Manual Honda Bf25

BF25D•BF30D
Owner’s Manual
31ZW2603
00X31-ZW2-6030 N 2eY1500.2005.03
Printed in Japan ©2005 Honda Motor Co., Ltd. -All Rights Reserved 2006
PANTONE 288 DIC F101 BLACK 31ZW2603 00X31-ZW2-6030
05/02/21 20:16:26 31ZW2600_001
The engine exhaust from this

product contains chemicals
known to the State of California to
cause cancer, birth defects, or
other reproductive harm.
Keep this owner’s manual handy, so you can refer to it at any time. This owner’s
manual is considered a permanent part of the outboard motor and should remain with
the outboard motor if resold.
The information and specifications included in this publication were in effect at the
time of approval for printing. Honda Motor Co., Ltd. reserves the right, however, to
discontinue or change specifications or design at any time without notice and without
incurring any obligation whatever. No part of this publication may be reproduced
without written permission.
05/02/21 20:16:33 31ZW2600_002
INTRODUCTION
Congratulations on your selection of We suggest you read the warranty
a Honda outboard motor. We are policy to fully understand its
certain you will be pleased with your coverage and your responsibilities of
purchase of one of the finest ownership.
outboard motors on the market.
When your outboard motor needs
We want to help you get the best scheduled maintenance, keep in mind
results from your new outboard that your Honda marine dealer is
motor and to operate it safely. This specially trained in servicing Honda
manual contains information on how outboard motors. Your Honda marine
to do that; please read it carefully. dealer is dedicated to your
satisfaction and will be pleased to
answer your questions and concerns.
As you read this manual you will
find information preceded by a Best Wishes,
Honda Motor Co., Ltd.
symbol. That information
is intended to help you avoid damage
to your outboard motor, other
property, or the environment.
1
05/02/21 20:16:46 31ZW2600_003
INTRODUCTION
A FEW WORDS ABOUT You will find important safety information in a variety of forms, including:
SAFETY
Safety Labels − on the outboard motor.
Your safety and the safety of others
are very important. And using this Safety Messages − preceded by a safety alert symbol and one of
outboard motor safely is an important three signal words, DANGER, WARNING, or CAUTION.
responsibility.
These signal words mean:
To help you make informed
decisions about safety, we have You WILL be KILLED or SERIOUSLY
provided operating procedures and HURT if you don’t follow instructions.
other information on labels and in
this manual. This information alerts You CAN be KILLED or SERIOUSLY
you to potential hazards that could HURT if you don’t follow instructions.
hurt you or others.
You CAN be HURT if you don’t follow
Of course, it is not practical or instructions.
possible to warn you about all the
hazards associated with operating or Safety Headings − such as IMPORTANT SAFETY INFORMATION.
maintaining an outboard motor. You
must use your own good judgment. Safety Section − such as OUTBOARD MOTOR SAFETY.
Instructions − how to use this outboard motor correctly and safely.
This entire book is filled with important safety information − please read it
carefully.
2
05/02/21 20:16:50 31ZW2600_004
CONTENTS
OUTBOARD MOTOR SAFETY .................................... 7 Gearshift/Throttle Control Lever

IMPORTANT SAFETY INFORMATION ................. 7 (side-mount type) ............................................... 22
SAFETY LABEL LOCATIONS ................................. 9 Common Controls .................................................. 23
Power Trim/Tilt Switch
CONTROLS AND FEATURES ................................... 10 (SRT and LRT types) (side-mount type) ........... 23
CONTROL AND FEATURE (LHT type) ......................................................... 23
IDENTIFICATION CODES ................................. 10 Power Tilt Switch (LHT, SRT and LRT types)..... 23
COMPONENT AND CONTROL LOCATIONS ..... 11 Manual Relief Valve
CONTROLS ............................................................... 16 (LHT, SRT and LRT types) ............................... 24
SH, LH, SHG and LHT Types (long tiller handle) Tilt Lock Lever
Recoil Starter Grip (SH and LH types) .................. 16 (SHG, LHT, SRG, LRG, SRT
Ignition Switch (SHG and LHT types) .................. 16 and LRT types) .............................................. 24
Emergency Stop Switch and Switch Clip .............. 17 Engine Cover Latches ............................................ 24
Throttle Grip........................................................... 17 Transom Angle Adjusting Rod .............................. 25
Throttle Friction Adjuster ...................................... 18 Trim Tab................................................................. 25
Gearshift Lever ...................................................... 18 INSTRUMENTS ........................................................ 26
Steering Friction Adjuster ...................................... 18 Trim Meter (optional equipment) .......................... 26
Tilt Lever Tachometer (optional equipment) .......................... 26
(manual tilt/SH and LH types) ........................... 19 Fuel Gauge ............................................................. 26
(gas assist tilt/SHG, SRG INDICATORS............................................................ 27
and LRG types) .............................................. 19 Oil Pressure Indicator ............................................. 27
SRG, LRG, SRT and LRT Types (remote control) Overheat Indicator.................................................. 28
Ignition Switch (side-mount type) ......................... 20 Cooling System Indicator ...................................... 28
Emergency Stop Switch and Switch Clip
(side-mount type) ............................................... 20
Fast Idle Lever (side-mount type) .......................... 21
3
05/02/21 20:16:55 31ZW2600_005
CONTENTS
OTHER FEATURES ................................................. 29 STARTING THE ENGINE ....................................... 43

Anodes.................................................................... 29 SH, LH, SHG and LHT Types
Overrev Limiter ...................................................... 30 (long tiller handle) .............................................. 43
Portable Fuel Tank ................................................. 30 SRG, LRG, SRT and LRT Types
Fuel Filler Cap Vent Knob ..................................... 30 (remote control).................................................. 46
Fuel Priming Bulb .................................................. 31 EMERGENCY STARTING ...................................... 48
STOPPING THE ENGINE ........................................ 51
INSTALLATION ........................................................... 32 Emergency Engine Stopping ................................. 51
POWER REQUIREMENTS...................................... 32 Normal Engine Stopping........................................ 51
BOAT TRANSOM REQUIREMENTS .................... 32 GEARSHIFTING AND
INSTALLATION POSITION ................................... 32 THROTTLE OPERATION ............................... 53
ATTACHMENT ........................................................ 33 SH, LH, SHG and LHT Types
TRANSOM ANGLE ADJUSTMENT ...................... 34 (long tiller handle) .............................................. 53
BATTERY CONNECTIONS .................................... 34 SRG, LRG, SRT and LRT Types
(remote control).................................................. 54
BEFORE OPERATION................................................. 37 STEERING ................................................................ 55
ARE YOU READY TO GET UNDER WAY？ ...... 37 SH, LH, SHG and LHT Types
IS YOUR OUTBOARD MOTOR (long tiller handle) .............................................. 55
READY TO GO？ ................................................. 37 Steering Friction Adjuster ...................................... 55
SRG, LRG, SRT and LRT Types
OPERATION ................................................................. 39 (remote control).................................................. 55
SAFE OPERATING PRECAUTIONS ..................... 39 CRUISING ................................................................. 56
BREAK-IN PROCEDURE........................................ 39 TRIM TAB ................................................................. 58
TRANSOM ANGLE ADJUSTMENT ...................... 40 SHALLOW WATER OPERATION ......................... 58
PORTABLE FUEL TANK ........................................ 42 MOORING, BEACHING, LAUNCHING ................ 61
FUEL HOSE CONNECTIONS ................................. 42
FUEL PRIMING ........................................................ 43
4
05/02/21 20:16:59 31ZW2600_006
CONTENTS
SERVICING YOUR OUTBOARD MOTOR ............... 64 STORAGE ..................................................................... 85

THE IMPORTANCE OF MAINTENANCE ............ 64 STORAGE PREPARATION .................................... 85
MAINTENANCE SAFETY ...................................... 65 Cleaning and Flushing ........................................... 85
SPARE EMERGENCY STOP SWITCH CLIP AND Fuel ......................................................................... 88
EMERGENCY STARTER ROPE................................. 66 Engine Oil .............................................................. 90
TOOL KIT.................................................................. 66 STORAGE PRECAUTIONS .................................... 90
MAINTENANCE SCHEDULE ................................ 67 REMOVAL FROM STORAGE ................................ 91
TRIM TAB ADJUSTMENT ..................................... 69
MANUAL RELIEF VALVE ..................................... 70 TRANSPORTING ......................................................... 92
ENGINE COVER REMOVAL AND WITH OUTBOARD MOTOR INSTALLED
INSTALLATION .............................................. 70 ON BOAT .............................................................. 92
Engine Oil Level Check ......................................... 71 WITH OUTBOARD MOTOR REMOVED
Engine Oil Change ................................................. 72 FROM BOAT ........................................................ 93
Engine Oil Recommendations ............................... 73
Lubrication Points .................................................. 74
Spark Plug Service ................................................. 75
REFUELING.............................................................. 77
FUEL RECOMMENDATIONS ................................ 78
Fuel Filter Inspection and Replacement ................ 79
Portable Fuel Tank and Filter Cleaning ................. 81
Anode Replacement ............................................... 82
Propeller Replacement ........................................... 84
5
05/02/21 20:17:02 31ZW2600_007
CONTENTS
TAKING CARE OF UNEXPECTED TECHNICAL AND CONSUMER

PROBLEMS........................................................... 95 INFORMATION.................................................. 105
ENGINE WILL NOT START ................................... 96 TECHNICAL INFORMATION .............................. 105
HARD STARTING OR STALLS AFTER Serial Number Locations ..................................... 105
STARTING ............................................................ 98 Carburetor Modification for High Altitude
ENGINE OVERHEATS ............................................ 99 Operation .......................................................... 106
BATTERY WILL NOT CHARGE AND Battery .................................................................. 106
ELECTRIC STARTER WILL NOT Oxygenated Fuels................................................. 107
OPERATE........................................................ 100 Emission Control System Information ................ 108
Fuse Replacement ................................................ 100 Star Label ............................................................. 110
OIL PRESSURE INDICATOR LIGHT GOES OFF Specifications ....................................................... 112
AND ENGINE SPEED IS LIMITED ................. 101 CONSUMER INFORMATION .............................. 116
OVERHEAT INDICATOR LIGHT COMES Honda Publications .............................................. 116
ON AND ENGINE SPEED IS LIMITED........... 102 Customer Service Information ............................. 116
SUBMERGED MOTOR ......................................... 103 Distributor’s Limited Warranty − 2006 ............. 119
Emission Control System Warranty .................... 123
INDEX.......................................................................... 127
WIRING DIAGRAMS......................... Inside Back Cover
6
05/02/21 20:17:14 31ZW2600_008
OUTBOARD MOTOR SAFETY

IMPORTANT SAFETY Operator Responsibility Attach the emergency stop switch
INFORMATION lanyard securely to the operator.
It is the operator’s responsibility to
Honda BF25D and BF30D outboard provide the necessary safeguards Always wear a PFD (Personal
motors are designed for use with to protect people and property. Flotation Device) while on the
boats that have a suitable Know how to stop the engine boat.
manufacturer’s power quickly in case of emergency.
recommendation. Other uses can Understand the use of all controls. Familiarize yourself with all laws
result in injury to the operator or and regulations relating to boating
damage to the outboard motor and Stop the engine immediately if and the use of outboard motors.
other property. anyone falls overboard, and do not
run the engine while the boat is Be sure that anyone who operates
Most accidents can be prevented if near anyone in the water. the outboard motor receives proper
you follow all instructions in this instruction.
manual and on the outboard motor. Always stop the engine if you
The most common hazards are must leave the controls for any Be sure the outboard motor is
discussed below, along with the best reason. properly mounted on the boat.
way to protect yourself and others.
Do not remove the engine cover
while the engine is running.
7
05/02/21 20:17:21 31ZW2600_009
Refuel With Care Carbon Monoxide Hazard

Gasoline is extremely flammable, Exhaust gas contains poisonous
and gasoline vapor can explode. carbon monoxide. Avoid inhalation
Refuel outdoors, in a well- of exhaust gas. Never run the engine
ventilated area, with the engine in a closed garage or confined area.
stopped. Never smoke near
gasoline, and keep other flames
and sparks away.
Remove any portable fuel tank

from the boat for refueling. Keep
the portable fuel tank away from
the battery or other potential spark
sources.
Refuel carefully to avoid spilling

fuel. Avoid overfilling the fuel
tank.
After refueling, tighten the filler

cap securely. If any fuel is spilled,
make sure the area is dry before
starting the engine.
8
05/02/21 20:17:39 31ZW2600_010
SAFETY LABEL LOCATIONS
(SHG, SRG and LRG types)

The labels shown here contain important safety information. Please read them carefully. These labels are considered
permanent parts of your outboard motor. If a label comes off or becomes hard to read, contact an authorized Honda
marine dealer for a replacement.
9
05/02/21 20:17:52 31ZW2600_011
CONTROLS AND FEATURES

CONTROL AND FEATURE IDENTIFICATION CODES
Model BF25D BF30D
Type SH LH SHG LHT SRG LRG SRT LRT LH SHG LHT LRG SRT LRT
Shaft Length S
L
Long Tiller Handle
Remote Control
Recoil Starter
Electric Starter
Manual Tilt
Gas Assist Tilt
Power Trim/Tilt
Tachometer (optional equipment)
Trim Meter (optional equipment)
Battery Charging DC Receptacle
Refer to this chart for an explanation of the Type Codes used in this manual to identify control and feature applications.
TYPE CODE (Example)

L R T
G=Gas assist Tilt

T=Power Trim/Tilt
H=Long Tiller Handle
R=Remote Control
S=Short Shaft
L=Long Shaft
10
05/02/21 20:17:59 31ZW2600_012
COMPONENT AND CONTROL LOCATIONS

SH, LH, SHG and LHT Types
(long tiller handle)
FUEL HOSE CONNECTOR OIL FILLER CAP
ENGINE COVER
LONG TILLER
HANDLE
POWER TILT OIL LEVEL
SWITCH DIPSTICK
(LHT type)
TILT LEVER
CLAMP (SH and LH types)
SCREW
COOLING SYSTEM
STERN INDICATOR
BRACKET
ANODE TILT LOCK LEVER

(SHG and (SHG and LHT types)
LHT types) ANTIVENTILATION
PLATE
TRANSOM ANGLE TILT LEVER
ADJUSTING ROD ENGINE OIL (SHG type)
TRIM TAB (anode) DRAIN PLUG
GEAR OIL LEVEL EXHAUST PORT

CHECK PLUG MANUAL RELIEF VALVE
(LHT type)
WASH PLUG GEAR OIL PROPELLER

(flush plug) DRAIN/FILL
PLUG WATER INTAKE
11
05/02/21 20:18:07 31ZW2600_013
GEARSHIFT LEVER
OIL PRESSURE SWITCH CLIP
THROTTLE FRICTION INDICATOR LIGHT
ADJUSTER (SHG and LHT types)
EMERGENCY STOP
OVERHEAT SWITCH
INDICATOR LIGHT
(SHG and LHT types)
OIL PRESSURE
INDICATOR LIGHT
(SH and LH types)
POWER TRIM/TILT SWITCH

(LHT type)
THROTTLE GRIP
RECOIL STARTER GRIP
(Recoil start type/SH and
LH types)
LANYARD
STEERING FRICTION
IGNITION SWITCH ADJUSTER
(Electric start type/
SHG and LHT types)
IGNITION SWITCH KEY
(Electric start type/SHG and
LHT types)
12
05/02/21 20:18:14 31ZW2600_014
SRG, LRG, SRT and LRT Types (remote control)

ENGINE COVER
POWER TILT SWITCH OIL FILLER CAP
FUEL HOSE (SRT and LRT types) TILT LOCK LEVER
CONNECTOR
OIL LEVEL
DIPSTICK
STEERING
PLATE
STERN
BRACKET
COOLING SYSTEM TILT LEVER
INDICATOR (SRG and LRG types)
ANODE ENGINE OIL
DRAIN PLUG
TRANSOM ANGLE
ADJUSTING ROD MANUAL RELIEF
TRIM TAB VALVE
(anode) (SRT and LRT types)
GEAR OIL LEVEL ANTIVENTILATION

CHECK PLUG PLATE
EXHAUST PORT
WASH PLUG PROPELLER

(flush plug) WATER INTAKE
GEAR OIL DRAIN/
FILL PLUG
13
05/02/21 20:18:20 31ZW2600_015
Remote Control box (side-mount type)

GEARSHIFT/THROTTLE
POWER TRIM/TILT SWITCH CONTROL LEVER
(SRT and LRT types)
NEUTRAL RELEASE LEVER
OIL PRESSURE INDICATOR LIGHT

SPARE SWITCH CLIP
OVERHEAT INDICATOR LIGHT
BUZZER (inside of the box) FAST IDLE LEVER
IGNITION SWITCH IGNITION SWITCH KEY
LANYARD
THROTTLE FRICTION ADJUSTER

EMERGENCY STOP SWITCH
SWITCH CLIP
14
05/02/21 20:18:28 31ZW2600_016
Fuel Tank Tachometer

[optional equipment (SHG, LHT,
FUEL GAUGE SRG, LRG, SRT and LRT Types)]
VENT KNOB
FUEL TANK
FUEL FILLER CAP
Trim Meter
[optional equipment (SRT and
LRT Types)]
FUEL HOSE
FUEL HOSE CONNECTOR

PRIMING BULB (female)
15
05/02/21 20:18:39 31ZW2600_017
CONTROLS Ignition Switch Turning the ignition switch key to the

(SHG and LHT types) START position operates the starter
SH, LH, SHG and LHT Types motor. The key automatically returns
(long tiller handle) ON to the ON position when released
START from the START position.
Recoil Starter Grip
(SH and LH types) OFF The ignition switch can be used to
start the engine only when the
gearshift lever is in the N (neutral)
position (p. 44 ), and the switch clip
is in the emergency stop switch.
IGNITION SWITCH Turning the ignition switch to the
OFF position stops the engine.
The ignition switch controls the
ignition system and starter motor.
STARTER GRIP
Pull the starter grip to operate the

recoil starter for starting the engine
manually.
The engine will not start unless the

position (p. 44 ), and the clip is in the
engine stop switch.
16
05/02/21 20:18:52 31ZW2600_018
Emergency Stop Switch and The switch clip must be inserted in Throttle Grip
Switch Clip the engine stop switch in order for
the engine to start and run. The THROTTLE GRIP
EMERGENCY STOP lanyard should be attached to the
SWITCH
operator’s PFD (Personal Flotation
Device) or worn around the wrist as
shown.
When used as described, the

emergency stop switch and lanyard
INCREASE
system stops the engine if the
operator falls away from the controls. THROTTLE
INDEX MARK
LANYARD SWITCH CLIP A spare switch clip is supplied with
the motor (p. 66 ).
SWITCH CLIP
The throttle grip controls engine

speed.
An index mark on the tiller arm

LANYARD shows throttle position and is helpful
for setting the throttle correctly when
starting (p. 44 ).
17
05/02/21 20:19:03 31ZW2600_019
Throttle Friction Adjuster Gearshif t Lever Steering Friction Adjuster

THROTTLE FRICTION N (neutral) R (reverse) (SH and LH types)
ADJUSTER
STEERING
FRICTION
F ADJUSTER
(forward) DECREASE BOLT
FIX
GEARSHIFT INCREASE
RELEASE LEVER
THROTTLE GRIP
The throttle friction adjuster adjusts The gearshift lever is used to select F (SHG and LHT types)
resistance to throttle grip rotation. (forward), N (neutral), or R (reverse)
gears. STEERING FRICTION ADJUSTER
Turn the adjuster clockwise to
increase friction for holding a throttle The engine can be started with the
setting while cruising. gearshift lever in the N (neutral)
position only.
Turn the adjuster counterclockwise to
decrease friction for easy throttle grip
rotation.
INCREASE DECREASE
18
05/02/21 20:19:15 31ZW2600_020
The steering friction adjuster adjusts Tilt Lever (gas assist tilt/SHG, SRG and
steering resistance. (manual tilt/SH and LH types) LRG types)
Less friction allows the outboard
TILT
motor to turn more easily. More
friction helps to hold steady course TILT
while cruising or to prevent the
outboard motor from swinging while RUN
trailering the boat. (LOCK)
RUN
(LOCK)
TILT LEVER
TILT LEVER
The tilt lever enables the outboard Moving the tilt lever to the TILT
motor to be raised for shallow water position allows the outboard motor to
operation, beaching, launching, or be tilted and moving the tilt lever to
mooring. the RUN (LOCK) position locks the
outboard motor in the desired
To tilt, move the lever to the TILT position. Use the tilt lever to
position, then raise the outboard temporarily tilt the outboard motor
motor until the tilt mechanism when the boat is operating in shallow
engages at 20° 37°, 67° (Transom water, or mooring in shallow water.
angle at 12°) (p. 60 and 61 ). The tilt lever must be in the RUN
(LOCK) position before operating
the outboard motor or the motor
could tilt up when operating in
reverse.
19
05/02/21 20:19:26 31ZW2600_021
SRG, LRG, SRT and LRT Turning the ignition switch key to the Emergency Stop Switch and
Types (remote control) START position operates the starter Switch Clip (side-mount type)
motor. The key automatically returns
For panel mount or top mount remote to the ON position when released EMERGENCY
control information, refer to the from the START position. STOP SWITCH
instructions provided with the remote
control equipment. The ignition switch can be used to
start the engine only when the
Ignition Switch position (p. 46 ), and the switch clip
(side-mount type) is in the emergency stop switch.
Turning the ignition switch to the

ON START OFF position stops the engine.
OFF LANYARD
SWITCH CLIP
IGNITION
SWITCH
EMERGENCY
STOP SWITCH
SWITCH CLIP
The ignition switch controls the LANYARD

ignition system and starter motor. SWITCH CLIP
20
05/02/21 20:19:36 31ZW2600_022
The switch clip must be inserted in Fast Idle Lever

the emergency stop switch in order (side-mount type)
for the engine to start and run. The
lanyard must be attached to the N (neutral)
operator’s PFD (Personal Flotation GEARSHIFT/THROTTLE
Device) or worn around the wrist as CONTROL LEVER FAST IDLE
shown.
When used as described, the

emergency stop switch and lanyard
START
system stops the engine if the
operator falls away from the controls.
A spare switch clip is stored in a slot FAST IDLE LEVER

in the control housing.
The fast idle lever is used to set idle Leave the fast idle lever in the
speed during warm-up. START position to provide a rich
fuel mixture for starting a cold
The lever will not move unless the engine.
gearshift/throttle control lever is in
the N (neutral) position. The fast idle Lift the fast idle lever to accelerate
lever must be in it’s lowest position the warm up of a cold engine after
for you to move the gearshift/throttle starting and to start a warm engine.
control lever out of neutral.
SPARE SWITCH CLIP
21
05/02/21 20:19:46 31ZW2600_023
Gearshif t/Throttle Control GEARSHIFT/THROTTLE

Lever (side-mount type) CONTROL LEVER
GEARSHIFT/THROTTLE N (neutral)
CONTROL LEVER
F (forward) R (reverse)
ENGINE
SPEED
ENGINE
SPEED
NEUTRAL HIGH
RELEASE
LEVER
The control lever automatically locks HIGH

itself in the N (neutral) position. To
move the lever out of the N (neutral)
position, you must squeeze the
neutral release lever on the underside
of the lever handle. The gearshift/throttle control lever A friction adjuster near the base of
controls engine speed and selects F the control lever adjusts the operating
(forward), N (neutral), or R (reverse) resistance of the control lever (p. 54 ).
gears.
Less friction allows easier control
Moving the control lever 30° from N lever movement. More friction helps
(neutral) selects the gear, and further to hold a steady throttle setting while
movement increases engine speed. cruising.
22
05/02/21 20:19:59 31ZW2600_024
Common Controls The power trim/tilt switch is located Power Tilt Switch
Power Trim/Tilt Switch on the control lever or the tiller (LHT, SRT and LRT types)
[SRT and LRT types (side-mount handle. It is a rocker switch with UP
type)] and DN (down) positions for
changing the angle of the outboard
CONTROL LEVER motor.
Press UP to trim
or tilt the motor
up. You can use the power tilt switch
anytime the ignition switch is ON,
whether the boat is underway or
Press DN to trim stopped.
or tilt the motor
down. POWER TILT SWITCH
Trim the outboard motor to obtain
the best performance and stability The power tilt switch is located on
POWER TILT SWITCH (p. 56 ). the engine pan. It is a rocker switch
(LHT type) with UP and DN (down) positions
Tilt the outboard motor for shallow for changing the angle of the
POWER TRIM/TILT SWITCH water operation, beaching, launching, outboard motor.
or mooring.
The power tilt switch will operate
without turning the ignition switch
Press UP to trim or
tilt the motor up. ON.
This switch is used with the engine

Press DN to trim or stopped to raise the outboard motor
tilt the motor down. for mooring, trailering or
maintenance.
23
05/02/21 20:20:10 31ZW2600_025
Manual Relief Valve Tilt Lock Lever Engine Cover Latches

(LHT, SRT and LRT types) (SHG, LHT, SRG, LRG, SRT
and LRT types) REAR
RIGHT STERN BRACKET

FREE
POWER ENGINE COVER
(To fix) LATCH
LOCK
UNLATCH
FIX
MANUAL TILT LOCK
(To release) LEVER
FRONT
The tilt lock lever is used to support

the outboard motor in the fully-raised
MANUAL RELIEF VALVE
position.
When the boat is to be moored for a

The outboard motor can be tilted long time, tilt the outboard motor as
manually after opening the manual far as it will go. Then move the tilt
relief valve. This allows the outboard lock lever to the LOCK position, and
motor to be tilted when no battery is gently lower the outboard motor until
connected. the lever contacts the stern bracket.
The engine cover latches fasten the
engine cover to the outboard motor.
24
05/02/21 20:20:22 31ZW2600_026
Transom Angle Adjusting Rod The transom angle adjusting rod Trim Tab
(SH and LH types) limits the tilt angle of the outboard TRIM TAB BOLT
motor when fully lowered.
Proper adjustment prevents the TRIM TAB

outboard motor from being trimmed
too low (p. 56 ).
PROPELLER
TRANSOM ANGLE
ADJUSTING ROD
The trim tab compensates for
(SHG, LHT, SRG, SRT and ‘‘torque steer’’, which is a reaction of
LRT types) the outboard motor to propeller
rotation.
If uncompensated, torque steer would

make the outboard motor tend to turn
to one side.
When the trim tab is correctly

adjusted (p. 69 ), steering effort is
equal in either direction.
TRANSOM ANGLE
ADJUSTING ROD
25
05/02/21 20:20:34 31ZW2600_027
INSTRUMENTS Tachometer Fuel Gauge

[optional equipment (SHG,
Trim Meter LHT, SRG, LRG, SRT and
[optional equipment (SRT and LRT Types)]
LRT Types)]
FUEL GAUGE
A fuel gauge is built into the cap of

TACHOMETER the portable fuel tank.
TRIM METER
The tachometer shows engine speed
The trim meter indicates the relative in revolutions per minute.
trim angle of the outboard motor.
Refer to the tachometer when using
Refer to the trim meter when using the throttle and power trim/tilt
the power trim/tilt switch to achieve controls to achieve the best
proper boat performance. performance from the boat.
26
05/02/21 20:20:46 31ZW2600_028
INDICATORS SRG, LRG, SRT and LRT Types When the green light is lit, oil
(side-mount type) pressure is OK.
Oil Pressure Indicator
If oil pressure becomes low, the
SH and LH Types green light will go off, and the
engine protection system will limit
(GREEN)
engine speed. Refer to TAKING
CARE OF UNEXPECTED
(GREEN) PROBLEMS, on p. 101 .
Remote controls are also equipped

with a buzzer that sounds
continuously when the green light
goes off.
BUZZER The buzzer sound stops below an
SHG and LHT Types engine speed of 1,400 rpm.
Low oil pressure indicates that the

engine oil level is low, or that there is
a problem with the engine lubrication
(GREEN)
system.
27
05/02/21 20:20:58 31ZW2600_029
Overheat Indicator If the engine overheats, the red light Cooling System Indicator
will come on, and the engine
SHG and LHT Types protection system will limit engine
speed.
When normal engine temperature is
restored, the engine speed will
(RED) gradually rise to normal engine speed.
If the condition persists for another

20 seconds, the engine will shut off. COOLING SYSTEM INDICATOR
Refer to TAKING CARE OF
UNEXPECTED PROBLEMS, on Water should flow from the cooling
p. 102. system indicator while the engine is
running. This shows that water is
Remote controls are also equipped circulating through the cooling
SRT and LRT Types with a buzzer that sounds when the system.
(side-mount type) red light comes on.
If water stops flowing while the
Engine overheating may be the result engine is running, that indicates a
of clogged water intakes. cooling system problem, such as
(RED) clogged water intakes, which will
cause engine overheating. Refer to
TAKING CARE OF UNEXPECTED
PROBLEMS, on p. 102 .
BUZZER
28
05/02/21 20:21:06 31ZW2600_030
The cooling system indicator OTHER FEATURES The anodes are made of a sacrificial
discharge port can also become material that helps to protect the
plugged. Anodes outboard motor from corrosion.
There are two anodes on the gear

case, one on the stern bracket, and
another is the trim tab.
ANODE
(trim tab)
LEFT STERN
BRACKET
ANODE
(SHG, LHT, SRG, LRG, SRT and
LRT types)
29
05/02/21 20:21:17 31ZW2600_031
Overrev Limiter Portable Fuel Tank Fuel Filler Cap Vent Knob
The engine is equipped with an
overrev limiter to prevent the VENT KNOB
possibility of mechanical damage
from excessive engine speed. CLOSE
OPEN
The overrev limiter may be activated
during operation, limiting engine
speed, if the outboard motor is tilted
excessively, or when propeller
ventilation occurs during a sharp turn.
FUEL FILLER CAP
If the overrev limiter is activated,
check the trim angle of the outboard The portable fuel tank has a capacity The cap is provided with a vent knob
motor. of 6.6 US gal ( 25 ) and has a fuel to seal the portable fuel tank for
gauge built into the cap. carrying it to and from the boat.
Open the vent knob 2 or 3 turns
before starting the engine.
30
05/02/21 20:21:22 31ZW2600_032
Fuel Priming Bulb

UP
OUTLET END
(MOTOR)
PRIMING BULB
INLET END
(TANK)
A priming bulb is built into the fuel
hose that connects the fuel tank to the
outboard motor.
Before starting the engine, hold the

priming bulb up in the direction of
the arrow, then squeeze the priming
bulb until it feels firm. This will
ensure that fuel is supplied to the
engine.
31
05/02/21 20:21:36 31ZW2600_033
INSTALLATION
Correct and secure installation is BOAT TRANSOM The antiventilation plate of the
essential for safe boating and good REQUIREMENTS outboard motor should be 0 − 2.0 in
performance. Follow the installation (0 − 50 mm) below the bottom of
instructions provided in this manual. Honda BF25D and BF30D outboard the boat.
motors can be installed on a boat The correct dimensions differ
POWER REQUIREMENTS transom having a thickness range of according to the type of the boat and
1.3 − 2.2 inches (35 − 57 mm). the configuration of the bottom of
Before installation, check to be sure the boats. Follow the manufacture’s
that the outboard motor does not INSTALLATION POSITION recommended installation height.
exceed the recommended maximum
horsepower for the boat on which it
is to be installed. Refer to the boat’s IDLE
certification plate for recommended PORT
maximum horsepower. If the
certification plate information is not TRANSOM
available, contact the boat dealer or HEIGHT 0 − 2.0 in
(0 − 50 mm)
manufacturer.
For most applications, the outboard CENTER LINE

motor should have a horsepower
rating which provides 80% of the Install the outboard motor on the Type Transom Height
maximum recommended horsepower center of the boat transom. S 17.0 in (431 mm)
for the boat. L 21.7 in (552 mm)
32
05/02/21 20:21:48 31ZW2600_034
INSTALLATION
When the outboard motor is installed ATTACHMENT SH and LH types

extremely low, the idle port may be (tiller handle type) WASHER LOCK NUT
immersed and the engine may CARRYING
become hard to start or may run HANDLE BOLT
poorly. Check that the idle port is (Storage position)
high enough from the water level
when the engine is stopped with the
boat fully loaded.
If the outboard motor is installed too

high, that will cause propeller WASHER
ventilation.
MOUNTING HOLE TRANSOM
Optimum installation height varies BOARD
with boat type and bottom shape.
Contact the boat manufacturer for ROPE You may further secure the outboard
any special recommendations that are CLAMP SCREW motor by bolting the stern bracket to
unique to a specific model of boat. Attach the stern bracket to the boat the boat transom. Use the optional
transom by tightening the clamp mounting bolt and nut kit or other
If the transom needs to be modified screws. Push the carrying handle into good quality stainless steel bolts, nuts,
to accommodate the outboard motor, the storage position. (tiller handle and washers. Apply silicone sealant
contact the boat manufacturer and type) to the bolt holes.
follow their recommendations for
corrective action. Attach a rope from the boat to the
hole in the stern bracket. This will
help to prevent accidental loss of the
outboard motor.
33
05/02/21 20:21:58 31ZW2600_035
INSTALLATION
SHG, LHT, SRG, LRG, SRT and TRANSOM ANGLE Honda BF25D and BF30D outboard
LRT types ADJUSTMENT motors produce a 12-volt, 4 or 10-
ampere battery-charging current and
LOCK NUT WASHER Use the transom angle adjusting rod are equipped for connection to a 12-
(p. 40 ) to adjust the angle of the volt battery. The battery-charging
outboard motor so the propeller is circuit is protected by a 15-ampere
perpendicular to the surface of the fuse located in the engine
WASHER BOLT
water. compartment.
The outboard motor’s 12-volt output

LOCK BATTERY CONNECTIONS is designed to charge a ‘‘starting or
NUT cranking’’ battery only. It is not
( ＋ ) TERMINAL intended to charge a ‘‘deep-cycle’’
( − ) TERMINAL type battery. Lights and electrical
TRANSOM WASHER accessories for the boat should be
BOARD MOUNTING HOLE
connected to the battery.
You may further secure the outboard
motor by bolting the stern bracket to The battery should be kept in a
RED
the boat transom. Use the mounting corrosion-resistant battery box that is
bolt and nut kit or other good quality securely mounted in a location away
stainless steel bolts, nuts, and from the fuel tank and protected
washers. Apply silicone sealant to the from water and direct sunlight.
bolt holes. BLACK
34
05/02/21 20:22:13 31ZW2600_036
INSTALLATION
Types With Electric Starter Plug and Receptacle

(types with recoil starter)
These types are equipped with
battery cables. The positive (+) cable DC RECEPTACLE
has a red band at the battery
connector. The negative (-) cable has − To boat lights and accessories
a black band at the battery connector.
For electric starter operation, use a

12-volt battery with an ampere-hour
rating of at least 65 Ah (CCA 420).
Types With Recoil Starter

BATTERY
These types are equipped with a 12- To prepare the outboard motor for Battery
volt DC battery-charging receptacle connection to a battery, pull the cover
which can be wired to a 12-volt off the DC receptacle, connect the For complete information, refer to
battery to power lights and electrical battery charging wires to the plug. the battery manufacturer’s
accessories for the boat. Attach the plug to the receptacle on instructions.
the motor.
Minimum Requirements
The receptacle is provided with a
cover, which should be attached 12V-65Ah (CCA 420)
when the plug is removed, in order to
keep the receptacle clean and dry.
35
05/02/21 20:22:19 31ZW2600_037
INSTALLATION
Battery Terminals
( ＋ ) TERMINAL
( − ) TERMINAL Be caref ul to avoid connecting the
battery in reverse polarity, as that
will damage the battery-charging
system in the outboard motor.
RED
BLACK
Connect the positive (+) battery cable
to the positive (+) battery terminal,
then connect the negative (-) battery
cable to the negative (-) battery
terminal.
The negative (-) battery cable should

always be removed from the battery
before connecting or disconnecting
the positive (+) battery cable, so tools
cannot cause a short circuit if they
touch a grounded part while being
used on the positive (+) battery
terminal fitting.
36
05/02/21 20:22:31 31ZW2600_038
BEFORE OPERATION
ARE YOU READY TO GET Safety
UNDER WAY?
Always wear a PFD (Personal Improperly maintaining
Your safety is your responsibility. A Flotation Device) while on the boat. this outboard motor, or
little time spent in preparation will failing to correct a problem
significantly reduce your risk of Attach the emergency stop switch before operation, can cause
injury. lanyard securely to your PFD or to a malfunction in which you
your wrist. could be seriously hurt or
Knowledge killed.
IS YOUR OUTBOARD
Read and understand this manual. MOTOR READY TO GO? Always perform a
Know what the controls do and how preoperation inspection
to operate them. For your safety, and to maximize the before each operation, and
service life of your equipment, it is correct any problem.
Familiarize yourself with the very important to take a few
outboard motor and its operation moments before you operate the
before you get under way. Know outboard motor to check its condition. Before beginning your preoperation
what to do in case of emergencies. Be sure to take care of any problem checks, be sure the ignition switch is
you find, or have your authorized in the OFF position.
Familiarize yourself with all laws Honda marine dealer correct it,
and regulations relating to boating before you operate the outboard
and the use of outboard motors. motor.
37
05/02/21 20:22:47 31ZW2600_039
BEFORE OPERATION
Safety Inspection Check that all fasteners are in Maintenance Inspection

place and securely tightened.
Look around the outboard motor Check the engine oil level (p. 71 ).
for signs of oil or gasoline leaks. Running the engine with a low oil
level can cause engine damage.
If you are using the portable fuel
tank, make sure it is in good Check to be sure the propeller is
condition and properly secured in undamaged, and the castle nut is
the boat (p. 42 ). secured with the cotter pin (p. 84 ).
Check that the fuel hose is Check that the anodes are securely
undamaged and properly attached to the gear case (p. 82 )
connected (p. 42 ). and are not excessively worn. The
anodes help to protect the outboard
Wipe up any spills before starting motor from corrosion.
the engine.
Make sure the tool kit and
Check the stern bracket to be sure emergency starter rope are
the outboard motor is securely onboard (p. 66 ). Replace any
installed. missing items.
Check that all controls are Check the fuel level in the fuel
operating properly. tank (p. 77 ).
Replace any damaged parts. Check that the battery fluid is

between the upper and lower levels,
and the battery leads are connected
securely (electric starter type).
38
05/02/21 20:23:00 31ZW2600_040
OPERATION
SAFE OPERATING BREAK-IN PROCEDURE Next 60 minutes:
PRECAUTIONS Run the engine up to a maximum of
Break-in period: 10 hours 4,000 to 5,000 rpm, which is about
To safely realize the full potential of 50% to 80% of maximum throttle
this outboard motor, you need a Proper break-in operation allows the opening.
complete understanding of its moving parts to wear in smoothly for
operation and a certain amount of best performance and long service Short full-throttle bursts are OK, but
practice with its controls. life. do not operate the engine
continuously at full throttle.
Before operating the outboard motor First 15 minutes:
for the first time, please review the Run the engine at trolling speed. Use For boats that plane easily, bring the
IMPORTANT SAFETY the minimum throttle opening boat up on plane, and then reduce the
INFORMATION on page 7 and the necessary to operate the boat at a safe throttle opening to the recommended
chapter titled BEFORE OPERATION. trolling speed. rpm range.
For your safety, avoid starting or Next 45 minutes: Next 8 hours:

operating the engine in an enclosed Run the engine up to a maximum of Do not run the engine at full throttle
area. Your engine’s exhaust contains 2,000 to 3,000 rpm, which is about for more than 5 minutes at a time.
poisonous carbon monoxide gas 10% to 30% of maximum throttle
which can collect rapidly in an opening.
enclosed area and cause illness or
death.
39
05/02/21 20:23:12 31ZW2600_041
OPERATION
TRANSOM ANGLE The transom angle adjusting rod

ADJUSTMENT limits the tilt angle of the outboard
motor when fully lowered. Do not allow water to enter the idle
exhaust port or the engine can be
Proper adjustment prevents the damaged.
outboard motor from being trimmed
too low (p. 56 ).
TURN UP To adjust, first tilt the outboard
motor so it is not resting on the rod.
PUSH Push the rod in and turn the end of

TRANSOM ANGLE the rod up, so the latch will fall into
ADJUSTING ROD line with the rod.
TRANSOM ANGLE
Remove the rod and reinsert it in the
ADJUSTING ROD desired position.
UNLOCKED TO CHANGE
POSITION Push the rod in and turn the end of
the rod down, so the latch will fall to IDLE EXHAUST PORT
the locked position. Then release the
rod.
LOCKED POSITION TO LOCK
40
05/02/21 20:23:20 31ZW2600_042
OPERATION
Motor Angle Inspection

(Cruising)
INCORRECT INCORRECT
CAUSES BOAT TO ‘‘SQUAT’’ CAUSES BOAT TO ‘‘BOW STEER’’
O. K
CORRECT
GIVES MAXIMUM PERFORMANCE
Install the outboard motor at the best The trim angle differs according to
trim angle for stable cruising and the combination of the boat, outboard
maximum power. motor, and propeller, and the
Trim angle too large: Incorrect operating condition.
causes boat to ‘‘squat’’.
Trim angle too small: Incorrect
causes boat to ‘‘bow steer’’.
41
05/02/21 20:23:35 31ZW2600_043
OPERATION
PORTABLE FUEL TANK Secure the portable fuel tank in the FUEL HOSE CONNECTIONS
boat, so it won’t move around and
become damaged. FUEL HOSE CONNECTOR
Before use, open the fuel tank vent

by turning the vent knob at least 2 or
3 turns counterclockwise.
FUEL Gasoline is highly

HOSE flammable and explosive. (FUEL TANK SIDE)
Place the portable fuel tank in a well- You can be burned or FUEL HOSE CONNECTOR
ventilated location, away from direct seriously injured when
sunlight, to reduce the possibility of a handling fuel.
gasoline vapor explosion. Stop the engine and keep
heat, sparks, and flame
To ensure that the outboard motor away.
will be able to draw fuel from the Handle fuel only
tank, place the tank within 6 feet of outdoors.
the outboard motor and not more Wipe up spills
than 3 feet below the fuel connector immediately. (OUTBOARD MOTOR SIDE)
on the outboard motor.
Connect the fuel hose to the tank and
the outboard motor, as shown. Be
sure both connectors snap securely
into place.
42
05/02/21 20:23:46 31ZW2600_044
OPERATION
FUEL PRIMING STARTING THE ENGINE The engine will not start or run,
unless the clip is in the switch.
SH, LH, SHG and LHT Types
UP
(long tiller handle) The emergency stop switch clip
OUTLET END
(MOTOR) and lanyard system is a safety
device that will stop the engine if
you fall away from the controls
while operating the boat.
PRIMING BULB
Always attach the lanyard to your
PFD, or to your wrist, before
starting the engine.
INLET END
(TANK)
Hold the priming bulb with the outlet

end higher than the inlet end.
Squeeze the priming bulb several
times, until it feels firm, indicating LANYARD SWITCH CLIP
that fuel has reached the carburetor.
Check to be sure there are no fuel 1. Put the emergency stop switch clip
leaks before starting the engine. in the emergency stop switch, and
attach the lanyard to your PFD
Do not squeeze the priming bulb (Personal Flotation Device) or to
when the engine is running because your wrist, as shown.
that could flood the carburetor.
43
05/02/21 20:23:56 31ZW2600_045
OPERATION
N (neutral) RECOIL STARTER GRIP

START
POSITION
POINTER
THROTTLE GRIP
GEARSHIFT LEVER
2. Check the position of the gearshift 3. Align the engine start symbol
lever. It must be in the N (neutral) ‘‘ ’’ on the tiller handle with the ON
position for starting. pointer ‘‘ ’’ on the throttle grip. START
The engine will not start if the

gearshift lever is in the F (forward) OFF
or R (reverse) position.
IGNITION SWITCH KEY
44
05/02/21 20:24:08 31ZW2600_046
OPERATION
4. Recoil start type: During the warm-up period, check

Pull the recoil starter grip slowly the oil pressure indicator (p. 27 ),
until you feel resistance, then pull Using the electric starter f or more overheat indicator (p. 28 ) and
briskly. than 5 seconds at a time will cooling system indicator (p. 28 ).
overheat the starter motor and can
Return the starter grip gently. damage it. If the indicators show any
abnormal condition, immediately
Electric start type: Turning the ignition switch key to stop the engine and determine the
Turn the ignition switch key to the the START position while the cause of the problem. Refer to
START position and hold it there engine is running can damage the TAKING CARE OF
until the engine starts. starter motor and f lywheel. UNEXPECTED PROBLEMS
from p. 101.
When the engine starts, release the Also, as the engine warms up, the
key, allowing it to return to the ON throttle grip can be turned to the
position. SLOW position without stalling.
If the engine fails to start within 5 5. Before getting under way, allow
seconds, release the key and wait the engine to warm up sufficiently
at least 10 seconds before to ensure good performance.
operating the starter again.
Above 41°F (5°C), warm up the
engine for 2 or 3 minutes.
Below 41°F (5°C), warm up the

engine for at least 10 minutes at
2,000 rpm.
45
05/02/21 20:24:20 31ZW2600_047
OPERATION
SRG, LRG, SRT and LRT Types The engine will not start or run,
(remote control) unless the clip is in the switch. N (neutral)
For panel mount or top mount remote The emergency stop switch clip
control information, refer to the and lanyard system is a safety
instructions provided with the remote device that will stop the engine if
control equipment. you fall away from the controls
while operating the boat. CONTROL
LEVER
Side-Mount Type
Always attach the lanyard to your
EMERGENCY STOP PFD, or to your wrist, before
SWITCH starting the engine.
2. Set the control lever in the N

(neutral) position.
The engine will not start if the F

(forward) or R (reverse) gears are
engaged.
SWITCH CLIP LANYARD
1. Put the emergency stop switch clip

in the emergency stop switch, and
attach the lanyard to your PFD
(Personal Flotation Device) or to
your wrist, as shown.
46
05/02/21 20:24:32 31ZW2600_048
OPERATION
ON
FAST IDLE OFF START
Using the electric starter f or more
than 5 seconds at a time will
overheat the starter motor and can
START damage it.
Turning the ignition switch key to

the START position while the
engine is running can damage the
starter motor and f lywheel.
IGNITION SWITCH KEY
FAST IDLE LEVER
3. To start a cold engine, leave the 4. Turn the ignition switch key to the
fast idle lever in the START (fully START position and hold it there
lowered) position. until the engine starts.
To restart a warm engine, raise the When the engine starts, release the
fast idle lever. key, allowing it to return to the ON
position.
Fast idle lever cannot be raised
unless the control lever is in the N If the engine fails to start within 5
(neutral) position. seconds, release the key and wait
at least 10 seconds before
The control lever cannot be moved operating the starter again.
away from the N (neutral) position
unless the fast idle lever is lowered.
47
05/02/21 20:24:44 31ZW2600_049
OPERATION
FAST IDLE LEVER

6. Before getting under way, allow EMERGENCY STARTING
the engine to warm up sufficiently
to ensure good performance. If the battery is discharged, or the
starter motor is inoperative, you can
Above 41°F (5°C), warm up the start the engine manually using the
engine for 2 or 3 minutes. emergency starter rope supplied with
the motor.
Below 41°F (5°C), warm up the
engine for at least 10 minutes at (REAR)
2,000 rpm.
During the warm-up period, check

the oil pressure indicator (p. 27 ),
5. If the fast idle lever was used to overheat indicator (p. 28 ), and ENGINE COVER
start the engine, gradually lower cooling system indicator (p. 28 ). LATCH
the lever as the engine warms up.
If the indicators show any
When the fast idle lever is fully abnormal condition, immediately UNLATCH
lowered, the control lever can be stop the engine and determine the
moved away from the N (neutral) cause of the problem. Refer to
position. TAKING CARE OF
UNEXPECTED PROBLEMS 1. Unlatch and remove the engine
from p. 101. cover.
48
05/02/21 20:24:54 31ZW2600_050
OPERATION
6 × 22 mm RECOIL STARTER 6 × 22 mm BOLTS KNOT

BOLT ASSEMBLY
FLYWHEEL
NEUTRAL
START
CABLE
EMERGENCY
STARTER
ROPE
FLYWHEEL
COVER
(Recoil start type) (Electric start type)
2. Recoil start type: Electric start type: 4. Set the knotted end of the
Loosen the neutral start cable lock Remove the flywheel cover by emergency starter rope in the notch
nut and disconnect the neutral start unscrewing the four cover bolts. in the flywheel. Wind the rope
cable. clockwise around the flywheel, as
Remove the recoil starter assembly 3. Set the controls the same as for shown.
by unscrewing the four starter normal starting (see pages 43 −
assembly bolts. 47 ). Use the fast idle control if
needed.
Electric start type:

Turn the ignition switch key to the
ON position.
49
05/02/21 20:25:07 31ZW2600_051
OPERATION
6. If the fast idle control(s) was used 8. If it was necessary to remove the
to start the engine, return the emergency stop switch lanyard
EMERGENCY control(s) to the normal operating from your wrist to perform the
STARTER ROPE position as the engine warms up. emergency starting procedure, be
sure the lanyard is attached to your
During the warm-up period, check wrist before operating the
the oil pressure indicator (p. 27 ), outboard motor.
overheat indicator (p. 28 ), and
cooling system indicator (p. 28 ). 9. Have your closest authorized
Honda marine dealer check your
7. Leave the recoil starter assembly electrical system and correct the
off, but install the engine cover problem, so you can use the
(p. 70 ), and lock it in place by electric starter.
latching the engine cover latch.
5. Pull the emergency starter rope
slowly until resistance is felt, then
pull briskly.
Exposed moving parts can
Keep away from moving parts cause injury.
while pulling the rope.
Do not operate the
If necessary, rewind the rope and outboard motor without
pull again. If the engine does not the engine cover.
start after several attempts, refer to Use extreme care when
TAKING CARE OF installing the engine
UNEXPECTED PROBLEMS cover.
from p. 95 .
50
05/02/21 20:25:21 31ZW2600_052
OPERATION
STOPPING THE ENGINE To stop the engine in an emergency, N (neutral)

pull the clip out of the emergency
Emergency Engine Stopping stop switch by pulling the lanyard.
SH, LH, SHG and LHT Types We suggest that you stop the engine
(long tiller handle) this way occasionally to verify that
EMERGENCY
STOP SWITCH the emergency stop switch is
operating properly.
PULL
Turn the ignition switch key to the GEARSHIFT LEVER
OFF position (electric start type)
after verifying the emergency stop SRG, LRG, SRT and LRT Types
switch operation. [remote control (side-mount
type)]
LANYARD SWITCH CLIP N (neutral)
Normal Engine Stopping
SRG, LRG, SRT and LRT Types
(remote control) SH, LH, SHG and LHT Types
EMERGENCY CONTROL
STOP SWITCH LEVER
LANYARD
SLOW
PULL
1. Move the throttle grip to the
slowest speed and gearshift lever
or control lever to N (neutral)
SWITCH CLIP THROTTLE GRIP position.
51
05/02/21 20:25:30 31ZW2600_053
OPERATION
SH and LH Types SRG, LRG, SRT and LRT Types

(long tiller handle) (remote control)
PRESS
OFF
IGNITION
SWITCH KEY
2. Turn the ignition switch key to the

SHG and LHT Types OFF position to stop the engine or
(long tiller handle) press the emergency stop switch
until the engine stops.
3. When the boat is not in use,

OFF remove and store the ignition key
and the emergency stop switch clip
and lanyard.
IGNITION SWITCH KEY
52
05/02/21 20:25:42 31ZW2600_054
OPERATION
GEARSHIFTING AND To shift gears, turn the throttle grip to

THROTTLE OPERATION the SLOW position, then move the THROTTLE FRICTION ADJUSTER
gearshift lever to select F (forward),
SH, LH, SHG and LHT Types N (neutral) or R (reverse) gears. THROTTLE
GRIP
The engine can be started with the FIX
POINTER gearshift lever in the N (neutral)
THROTTLE position only.
GRIP
The throttle grip can be turned to the
SLOW FAST position only when the
gearshift lever is in the F (forward) RELEASE
position.
FAST
Use the throttle friction adjuster to
help hold a constant throttle setting
GEARSHIFT while cruising.
LEVER N R
(neutral) (reverse) Turn the adjuster clockwise to
increase throttle grip friction for
holding a constant speed.
Turn the adjuster counterclockwise to

F decrease friction for easy grip
(forward) rotation.
53
05/02/21 20:25:51 31ZW2600_055
OPERATION
SRG, LRG, SRT and LRT Types To shift gears, move the control lever
(remote control) to select F (forward), N (neutral) and
R (reverse) gears.
Side-Mount Type TO INCREASE
The control lever cannot be moved FRICTION
CONTROL from the N (neutral) position unless
LEVER the neutral release lever is squeezed.
Moving the control lever beyond the

gear selection range increases engine THROTTLE
FRICTION TO DECREASE
speed. ADJUSTER FRICTION
NEUTRAL
RELEASE LEVER Adjust the throttle friction adjuster so
the control lever will hold a constant
throttle setting while cruising.
54
05/02/21 20:26:06 31ZW2600_056
OPERATION
STEERING Steering Friction Adjuster Use the steering friction adjuster to

help hold a steady course while
SH, LH, SHG and LHT Types SH and LH Types cruising.
(long tiller handle) STEERING
FRICTION Move the adjuster to the LOCK
TO DECREASE ADJUSTER direction to increase steering friction
FRICTION BOLT
(FREE) for holding a steady course.
Move the adjuster to the FREE

direction to decrease friction for easy
TO INCREASE turning.
FRICTION
(LOCK)
Steer by moving the tiller handle
opposite the direction you want the Do not apply grease or oil on the
boat to turn. f riction plate. Grease or oil will
SHG and LHT Types reduce the f riction of the adjuster.
STEERING FRICTION ADJUSTER SRG, LRG, SRT and LRT Types
FRICTION (remote control)
PLATE
Steer the boat in the same manner as
an automobile.
TO INCREASE TO DECREASE
FRICTION FRICTION
(LOCK) (FREE)
55
05/02/21 20:26:22 31ZW2600_057
OPERATION
CRUISING If engine speed becomes unstable at will perform best when the
high speed due to activation of the antiventilation plate is level with the
Engine Speed overrev limiter, reduce speed and water surface.
check the trim angle of the outboard
For best fuel economy, limit the motor. When cruising into a high wind, trim
throttle opening to 80%. Use the the outboard motor down slightly to
throttle friction control (p. 53 and Trim level the boat and improve stability.
54 ) to help you hold a steady speed. With a tail wind, trim the outboard
SH, LH, SHG, SRG and LRG motor up slightly.
For rough water conditions or large Types
waves, slow down to prevent the LHT, SRT and LRT Types
propeller from rising out of the water. Install the outboard motor at the best
trim angle for stable cruising and Use the power trim/tilt switch to trim
The engine is equipped with an maximum power. the outboard motor for the best
overrev limiter to prevent the performance and stability.
possibility of mechanical damage Trim angle too large: Incorrect
from excessive engine speed. causes boat to ‘‘squat’’. You can use the power trim/tilt
switch at any time, whether the boat
If, for example, the outboard motor Trim angle too small: Incorrect is under way or stopped.
is tilted excessively, or propeller causes boat to ‘‘bow steer’’.
ventilation occurs during a sharp turn, Press the UP or DN (down) side of
the engine may overrev, activating It is necessary to trim the angle of the the switch to adjust the angle of the
the overrev limiter. outboard motor to compensate for outboard motor.
changes in boat load, weight
distribution, water conditions, or Refer to the trim meter (p. 26 ) for an
propeller selection. indication of whether the motor is
trimmed high or low.
Under normal conditions, the boat
56
05/02/21 20:26:33 31ZW2600_058
OPERATION
It is necessary to trim the angle of the LHT Type MOTOR ANGLE MOTOR ANGLE
outboard motor to compensate for (long tiller handle) ADJUSTED TOO ADJUSTED TOO
LOW HIGH
changes in boat load, weight
distribution, water conditions, or
propeller selection.
Press UP to trim or MOTOR ANGLE
Under normal conditions, the boat tilt the motor up. ROUGH ADJUSTED
will perform best when the WAVES CORRECTLY
antiventilation plate is level with the
water surface.
Press DN to trim or
When cruising into a high wind, tilt the motor down.
adjust the outboard motor down CORRECT
slightly to level the boat and improve GIVES MAXIMUM PERFORMANCE
stability. With a tail wind, adjust the SRT and LRT Types
outboard motor up slightly.
Excessive trim/tilt angle during Press UP to trim or

operation can cause propeller tilt the motor up.
ventilation, overheating, and water
pump damage. This type of damage
is not covered by the Distributor’s Press DN to trim or
Limited Warranty (p. 119 ). tilt the motor down.
CONTROL LEVER
57
05/02/21 20:26:48 31ZW2600_059
OPERATION
BOW TOO LOW DUE TO TRIM TAB SHALLOW WATER

1. LOAD IN THE FRONT OPERATION
2. MOTOR ANGLE ADJUSTED TOO If steering effort is not equal in both
LOW directions, adjust the trim tab to LHT, SRT and LRT Types
compensate for ‘‘torque steer’’,
which is the reaction of the outboard When operating in shallow water, use
motor to propeller rotation. the power trim/tilt switch (p. 57 ) to
tilt the outboard motor, so the
TRIM TAB BOLT propeller and gear case won’t hit the
bottom.
BOW TOO HIGH DUE TO
1. LOAD IN THE REAR TRIM TAB Proceed at low speed, and monitor
2. MOTOR ANGLE ADJUSTED TOO water flow from the cooling system
HIGH PROPELLER indicator (p. 28 ) to be sure the
outboard motor is not tilted so high
that the water intakes are out of the
water.
An excessive trim/tilt angle during

Adjust the trim tab with the engine operation can cause propeller
stopped. Loosen the bolt above the ventilation, overheating, and water
trim tab, turn the trim tab, then pump damage. This type of damage
tighten the bolt securely. is not covered by the Distributor’s
Limited Warranty (p. 119 ).
adjusted, steering effort will be equal
in both directions.
58
05/02/21 20:26:58 31ZW2600_060
OPERATION
SHG, SRG and LRG Types ENGINE COVER GRIP While the outboard motor is tilted,
proceed at a low speed, and do not
When operating in shallow water, tilt operate the outboard motor in reverse.
the outboard motor, using the tilt The outboard motor will rise
lever, so the propeller and gear case suddenly if operated in reverse.
won’t hit the bottom.
Monitor water flow from the cooling
system indicator (p. 28 ) to be sure
the outboard motor is not tilted so
TILT high the water intake is out of the
water.
RUN
(LOCK)
64° An excessive tilt angle during
TILT LEVER
operation can cause propeller
To tilt the outboard motor, move the ventilation, overheating, and water
tilt lever to the TILT position, then pump damage. This type of damage
raise the outboard motor to the is not covered by the Distributor’s
TILT ANGLE
desired position by pulling on the Limited Warranty (p. 119 ).
−4° 12° engine cover grip.
To return the outboard motor to the
TRIM ANGLE normal operating position, move the
Do not use the tiller handle as a tilt lever to the RUN (LOCK)
lever to raise the outboard motor. position, you may need to raise the
Applying excessive f orce to the tiller outboard motor slightly to disengage
handle can damage it. the tilt mechanism, then slowly lower
the outboard motor.
(transom angle at 12°)
59
05/02/21 20:27:11 31ZW2600_061
OPERATION
SH and LH Types ENGINE COVER GRIP To tilt the outboard motor, move the
tilt lever to the TILT position, then
When operating in shallow water, tilt raise the outboard motor to the 20° or
the outboard motor, using the tilt 37° position by pulling on the engine
lever, so the propeller and gear case cover grip.
won’t hit the bottom. TILT LEVER
ENGINE COVER GRIP Do not use the tiller handle as a
TILT lever to raise the outboard motor.
Applying excessive f orce to the tiller
handle can damage it.
RUN
(LOCK) While the outboard motor is tilted,
proceed at a low speed, and do not
operate the outboard motor in reverse.
The outboard motor will rise
20° suddenly if operated in reverse.
Monitor water flow from the cooling

system indicator (p. 28 ) to be sure
the outboard motor is not tilted so
high the water intake is out of the
67° water.
37°
37° 20°
POSITION
(transom angle at 12°) (transom angle at 12°)
60
05/02/21 20:27:23 31ZW2600_062
OPERATION
MOORING, BEACHING, SHG, SRG and LRG Types

LAUNCHING Use the tilt lever to raise and lower
An excessive tilt angle during the outboard motor as described on
operation can cause propeller SH and LH Types p. 59 .
ventilation, overheating, and water
pump damage. This type of damage LHT, SRT and LRT Types
is not covered by the Distributor’s To raise the outboard motor out of
Limited Warranty (p. 119 ). the water while the engine is stopped
and the boat is moored, or for
maximum clearance when beaching
or launching, use the power tilt
67° POSITION
switch on the engine pan to tilt the
outboard motor as far as it will go,
move the tilt lock lever to the LOCK
position, then gently lower the
(transom angle at 12°) outboard motor until the lever
contacts the stern bracket.
To tilt the outboard motor, move the
tilt lever to the TILT position, then
raise the outboard motor to the 67°
position by pulling on the engine
cover grip as described on p. 60 .
Do not use the tiller handle as a

lever to raise the outboard motor.
Applying excessive f orce to the tiller
handle can damage it.
61
05/02/21 20:27:33 31ZW2600_063
OPERATION
If more clearance is needed to swing

RIGHT STERN BRACKET
the tilt lock lever into the LOCK
position, rock the outboard motor MANUAL RELIEF VALVE
forward slightly by pulling on the LOCK
engine cover grip. FREE POWER
(To fix)
To lower the outboard motor, tilt up,
move the tilt lock lever to the FREE
position, then lower the outboard
motor to the desired position.
MANUAL
TILT LOCK LEVER (To release)
(lock position)
The outboard motor can also be tilted

Do not attempt to use the power tilt manually after opening the manual
switch to tilt the outboard motor relief valve. This feature enables the
down while the tilt lock lever is in the outboard motor to be tilted when no
lock position. Damage to the power battery is connected.
tilt system may occur.
For manual tilting, use a flat blade
screwdriver to turn the valve
POWER TILT SWITCH counterclockwise 2 and a half turns.
Close the valve firmly after
positioning the engine.
62
05/02/21 20:27:37 31ZW2600_064
OPERATION
Be sure the valve is closed before

operating the outboard motor. If the
valve is not closed, the outboard
motor will tilt up when operated in
reverse.
63
05/02/21 20:27:45 31ZW2600_065
SERVICING YOUR OUTBOARD MOTOR

THE IMPORTANCE OF To help you properly care for your Remember that your authorized
MAINTENANCE outboard motor, the following pages Honda marine dealer knows your
include a maintenance schedule, outboard motor best and is fully
Good maintenance is essential for routine inspection procedures, and equipped to maintain and repair it.
safe, economical, and trouble-free simple maintenance procedures using
operation. It will also help reduce air basic hand tools. Other service tasks To ensure the best quality and
pollution. that are more difficult, or require reliability, use only new, genuine
special tools, are best handled by Honda parts or their equivalents for
professionals and are normally repair and replacement.
performed by a Honda technician or
Improperly maintaining other qualified mechanic. Maintenance, replacement, or
this outboard motor, or repair of the emission control
failure to correct a problem The maintenance schedule applies to devices and systems may be
before operation, can cause normal operating conditions. If you performed by any marine engine
a malfunction in which you operate your outboard motor under repair establishment or individual,
could be seriously hurt or unusual conditions, consult an using parts that are ‘‘certified’’ to
killed. authorized Honda marine dealer for EPA standards.
recommendations applicable to your
Always follow the individual needs and use.
inspection and
maintenance
recommendations and
schedules in this owner’s
manual.
64
05/02/21 20:27:57 31ZW2600_066
MAINTENANCE SAFETY Safety Precautions Read the instructions before you

begin, and make sure you have the
Some of the most important safety Make sure the engine is off before tools and skills required.
precautions follow. However, we you begin any maintenance or
cannot warn you of every repairs. This will eliminate several To reduce the possibility of fire or
conceivable hazard that can arise in potential hazards: explosion, be careful when
performing maintenance. Only you working around gasoline. Use only
can decide whether or not you should −Carbon monoxide poisoning a nonflammable solvent, not
perform a given task. from engine exhaust. gasoline, to clean parts. Keep
Be sure there is adequate cigarettes, sparks, and flames away
ventilation whenever you from all fuel-related parts.
operate the engine.
Failure to properly follow Wear gloves when handling the
maintenance instructions −Burns from hot parts. propeller to protect your hands
and precautions can cause Let the engine and exhaust from sharp edges.
you to be seriously hurt or system cool before touching.
killed.
−Injury from moving parts.
Always follow the Do not run the engine unless
procedures and instructed to do so.
precautions in the owner’s
manual.
65
05/02/21 20:28:08 31ZW2600_067
SPARE EMERGENCY STOP TOOL KIT

SWITCH CLIP (long tiller
handle type) AND
EMERGENCY STARTER
ROPE 10 × 12 mm WRENCH
PLIERS
OIL CHECK SCREWDRIVER
18×19 mm SOCKET WRENCH

SPARE EMERGENCY STOP SWITCH FLAT SCREWDRIVER
CLIP (long tiller handle type)
PHILLIPS SCREWDRIVER 8 mm WRENCH
TOOL BAG
SCREWDRIVER HANDLE
EMERGENCY STARTER ROPE

Individual items in the tool kit shown above can be purchased from an
Always carry the spare emergency authorized Honda marine dealer and may be used for simple maintenance
stop switch clip and the emergency procedures and/or emergency repairs. Keep this tool kit or an equivalent
starter rope onboard. The spare clip onboard, so they will always be available if you need them.
may either be stored in the tool bag
or in an easily accessible location on If your tool kit needs replacement, it is not available as a kit and each item
the boat along with the emergency must be ordered individually.
starter rope.
66
05/08/17 09:55:51 31ZW2600_068
MAINTENANCE SCHEDULE
Follow the MAINTENANCE SCHEDULE table and service your outboard motor accordingly. Please note, a claim for
warranty coverage will not be denied simply because the maintenance schedule for your outboard was not followed.
However, any part(s) that fails specifically due to lack of maintenance, or improperly performed maintenance, would
not be covered under the Distributor’s Limited Warranty.
REGULAR SERVICE PERIOD (3)
Perform at every indicated month or operating First month Every 6 months Every year Every 2 years
hour interval, whichever comes first. Each use After use or or or or
20 hrs. 100 hrs. 200 hrs. 400 hrs.
ITEM
Engine oil Check level ○
Change ○ ○
Gear case oil Change ○ (2) ○ (2)
Engine oil filter Replace ○ (2)
Timing belt Check-adjust ○ (2)
Starter rope Check ○
Carburetor linkage Check-adjust ○ (2) ○ (2)
Idle speed Check-adjust ○ (2) ○ (2)
Valve clearance Check-adjust ○ (2)
Spark plug Check-adjust ○
Replace ○
Propeller and Cotter pin Check ○
Anode Check ○
Lubrication Grease ○ (1) ○ (1)
(1) Lubricate more frequently when used in salt water.
(2) These items should be serviced by an authorized Honda marine dealer, unless you have the proper tools and are mechanically proficient.
Refer to the Honda shop manual for service procedures.
(3) For professional commercial use, log hours of operation to determine proper maintenance intervals.
67
05/02/21 20:28:37 31ZW2600_069
REGULAR SERVICE PERIOD (3)

Perform at every indicated month or operating First month Every 6 months Every year Every 2 years
hour interval, whichever comes first. Each use After use or or or or
20 hrs. 100 hrs. 200 hrs. 400 hrs.
ITEM
Thermostat Check ○ (2)
Fuel filter Check ○
Replace ○
Fuel line Check ○
Replace Every 2 years (If necessary) (2)
Battery and cable Check level-tightness ○
connection
Bolts and nuts Check-tightness ○ (2) ○ (2)
Crankcase breather tube Check ○ (2)
Cooling water passages Clean ○ (4)
Water pump Check ○ (2)
(1) Lubricate more frequently when used in salt water.
(2) These items should be serviced by an authorized Honda marine dealer, unless you have the proper tools and are mechanically proficient.
Refer to the Honda shop manual for service procedures.
(3) For professional/commercial use, log hours of operation to determine proper maintenance intervals.
(4) When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use.
68
05/02/21 20:28:50 31ZW2600_070
TRIM TAB ADJUSTMENT

The trim tab compensates for
‘‘torque steer’’ which is a reaction of
the outboard motor to propeller
rotation.
LEFT RIGHT
If uncompensated, torque steer would
make the outboard motor tend to turn
to one side.

adjusted, steering effort is equal in
either direction.
If steering effort is unequal, loosen TRIM TAB TRIM TAB BOLT TRIM TAB BOLT TRIM TAB
the trim tab bolt and adjust the angle
of the trim tab. Retighten the trim tab
bolt securely. If less effort is required to make left If less effort is required to make right
turns, move the back of the trim tab turns, move the back of the trim tab
left. right.
Adjust the trim tab in small

increments, and retest steering effort
with the boat evenly loaded and
running at cruising speed.
69
05/02/21 20:29:02 31ZW2600_071
MANUAL RELIEF VALVE For manual tilting, use a flat blade

screwdriver to turn the valve (FRONT)
LHT, SRT and LRT Types counterclockwise 2 and a half turns.
Close the valve firmly after
RIGHT STERN BRACKET positioning the engine.
MANUAL RELIEF VALVE Be sure the valve is closed before
operating the outboard motor. If the
POWER valve is not closed, the outboard
(To f ix)
motor will tilt up when operated in
reverse.
ENGINE COVER REMOVAL

MANUAL AND INSTALLATION
(To release) The engine cover latch fastens the
(REAR) engine cover to the outboard motor.
The outboard motor can be tilted
manually after opening the manual ENGINE COVER To remove the engine cover, unlatch
relief valve. This feature enables the LATCH the engine cover latch, then lift the
outboard motor to be tilted when no engine cover off the outboard motor.
battery is connected.
To install the engine cover, place the
cover on the outboard motor, then
latch the engine cover latch securely.
UNLATCH
FIX
70
05/02/21 20:29:14 31ZW2600_072
Engine Oil Level Check

OIL FILLER CAP
Check the engine oil level with the Running the engine with a low oil
engine stopped and the outboard level can cause engine damage.
motor in the vertical position.
5. Install the oil filler cap and tighten
1. Unlatch and remove the engine it securely.
cover (p. 70 ).
6. Install and lock the engine cover.
2. Remove the dipstick and wipe it
clean.
OIL LEVEL DIPSTICK

4. If the oil level is low, remove the
oil filler cap, and add oil to reach
the upper limit mark shown on the
UPPER dipstick. Use the oil recommended
LIMIT
on p. 73 .
LOWER
LIMIT
3. Insert the dipstick all the way in,

then remove it and check the oil
level shown on the dipstick.
71
05/02/21 20:29:23 31ZW2600_073
Engine Oil Change

SEALING WASHER
An engine oil evacuation device may Improper disposal of engine oil
be used to remove the engine oil. can be harmf ul to the environment.
If you change your own oil, please
Drain the used oil while the engine is dispose of the used oil properly.
warm. Warm oil drains quickly and Put it in a sealed container, and
completely. take it to a recycling center. Do
not discard it in a trash bin, dump
1. Unlatch and remove the engine it on the ground or pour it down a
cover (p. 70 ). Remove the oil drain.
filler cap. DRAIN
BOLT
2. Place a suitable container below

the drain bolt hole to catch the
used oil, then remove the engine
oil drain bolt and washer.
3. Allow the used oil to drain

completely, then install a new
sealing washer on the engine oil
drain bolt, and tighten it securely.
72
05/02/21 20:29:34 31ZW2600_074
4. With the outboard motor in a Engine Oil Recommendations The SAE oil viscosity and service
vertical position, fill to the upper classification are in the API label on
limit mark on the dipstick (p. 71 ) Oil is a major factor affecting the oil container. Honda recommends
with the recommended oil. performance and service life. Use that you use API SERVICE category
4-stroke automotive detergent oil. SG, SH, SJ or SL oil with the
Engine oil refill capacity: ‘‘starburst’’ certification mark
Without oil filter change: SAE Viscosity Grade displayed on the container.
1.7 US qt (1.6 )
With oil filter change:
2.0 US qt (1.9 )
5. Install the oil filler cap and tighten

it securely.
AMBIENT TEMPERATURE
SAE 5W-30 is recommended for
general use.
73
05/02/21 20:29:43 31ZW2600_075
Lubrication Points TILLER HANDLE

Apply marine anticorrosion grease to TILT SHAFT
the following parts:
Lubrication interval:
After the first 20 hours or 1 month,
then every 100 hours or 6 months.
(Refer to the maintenance schedule
page 67 ).
MOUNT FRAME CLAMP SCREWS
To prevent corrosion, apply

anticorrosion oil to pivot surf aces
where grease cannot penetrate.
PROPELLER SHAFT SWIVEL CASE
Apply Honda Marine Corrosion Inhibitor (or equivalent) to all areas under the engine cover and any exposed metal
surfaces except the belts.
74
05/02/21 20:29:56 31ZW2600_076
Spark Plug Service SIDE ELECTRODE
RECOMMENDED SPARK PLUGS: 0.024 − 0.028 in

DR7EA (NGK) (0.60 − 0.70 mm)
X22ESR-U (DENSO)
Incorrect spark plugs can cause

engine damage. SEALING WASHER
1. Unlatch and remove the engine

cover (p. 70 ). SPARK PLUG SPARK PLUG
CAPS WRENCH
2. Disconnect the spark plug caps
from the spark plugs. 4. Inspect the spark plugs. Replace 5. Measure the spark plug electrode
them if the electrodes are worn, or gap with a wire-type feeler gauge.
3. Remove the spark plugs with a if the insulators are cracked or Correct the gap, if necessary, by
spark plug wrench. chipped. carefully bending the side
electrode.
The gap should be:

0.024 − 0.028 in
(0.60 − 0.70 mm)
75
05/02/21 20:30:04 31ZW2600_077
7. After each spark plug seats, tighten

with a spark plug wrench to
compress the sealing washer.
If reinstalling used spark plugs,

tighten 1/8−1/4 turn after the
spark plugs seat.
If installing new spark plugs,

tighten 1/2 turn after the spark
plugs seat.
Loose spark plugs can overheat

6. Install the spark plugs carefully, and damage the engine.
by hand, to avoid cross-threading. Overtightening the spark plugs
can damage the threads in the
cylinder head.
8. Attach the spark plug caps.
76
05/02/21 20:30:21 31ZW2600_078
REFUELING
Portable Fuel Tank Gasoline is highly
flammable and explosive.
FUEL TANK CAPACITY:
6.6 US gal (25 ) You can be burned or
seriously injured when
Check the fuel gauge and refill the FUEL GAUGE handling fuel.
tank when necessary. Stop the engine and keep
SAFE FILL LEVEL heat, sparks, and flame
Remove the fuel tank from the boat away.
for refueling. Handle fuel only
outdoors.
VENT KNOB Wipe up spills
immediately.
CLOSE
OPEN
Never refill the fuel tank inside a
building where gasoline fumes may
Refuel in a well-ventilated area. Fill reach flames or sparks. Keep
the tank to the SAFE FILL LEVEL gasoline away from appliance pilot
FUEL FILLER CAP line. lights, barbecues, electric appliances,
power tools, etc.
To refuel, turn the vent knob After refueling, install the cap and
counterclockwise to the OPEN tighten it securely. Turn the vent Spilled fuel is not only a fire hazard,
position, and unscrew the fuel filler knob clockwise to the CLOSED it causes environmental damage.
cap. position, and return the fuel tank to Wipe up spills immediately.
the boat.
77
05/02/21 20:30:31 31ZW2600_079
FUEL RECOMMENDATIONS
Use unleaded gasoline with a pump Running the engine with persistent
octane rating of 86 or higher. spark knock or pinging can cause
engine damage.
Your outboard motor is certified to
operate on unleaded gasoline. Running the engine with persistent
Unleaded gasoline produces fewer spark knock or pinging is misuse,
engine and spark plug deposits and and the Distributor’s Limited
extends exhaust system life. Warranty (p. 119 ) does not cover
parts damaged by misuse.
Never use stale or contaminated
gasoline or an oil/gasoline mixture. For information regarding
Avoid getting dirt or water in the fuel oxygenated fuels, please refer to
tank. page 107.
Occasionally you may hear a light

‘‘spark knock’’ or ‘‘pinging’’
(metallic rapping noise) while
operating under heavy loads. This is
no cause for concern.
If spark knock or pinging occurs at a

steady engine speed, under normal
load, change brands of gasoline. If
spark knock or pinging persists, see
an authorized Honda marine dealer.
78
05/02/21 20:30:43 31ZW2600_080
Fuel Filter Inspection and

Replacement
Gasoline is highly
The fuel filter is located under the flammable and explosive.
engine cover between the fuel
coupling and the fuel pump. You can be burned or PULL
seriously injured when PUSH
Water or sediment accumulated in handling fuel.
the filter can cause loss of power or Stop the engine and keep
hard starting. To prevent engine heat, sparks, and flame
malfunction, inspect the filter and away.
replace when necessary. Handle fuel only FUEL HOSE CONNECTOR
outdoors.
Wipe up spills
immediately. 1. Disconnect the fuel hose connector
from the outboard motor.
2. Remove the engine cover (p. 70 ).
79
05/02/21 20:30:52 31ZW2600_081

FUEL HOSE CLIPS 5. Place clamps on the fuel hoses on
each side of the filter to prevent
fuel leakage when the fuel hoses
are disconnected.
FUEL
HOSES
HOSE CLAMP GRIPPER

(commercially available)
FUEL FILTER
3. Raise the fuel filter, and remove it 4. Inspect the filter for water and/or
from the engine under case. sediment accumulation. FUEL FILTER
If the filter is OK, reinstall it. If

water and/or sediment are present,
replace the filter as described in
the following steps. Always
replace the filter at the scheduled
replacement interval (p. 68 ).
80
05/02/21 20:31:01 31ZW2600_082
FUEL HOSE FUEL PUMP

8. Securely connect the fuel hose Portable Fuel Tank and Filter
CLIPS connector to the outboard motor Cleaning
(refer to page 42 ).
9. Prime the engine using the priming

bulb (p. 43 ). Check for fuel leaks. Gasoline is highly flammable
Repair any fuel leaks if necessary. and explosive.
If loss of power or hard starting are You can be burned or

found to be caused by excessive seriously injured when
water or sediment accumulation in handling fuel.
the fuel filter, inspect the fuel tank. Stop the engine and keep
FUEL FILTER ARROW Clean the fuel tank and tank filter if away.
(fuel flow direction) necessary. It may be necessary to Handle fuel only
drain the fuel tank completely and outdoors.
6. Install the new fuel filter so the refill with fresh gasoline. Wipe up spills
arrow on the filter points toward immediately.
the fuel pump.
Fuel flow will be reduced if the

filter is installed backward.
7. Connect the fuel hoses to the filter

securely with the hose clips.
Remove the fuel hose clamps used
to close the fuel hoses.
81
05/02/21 20:31:12 31ZW2600_083
Fuel Tank Fuel Tank Filter Anode Replacement

FUEL HOSE
TANK FILTER JOINT
(Fuel Hose Connector)
O-RING
FUEL
TANK
FILTER
ANODE
Empty the portable fuel tank into an 1. Unscrew the fuel hose connector (trim tab)
approved gasoline container. Use a by turning it counterclockwise,
funnel to avoid spilling fuel. Rinse then remove the fuel hose LEFT STERN BRACKET
the fuel tank with nonflammable connector and fuel tank filter from
solvent to remove any accumulated the tank.
sediment.
2. Clean the filter in nonflammable
solvent. Inspect the fuel tank filter
and the connector O-ring. Replace
them if damaged.
3. Reinstall the filter and hose

connector in the fuel tank. Tighten
the hose connector securely. ANODE
(SHG, LHT, SRG, LRG, SRT and
LRT types)
82
05/02/21 20:31:16 31ZW2600_084
One anode is located on the stern

bracket and the other anode is the
trim tab. They are made of a
sacrificial material that helps to
protect the outboard motor from
corrosion.
Replace the anodes when they have

been reduced to about half their
original size, or if they are crumbling.
Painting or coating the anodes will

def eat their purpose and will lead to
rust and corrosion damage to the
outboard motor. The anodes must be
exposed to the water in order to
protect the outboard motor.
83
05/02/21 20:31:28 31ZW2600_085
Propeller Replacement Removal Installation

Before replacing the propeller, Remove the cotter pin, unscrew the Install the propeller in the reverse
remove the clip from the emergency castle nut, remove the washer, then order of removal.
stop switch to prevent any possibility remove the propeller and thrust
of the engine being started while you washer. Install the thrust washer with the
are working with the propeller. grooved side toward the gear case.
The propeller blades may have sharp Use a genuine Honda stainless
edges, so wear heavy gloves to steel cotter pin or equivalent cotter
protect your hands. pin and bend the pin ends as
shown.
Operating the outboard motor at
higher altitudes will reduce available
power. This may require decreasing
MARINE GREASE
the propeller pitch to maintain correct
engine RPM.
PLAIN
WASHER
CASTLE
NUT
THRUST WASHER COTTER PIN COTTER PIN

PROPELLER (stainless) (stainless)
84
05/02/21 20:31:38 31ZW2600_086
STORAGE
STORAGE PREPARATION Cleaning
Proper storage preparation is Wash the outside of the outboard
essential for keeping your outboard motor with clean, fresh water, and
motor trouble-free and looking good. flush the cooling system as described.
The following steps will help to keep
rust and corrosion from impairing Flushing With the Honda
your outboard motor’s function and Garden Hose Adapter (optional
appearance, and will make the engine equipment)
easier to start when you use the
outboard motor again. It is necessary to run the engine
during the flushing procedure. For
Cleaning and Flushing safety, remove the propeller from the WASH PLUG (flush plug)
outboard motor (p. 84 ).
Thoroughly clean and flush the 1. Remove the wash plug and sealing
outboard motor with fresh water after washer from the WASH plug hole
operation in dirty water or salt water. in the gear case. Be sure not to
remove the oil level plug from the
Touch up any damaged paint, and OIL LEVEL plug hole in the gear
coat areas that may rust with Honda case.
Corrosion Inhibitor, or equivalent.
Lubricate controls with a silicone
spray lubricant.
85
05/02/21 20:31:47 31ZW2600_087
STORAGE
GARDEN HOSE ADAPTER 4. Move the gearshift lever or control

(FLUSH KIT COUPLER) lever to the N (neutral) position.
Flush the outboard motor in the
neutral position only.
5. Turn on the fresh water supply to

the flush kit coupler.
Running the engine without good

water circulation can cause
overheating and water pump
damage. COOLING SYSTEM INDICATOR
2. Remove the sealing washer from Damage caused by running the 6. Start the engine. Monitor the
the wash plug and install the outboard motor without sufficient cooling system indicator. Stop the
sealing washer on the flush kit cooling water is not covered by the engine if water does not come out
coupler. Distributor’s Limited Warranty of the cooling system indicator and
(p. 119 ). check the fresh water supply.
3. Install the flush kit coupler into the
WASH plug hole and connect a If the fresh water supply is
fresh water hose to the garden insufficient it may be necessary
hose adapter. to temporarily cover the three
water intakes with duct tape as
shown on the following page.
86
05/02/21 20:31:58 31ZW2600_088
STORAGE
WATER INTAKES Flushing Without the Honda

Garden Hose Adapter
Running the engine without good
It is necessary to run the engine water circulation can cause
during the flushing procedure. For overheating and water pump
safety, remove the propeller from the damage.
outboard motor (p. 84 ).
Damage caused by running the
outboard motor without sufficient
cooling water is not covered by the
7. Allow the engine to run at idle for Distributor’s Limited Warranty
at least 5 minutes to clean the (p. 119 ).
inside of the motor.
2. Start the engine and run in the N
8. Stop the motor and remove the (neutral) position at low speed for
garden hose adapter. at least 10 minutes.
9. Remove the sealing washer from 3. After flushing, stop the engine,
the garden hose adapter and install remove the water container, and
the sealing washer on the wash ANTIVENTILATION PLATE reinstall the propeller (p. 84 ).
plug.
1. Place a container under the
If tape was used to cover the three outboard motor, and fill it with
water intakes in step 6, remove the clean, fresh water. The water level
tape now. must be at least 2 inches above the
antiventilation plate.
10. Install the wash plug into the gear
case securely.
87
05/02/21 20:32:07 31ZW2600_089
STORAGE
Fuel Gasoline will oxidize and deteriorate Adding a Fuel Stabilizer

in storage. Old gasoline will cause When adding a fuel stabilizer, fill the
hard starting, and it leaves gum fuel tank with fresh gasoline. If only
Depending on the region where you deposits that clog the fuel system. If partially filled, air in the tank will
operate your outboard, f uel the gasoline in your fuel tank and promote fuel deterioration during
f ormulations may deteriorate and carburetor deteriorates during storage, storage. If you keep an additional
oxidize rapidly. Fuel deterioration you may need to have the carburetor container of gasoline for refueling,
and oxidation can occur in as little and other fuel system components be sure that it contains only fresh
as 15 days and may cause damage to serviced or replaced. gasoline.
the carburetors and f uel system.
Please check with your servicing The length of time that gasoline can 1. Add fuel stabilizer following the
dealer f or local storage be left in your fuel tank and manufacturer’s instructions.
recommendations. carburetor without causing functional
problems will vary with such factors 2. After adding a fuel stabilizer, run
as gasoline blend, your storage the engine in water for 10 minutes
temperatures, and whether the fuel to be sure that the treated gasoline
tank is partially or completely filled. has replaced the untreated gasoline
The air in a partially filled fuel tank in the carburetor.
promotes fuel deterioration. Very
warm storage temperatures accelerate 3. Turn the engine OFF.
fuel deterioration. Fuel deterioration
problems may occur in less than 30
days, if the gasoline was not fresh
when you filled the fuel tank.
88
05/02/21 20:32:20 31ZW2600_090
STORAGE
The Distributor’s Limited Warranty 2. With the outboard motor in a

(p. 119 ) does not cover fuel system vertical position, place an ♯1 CARBURETOR
damage or engine performance approved gasoline container below DRAIN SCREW
problems resulting from neglected the fuel drain outlet, and use a
storage preparation. funnel to avoid spilling fuel.
Draining the Fuel System

DRAIN
You can avoid fuel deterioration TUBE
problems by draining the fuel tank Gasoline is highly
and carburetors. flammable and explosive.
1. Disconnect the fuel hose from the You can be burned or

outboard motor. seriously injured when
handling fuel.
DRAIN SCREW Stop the engine and keep ♯3 CARBURETOR ♯2 CARBURETOR
DRAIN SCREW DRAIN SCREW
away.
Handle fuel only 3. Loosen the drain screw on ＃1
outdoors. carburetor, allow the carburetor to
Wipe up spills drain completely, then tighten the
immediately. drain screw securely.
4. Remove the drain tube from ＃1

carburetor, install it on ＃2
carburetor, and drain that
carburetor in the same manner.
89
05/02/21 20:32:35 31ZW2600_091
STORAGE
5. Repeat this procedure to drain ＃3 Engine Oil STORAGE PRECAUTIONS

carburetor.
1. Change the engine oil (p. 72 ). Select a well-ventilated storage area.
6. After all three carburetors are If possible, avoid storage areas with
drained, reinstall the drain tube on 2. Remove the spark plugs (p. 75 ), high humidity.
＃1 carburetor. and remove the clip from the
emergency stop switch. If storing a container of gasoline,
7. Drain the fuel tank into an such as the portable fuel tank, store it
approved gasoline container, or if 3. Pour a tablespoon (5 − 10 cm3) of away from any appliance that
you need to store fuel in the fuel clean engine oil into each cylinder. operates with a flame, such as a
tank, you can extend fuel storage furnace, water heater, or clothes
life by filling the fuel tank with 4. Using the emergency starter rope dryer. Also avoid any area with a
fresh gasoline and adding a fuel (p. 49 ), rotate the flywheel a few spark producing electric motor, or
stabilizer that is formulated for revolutions to distribute the oil in where power tools are operated.
that purpose. the cylinders.
If using the portable fuel tank, 5. Reinstall the spark plugs (p. 76 ).
firmly close the fuel filler cap vent
knob.
OUTBOARD MOTOR STAND

(commercially available)
90
05/02/21 20:32:44 31ZW2600_092
STORAGE
If the outboard motor will be Cover the outboard motor to keep out
removed from the boat for storage, dust. Do not use sheet plastic as a
we recommend storing it vertically dust cover. A nonporous cover will
by mounting it on a commercially trap moisture, promoting rust and
available stand. corrosion.
REMOVAL FROM STORAGE

Check your outboard motor as
described in the BEFORE
OPERATION chapter of this manual.
CASE PROTECTOR
If the cylinders were coated with oil
during storage preparation, the
If it is necessary to store the outboard engine may smoke briefly at startup.
motor horizontally, drain the This is normal.
carburetor (p. 89 ), and drain the
engine oil (p. 72 ), before removing
the outboard motor from the boat.
Position the outboard motor with its

carburetor side down, and cushion it
with protective packing material.
91
05/02/21 20:32:55 31ZW2600_093
TRANSPORTING
WITH OUTBOARD MOTOR STEERING FRICTION ADJUSTER All Types
INSTALLED ON BOAT
If there is insufficient road clearance
When trailering a boat with the in the normal running position, then
outboard motor attached, leave the tilt the outboard motor and use a
engine in the normal running position, motor support bar, or remove the
if possible. outboard motor from the boat. Refer
to the manufacturer’s instructions for
SH, LH, SHG and LHT Types TO DECREASE using a motor support bar.
TO INCREASE
FRICTION FRICTION
(LOCK) (FREE)
STEERING
TO DECREASE FRICTION
FRICTION ADJUSTER (SHG and LHT types)
(FREE) BOLT
Tighten the steering friction adjuster
to prevent the outboard motor from
moving while trailering the boat.
TO INCREASE
FRICTION MOTOR SUPPORT BAR
SRG, LRG, SRT and LRT Types (commercially available)
(LOCK)
(remote control)
Use a motor support bar to prevent
(SH and LH types) the outboard motor from moving
while trailering the boat. Refer to the
manufacturer’s instructions for using
a motor support bar.
92
05/02/21 20:33:03 31ZW2600_094
TRANSPORTING
WITH OUTBOARD MOTOR To carry, hold the outboard motor by

REMOVED FROM BOAT the carrying handle, or hold by the
carrying handle and the lug beneath
Secure the outboard motor in either engine cover lock lever, as shown.
the vertical or horizontal position
shown on p. 91 .
Lif ting the outboard motor by the
engine cover, or using the installed
(Tiller handle type) outboard motor as a handle or lever
to move the boat, can damage the
outboard motor.
CARRYING HANDLE
LUG
93
05/02/21 20:33:13 31ZW2600_095
TRANSPORTING
HOIST
HOOK
LIFTING
EYE
When transporting the outboard 2. Secure the outboard motor with 3. Reinstall the engine cover.
motor on a vehicle, perform the the bolts, nuts and washers.
following. When trailing or transporting the
boat with the motor attached, it is
1. Remove the engine cover, lift the recommended that the motor
outboard motor using the engine remain in normal running position,
lifting eye, and place on the with the steering friction adjuster
outboard motor stand in the locked position (p. 92 ).
(commercially available).
94
05/02/21 20:33:27 31ZW2600_096
TAKING CARE OF UNEXPECTED PROBLEMS
ELECTRIC STARTER WILL Possible Cause Correction

NOT OPERATE
1. Check battery. Battery connections loose or Clean and tighten battery

corroded. connections.
Battery discharged. Recharge battery.
2. Check fuse. Fuse burnt out. Replace fuse (p.100).
3. Use emergency starting Starter malfunction, switch Replace or repair faulty

procedure (p. 48 ), then take malfunction, or electrical problem components as necessary.
outboard motor to an authorized in the starting circuit.
Honda marine dealer, or refer to
the shop manual.
95
05/02/21 20:33:40 31ZW2600_097
ENGINE WILL NOT START Possible Cause Correction
1. Check emergency stop switch Clip not inserted in stop switch. Insert clip in stop switch.
clip.
2. Check control positions. Gearshift lever or control lever not Shift to neutral (p. 44 or 46 ).
in neutral position.
Throttle grip not in START Turn throttle grip to START

position (long tiller handle type). position (p. 44 ).
Fast idle lever raised (remote Lower fast idle lever, if the engine
control/side-mount type). is warm (p. 47 ).
96
05/02/21 20:33:57 31ZW2600_098
ENGINE WILL NOT START Possible Cause Correction

(continued)
3. Check fuel. Out of fuel. Refuel (p. 77 ).
Fuel vent closed Open the vent knob (p. 42 ).

(portable fuel tank).
Fuel hose not primed. Squeeze priming bulb (p. 43 ).
Fuel filter or fuel tank filter Replace fuel filters (p. 79 and 81 ).
clogged.
Bad fuel; boat stored without Drain fuel tank and carburetors
treating or draining gasoline, or (p. 89 and 90 ). Refill with fresh
refueled with bad gasoline. gasoline (p. 77 ).
4. Remove and inspect spark plugs. Spark plugs faulty, fouled or Gap or replace spark plugs (p. 75 ).
improperly gapped.
Spark plugs wet with fuel (flooded Dry and reinstall spark plugs. Start
engine). engine with the throttle open.
5. Take outboard motor to an Carburetor malfunction, fuel pump Replace or repair faulty
authorized Honda marine dealer, failure, ignition malfunction, stuck components as necessary.
or refer to the shop manual. valves, etc.
97
05/02/21 20:34:08 31ZW2600_099
HARD STARTING OR STALLS Possible Cause Correction

AFTER STARTING
1. Check control positions. Throttle grip not in START Turn throttle grip to START
position (long tiller handle type). position (p. 44 ).
Fast idle lever raised (remote Lower fast idle lever, unless
control/side-mount type). engine is warm (p. 47 ).
2. Check fuel. Fuel vent closed Open the vent knob (p. 42 ).
(portable fuel tank).
Fuel hose not primed. Squeeze priming bulb (p. 43 ).
Fuel filter or fuel tank filter Replace fuel filters (p. 79 and 81 ).
clogged.
Bad fuel; boat stored without Drain fuel tank and carburetors
treating or draining gasoline, or (p. 89 and 90 ). Refill with fresh
refueled with bad fuel. gasoline (p. 77 ).
98
05/02/21 20:34:24 31ZW2600_100
HARD STARTING OR STALLS

AFTER STARTING Possible Cause Correction
(continued)
3. Remove and inspect spark plugs. Spark plugs faulty, fouled or Gap or replace spark plugs (p. 75 ).
improperly gapped.
4. Take outboard motor to an Carburetor malfunction, fuel pump Replace or repair faulty
authorized Honda marine dealer, failure, ignition malfunction, etc. components as necessary.
or refer to the shop manual.
ENGINE OVERHEATS Possible Cause Correction
1. Check water intake screens. Water intake screens clogged. Clean water intake screens.
2. Take outboard motor to an Faulty thermostat or water pump. Replace or repair faulty
authorized Honda marine dealer, components as necessary.
or refer to the shop manual.
99
05/02/21 20:34:38 31ZW2600_101
BATTERY WILL NOT 3. Remove and inspect the fuse. If a 10A FUSE
CHARGE AND ELECTRIC fuse is burnt out, install a FUSE COVER
STARTER WILL NOT replacement fuse of the specified
OPERATE rating. The outboard motor is
supplied with a spare fuse in each
The battery-charging circuit and the fuse holder.
electric starter relay circuit are
protected by the 15-ampere fuse. If DESIGNATED FUSE: 15A, 10A
the fuse burns out, the engine will
not charge the battery, and the
electric starter will not operate. The Never use a f use with a rating SPARE 10A FUSE
engine can be started using the greater than specif ied. Serious
emergency starter rope. damage to the electrical system
could result.
The ignition switch is protected by
the 10-ampere fuse. If the fuse burns FUSE COVER 15A FUSE
out, the engine will not start or run,
and the power trim/tilt switch will BLOWN FUSE
not operate. 4. Reinstall the fuse cover and the
engine cover.
Fuse Replacement
Before further operation, try to
1. With the engine stopped, remove determine and correct the electrical
the engine cover. problem that caused the fuse to
burn out. An uncorrected electrical
2. Remove the fuse cover. problem may cause the fuse to
SPARE 15A FUSE burn out again.
100
05/02/21 20:34:49 31ZW2600_102
OIL PRESSURE INDICATOR If the throttle is closed suddenly after

LIGHT GOES OFF AND full throttle operation, engine speed
ENGINE SPEED IS LIMITED (GREEN) may drop below the specified idle
rpm, and that could activate the
engine protection system
momentarily.
(GREEN) If low oil pressure activates the

BUZZER engine protection system, stop the
(remote control type) engine, check the engine oil level
If oil pressure becomes low, the (p. 71 ), and add oil if needed.
green indicator light will go off, and
the engine protection system will With the engine oil at the
limit engine speed. If you are at recommended level, restart the
cruising speed, engine speed will engine. If the lubrication system is
(long tiller handle/SH and LH types) decrease gradually. OK, the green indicator light should
come on within 30 seconds, and the
Remote control type is equipped with engine will respond normally to
a buzzer that sounds continuously throttle grip or control lever
(GREEN)
when the green indicator light goes operation.
off.
The buzzer sound stops below an If the engine protection system
engine speed of 1,400 rpm. remains activated after 30 seconds,
return to the nearest boat landing,
Low oil pressure may be the result of and have the outboard motor
a low engine oil level, or there may inspected by an authorized Honda
(long tiller handle/SHG and LHT types) be a problem with the engine marine dealer.
lubrication system.
101
05/02/21 20:34:59 31ZW2600_103
OVERHEAT INDICATOR If the engine overheats, the red

LIGHT COMES ON AND indicator light will come on, and the
ENGINE SPEED IS LIMITED engine protection system will limit
engine speed. If you are at cruising
speed, engine speed will decrease
gradually.
(RED)
When normal engine temperature is
restored, the engine speed will
gradually rise to normal engine speed.
If the condition persists for another COOLING SYSTEM INDICATOR

20 seconds, the engine will shut off.
Remote control types are equipped If overheating activates the engine

(long tiller handle/SHG and LHT types) with a buzzer that sounds when the protection system, idle the engine in
red indicator light comes on. neutral, and check the cooling system
indicator.
Engine overheating may be the result
of clogged water intake screens, or If water is flowing from the cooling
(RED) there may be a problem with the system indicator, continue idling for
cooling system thermostat or water 30 seconds. If the cooling system is
pump. OK, the red indicator light should go
off within 30 seconds, and the engine
will respond normally to throttle grip
or control lever operation.
BUZZER
(remote control type)
102
05/02/21 20:35:11 31ZW2600_104
If there is no water flowing from the SUBMERGED MOTOR 3. Change the engine oil as described
cooling system indicator, stop the on p. 72 − 73 . If there was water
engine, and tilt the outboard motor to A submerged outboard motor must in the engine crankcase, or if the
inspect the water intake screens. If be serviced immediately after it is used engine oil showed signs of
clogged, clean the water intake recovered from the water in order to water contamination, then a second
screens, return the outboard motor to minimize corrosion. engine oil change should be
the running position, restart the performed after running the engine
engine, and check the cooling system If there is a Honda marine dealer for half an hour.
indicator again. nearby, take the motor to the dealer
immediately. If you are far from a
If there is still no water flowing from dealer, proceed as follows:
the cooling system indicator, or if the
engine protection system remains 1. Remove the engine cover, and
activated after 30 seconds, return to rinse the outboard motor with
the nearest boat landing, and have the fresh water to remove salt water,
outboard motor inspected by an sand, mud, etc.
authorized Honda marine dealer. EMERGENCY STARTER ROPE
2. Drain the carburetors as described
on p. 89 . 4. Remove the recoil starter assembly
or flywheel cover (p. 49 ).
Remove the spark plugs (p. 75 ),
and remove the clip from the
emergency stop switch. Pull the
emergency starter rope, rotate the
flywheel a few revolutions to
completely expel any water from
the cylinders.
103
05/02/21 20:35:21 31ZW2600_105
If the engine was running when it 7. Attempt to start the engine.

submerged, there may be
mechanical damage, such as bent If the engine fails to start, remove
connecting rods. If the engine the spark plugs, dry them, then
binds when cranked, do not reinstall the spark plugs and
attempt to run the engine until it attempt to start the engine again.
has been repaired.
If the engine starts, and no
mechanical damage is evident,
When cranking the engine with an continue to run the engine for a
open ignition circuit (spark plugs half hour or longer. Be sure the
removed f rom the ignition circuit), water level is at least two inches
remove the clip f rom the above the antiventilation plate to
emergency stop switch to prevent avoid overheating and water pump
possible damage to the ignition 5. Pour a teaspoon of engine oil into damage.
system. each spark plug hole, then pull the
emergency starter rope several 8. As soon as possible, take the
times to lubricate the inside of the outboard motor to an authorized
cylinders. Honda marine dealer for
inspection and service.
6. Reinstall the spark plugs, and put
the emergency stop switch clip
into the switch.
104
05/02/21 20:35:31 31ZW2600_106
TECHNICAL AND CONSUMER INFORMATION

TECHNICAL INFORMATION PRODUCT IDENTIFICATION STARTER MOTOR
NUMBER
Serial Number Locations
Record the product identification
number, the engine serial number and
the date of purchase in the space
provided on this page. You will need
these numbers when ordering parts,
and when making technical or
warranty inquiries (p. 116 ).
SWIVEL CASE ENGINE SERIAL NUMBER
The product identification number is The engine serial number is stamped

stamped on a plate attached on top of on the cylinder block under the
the swivel case. starter motor which is located in the
front of the engine.
Product identification number: Engine serial number:
Date of purchase:
105
05/02/21 20:35:41 31ZW2600_107
Carburetor Modification for Even with carburetor modification, Battery

High Altitude Operation engine horsepower will decrease
about 3.5% for each 1,000-foot (300- For complete information, refer to
At high altitude, the standard meter) increase in altitude. The effect the battery manufacturer’s
carburetor air-fuel mixture will be of altitude on horsepower will be instructions.
too rich. Performance will decrease, greater than this if no carburetor
and fuel consumption will increase. modification is made. Minimum Requirements
A very rich mixture will also foul the
spark plugs and cause hard starting. 12V-65Ah (CCA 420)
When the carburetors have been
High altitude performance can be modif ied f or high altitude operation,
improved by specific modifications the air-f uel mixture will be too lean
to the carburetors. If you always f or low altitude use. Operation at
operate your outboard motor at altitudes below 5,000 f eet (1,500
altitudes above 5,000 feet (1,500 meters) with modif ied carburetors
meters), have an authorized Honda may cause the engine to overheat
marine dealer perform this carburetor and result in serious engine damage.
modification. For use at low altitudes, have an
authorized Honda marine dealer
return the carburetors to original
f actory specif ications.
106
05/02/21 20:35:54 31ZW2600_108
Oxygenated Fuels The following are the EPA-approved damage metal, rubber, and plastic
percentages of oxygenates: parts of your fuel system.
Some conventional gasolines are
being blended with alcohol or an ETHANOL: ethyl or grain alcohol; If you notice any undesirable
ether compound. These gasolines are 10% by volume. operating symptoms, try another
collectively referred to as oxygenated service station, or switch to another
fuels. To meet clean air standards, You may use gasoline containing up brand of gasoline.
some areas of the United States and to 10% ethanol by volume. Gasoline
Canada use oxygenated fuels to help containing ethanol may be marketed Fuel system damage or performance
reduce emissions. under the name ‘‘Gasohol’’. problems resulting from the use of an
oxygenated fuel containing more
If you use an oxygenated fuel, be MTBE: Methyl Tertiary Butyl Ether; than the percentages of oxygenates
sure it is unleaded and meets the 15% by volume. mentioned above are not covered
minimum octane rating requirement. under warranty.
You may use gasoline containing up
Before using an oxygenated fuel, try to 15% MTBE by volume.
to confirm the fuel’s contents. Some
states/provinces require this METHANOL: methyl or wood
information to be posted on the pump. alcohol; 5% by volume.
You may use gasoline containing up

to 5% methanol by volume, as long
as it also contains cosolvents and
corrosion inhibitors to protect the
fuel system. Gasoline containing
more than 5% methanol by volume
may cause starting and/or
performance problems. It may also
107
05/02/21 20:36:05 31ZW2600_109
Emission Control System The U.S. and Calif ornia Clean Tampering and Altering
Information Air Acts
Tampering with or altering the
Source of Emissions EPA and California regulations emission control system may increase
require all manufacturers to furnish emissions beyond the legal limit.
The combustion process produces written instructions describing the Among those acts that constitute
carbon monoxide, oxides of nitrogen, operation and maintenance of tampering are:
and hydrocarbons. Control of emission control systems.
hydrocarbons and oxides of nitrogen Removal or alteration of any part
is very important because, under The following instructions and of the intake, fuel, or exhaust
certain conditions, they react to form procedures must be followed in order systems.
photochemical smog when subjected to keep the emissions from your
to sunlight. Carbon monoxide does Honda engine within the emission Alterations that would cause the
not react in the same way, but it is standards. engine to operate outside its design
toxic. parameters.
Honda utilizes lean carburetor

settings and other systems to reduce
the emissions of carbon monoxide,
oxides of nitrogen, and hydrocarbons.
108
05/02/21 20:36:16 31ZW2600_110
Problems That May Af f ect Replacement Parts A manufacturer of an aftermarket

Emissions part assumes the responsibility that
The emission control systems on the part will not adversely affect
If you are aware of any of the your Honda engine were designed, emission performance. The
following symptoms, have your built, and certified to conform with manufacturer or rebuilder of the part
engine inspected and repaired by EPA and California emission must certify that use of the part will
your servicing dealer. regulations. We recommend the use not result in a failure of the engine to
of genuine Honda parts whenever comply with emission regulations.
Hard starting or stalling after you have maintenance done. These
starting. original-design replacement parts are Maintenance
manufactured to the same standards
Rough idle. as the original parts, so you can be Follow the maintenance schedule on
confident of their performance. The p. 67 . Remember that this schedule
Misfiring or backfiring under load. use of replacement parts that are not is based on the assumption that your
of the original design and quality machine will be used for its designed
Afterburning (backfiring). may impair the effectiveness of your purpose. Sustained high-load
emission control system. operation, or use in unusual
Black exhaust smoke or high fuel conditions, will require more
consumption. frequent service.
109
05/02/21 20:36:31 31ZW2600_111
Star Label The Star Label means Cleaner Marine Engine

A Star label was applied to this This engine has been certified as a:
outboard motor in accordance with
the requirements of the California
Air Resources Board.
The Symbol for Cleaner Marine Engines:
Cleaner Air and Water - for healthier lifestyle and environment.
Better Fuel Economy - burns up to 30 - 40 percent less gas and oil than
conventional carbureted two-stroke engines, saving money and resources.
Longer Emission Warranty - protects consumer for worry-free operation.
110
05/02/21 20:36:45 31ZW2600_112
The one-star label identifies engines that meet the Air Resources Board’s
One Star Personal Watercraft and Outboard marine engine 2001 exhaust emission
Low standards. Engines meeting these standards have 75% lower emissions than
Emission conventional carbureted two-stroke engines. These engines are equivalent
to the U.S. EPA’s 2006 standards for marine engines.
The two-star label identifies engines that meet the Air Resources Board’s
Two Stars Personal Watercraft and Outboard marine engine 2004 exhaust emission
Very Low standards. Engines meeting these standards have 20% lower emissions than
Emission One Star-Low Emission engines.
The three-star label identifies engines that meet the Air Resources Board’s
Three Stars Personal Watercraft and Outboard marine engine 2008 exhaust emission
Ultra Low standards or the Sterndrive and inboard marine engine 2003-2008 exhaust
Emission emission standards. Engines meeting these standards have 65% lower
emissions than One Star-Low Emission engines.
The four-star label identifies engines that meet the Air Resources Board’s
Four Stars Sterndrive and Inboard marine engine 2009 exhaust emission standards.
Super Ultra Personal Watercraft and Outboard marine engines may also comply with
Low Emission these standards. Engines meeting these standards have 90% lower
emissions than One Star-Low Emission engines.
Cleaner Watercraft - Get the Facts

1-800-END-SMOG
www.arb.ca.gov
111
05/02/21 20:37:30 31ZW2600_113

Specifications
MODEL BF25D Oil capacity Engine: 1.7 US qt (1.6 )
Description Code BATJ Without oil filter change
Type H HG HT Gear case: 0.29 US qt (0.27 )
Overall length 28.3 in (720 mm) CARB star label ULTRA LOW EMISSION
Overall width 14.8 in (375 mm) D.C. output 12V−4A 12V−10A
Overall height S 47.0 in (1,195 mm) Cooling system Water cooling with thermostat
L 52.0 in (1,320 mm) Exhaust system Thru-hub
Transom height S 17.0 in (431 mm) Spark plugs DR7EA (NGK)
L 21.7 in (552 mm) X22ESR-U (DENSO)
Weight S 155.4 lbs (70.5 kg) 176.4 lbs (80.0 kg) Fuel pump Diaphragm type
L 159.8 lbs (72.5 kg) 185.2 lbs (84.0 kg) Fuel Automotive unleaded gasoline
Rated power 18.7 kW (25 HP) (86 pump octane or higher)
Full throttle range 5,000−6,000 rpm Tank capacity 6.6 US gal (25 )
Engine type 4 stroke OHC in-line 3 cylinder Gear change Forward-Neutral-Reverse (dog type)
Displacement 33.7 cu-in (552 cm ) Steering angle 40° right and left
Starter system Recoil starter Electric starter Transom angle 5 stages 4 stages
Ignition system Digital ICM (Ignition Control Module) (4°, 8°, 12°, 16°, 20°) (8°, 12°, 16°, 20°)
Lubrication system Trochoid pump pressure lubrication Tilt angle 3 stages Stageless
Specified oil Engine: API standard (Fuel Efficient (transom angle at 12°) (20°, 37°, 67°) (−4° to 64°)
SG, SH, SJ, SL) SAE 5W-30
Gear case: API standard (GL-4/5) SAE 90 Tuneup
outboard motor gear oil Spark plug gap 0.024−0.028 in See page 75
(0.60−0.70 mm)
Idle speed 950 ± 50 rpm See shop
manual
Valve clearance Intake: 0.12 ± 0.02 mm See shop
(cold) Exhaust: 0.20 ± 0.02 mm manual
Other specifications No other adjustment is needed
Honda outboards are power rated in accordance with NMMA procedures and using the ICOMIA standard 28/23.
112
05/02/21 20:38:14 31ZW2600_114

Specifications
Description Code BATJ Without oil filter change
Type RG RT Gear case: 0.29 US qt (0.27 )
Overall width 14.8 in (375 mm) D.C. output 12V−10A
Weight S 166.4 lbs (75.5 kg) 170.9 lbs (77.5 kg) Fuel pump Diaphragm type
Starter system Electric starter Transom angle 4 stages
Ignition system Digital ICM (Ignition Control Module) (8°, 12°, 16°, 20°)
Lubrication system Trochoid pump pressure lubrication Tilt angle Stageless
Specified oil Engine: API standard (Fuel Efficient (transom angle at 12°) (−4° to 64°)
(0.60−0.70 mm)
manual
113
05/02/21 20:38:57 31ZW2600_115

Specifications
Description Code BAUJ Without oil filler change
Type H HG HT Gear case: 0.29 US qt (0.27 )
Overall width 14.8 in (375 mm) D.C. output 12V−4A 12V−10A
Weight S 176.4 lbs (80.0 kg) Fuel pump Diaphragm type
Starter system Recoil starter Electric starter Transom angle 5 stages 4 stages
Ignition system Digital ICM (Ignition Control Module) (4°, 8°, 12°, 16°, 20°) (8°, 12°, 16°, 20°)
Lubrication system Trochoid pump pressure lubrication Tilt angle 3 stages Stageless
Specified oil Engine: API standard (Fuel Efficient (transom angle at 12°) (20°, 37°, 67°) (−4° to 64°)
(0.60−0.70 mm)
manual
114
05/02/21 20:39:37 31ZW2600_116

Specifications
Description Code BAUJ Without oil filter change
Type RG RT Gear case: 0.29 US qt (0.27 )
Overall width 14.8 in (375 mm) D.C. output 12V−10A
Weight S 170.9 lbs (77.5 kg) Fuel pump Diaphragm type
Starter system Electric starter Transom angle 4 stages
Ignition system Digital ICM (Ignition Control Module) (8°, 12°, 16°, 20°)
Lubrication system Trochoid pump pressure lubrication Tilt angle Stageless
Specified oil Engine: API standard (Fuel Efficient (transom angle at 12°) (−4° to 64°)
(0.60−0.70 mm)
manual
115
05/02/21 20:39:48 31ZW2600_117
CONSUMER INFORMATION Customer Service Information your dealer, please send your
comments to the following address:
Honda Publications Contacting Honda
American Honda Motor Co., Inc.
These publications will give you Your owner’s manual was written to Marine Division
additional information for cover most of the questions you Customer Relations Office
maintaining and repairing your might ask about your Honda. Any 4900 Marconi Drive
outboard motor. You may purchase questions not answered in the owner’s Alpharetta, GA 30005-8847
them from your Honda marine dealer. manual can be answered by your Telephone (770)497−6400
Honda dealer. If your dealer doesn’t M-F 8:30am-7:00pm (Eastern Time
Shop Manual have an immediate answer, they Zone)
should be able to get it for you.
This manual covers complete
maintenance and overhaul procedures. If you have a difference of opinion
It is intended to be used by a skilled with your dealer, please remember
technician. that each dealership is independently
owned and operated. That’s why it’s
Parts Catalog important to work to resolve any
differences at the dealership level. If
This manual provides complete, the service personnel are unable to
illustrated parts lists. assist you, please discuss your
concerns with the dealer management
such as the Service Manager or
Dealer Owner.
If you need to contact American

Honda regarding your experiences
with your Honda product or with
116
05/02/21 20:40:02 31ZW2600_118
Please include the following Warranty Coverage deterioration associated with using
information in your communication: your Honda outboard.
Your new Honda is covered by the
Your name, address and telephone following warranties: Your warranty coverage will not be
number (complete with area code) voided if you choose to perform your
Distributor’s Limited Warranty own maintenance. However, you
Model and complete serial number Emission Control Warranty should have the proper tools and
service information and be
Date of purchase Please read the warranty statements mechanically qualified. Failures that
contained in this manual. There are occur due to modifications, improper
Name and location of selling responsibilities, restrictions, and maintenance or service are not
dealer exclusions that apply to these covered.
warranties.
Name and location of servicing
dealer (if different) To obtain warranty service you must
take your Honda outboard engine,
A detailed description of your together with proof of original retail
concerns purchase date, at your expense, to a
Honda engine dealer or distributor
We will likely ask your Honda dealer authorized to sell that product in the
to respond, or possibly acknowledge United States, Puerto Rico, or the
your comments directly. U.S. Virgin Islands.
It is important to realize that your

warranty applies to defects in
material or workmanship of your
Honda. Your warranty coverage does
not apply to normal wear or
117
05/02/21 20:40:09 31ZW2600_119
Warranty Service handling of the situation, we suggest

you discuss your problem with the
Please remember that recommended appropriate member of the
maintenance interval servicing is not dealership’s management team. If the
included in your warranty coverage. problem has already been reviewed
Additionally, your warranty does not with the appropriate manager of the
apply to the normal wear of items Service, Parts, or Sales department,
(such as spark plug(s), water pump, contact the owner of the dealership or
etc.). their designated representative.
As the owner of a Honda product,

your servicing dealer may ask you to
authorize an inspection. If the
problem is covered under warranty,
your dealer will perform any
warranty repairs for you at no cost.
However, you may be responsible for
additional non-warranty charges.
If you have questions about warranty

coverage or the nature of the repair, it
is best to talk to the service manager
of your Honda dealer.
Sometimes, in spite of the best

intentions of all concerned, a
misunderstanding may occur. If you
aren’t satisfied with your dealer’s
118
05/02/21 20:40:20 31ZW2600_120
Distributor’s Limited Warranty − 2006 WHAT AMERICAN HONDA WILL REPAIR OR

REPLACE UNDER WARRANTY:
This warranty is limited to Honda Outboard Motors American Honda will repair or replace, at its option, any
distributed by American Honda Motor Co., Inc., Power part that is proven to be defective in material or
Equipment Division, 4900 Marconi Drive, Alpharetta, workmanship under normal use during the applicable
Georgia 30005-8847. warranty time period. Warranty repairs and replacements
will be made without charge for parts or labor. Anything
PRODUCTS LENGTH OF WARRANTY: replaced under warranty becomes the property of
COVERED (FROM DATE OF ORIGINAL PURCHASE) American Honda Motor Company, Inc. All parts replaced
BY NONCOMMERCIAL/ COMMERCIAL/ under warranty will be considered as part of the original
WARRANTY NONRENTAL RENTAL product and any warranty on those parts will expire
All Outboard 36 Months 12 Months coincidentally with the original product warranty.
Motors
TO OBTAIN WARRANTY SERVICE:
TO QUALIFY FOR THIS WARRANTY: You must take your Honda Outboard Motor and proof of
The Honda Outboard Motor must be purchased from the original purchase date, at your expense, to any dealer
American Honda or a dealer authorized by American who is authorized to service Honda Outboard Motors in
Honda to sell Honda Outboard Motors in the United the United States, Puerto Rico, or the U.S. Virgin Islands,
States, Puerto Rico, or the U.S. Virgin Islands. This during the dealer’s normal business hours. If you are
limited warranty applies to the first retail purchaser and unable to obtain warranty service, or are dissatisfied with
each subsequent owner during the applicable warranty the warranty service you receive, take the following
time period. steps: First, contact the owner of the dealership involved;
normally this should resolve the problem. However, if
you should require further assistance, write or call the
Honda Marine Customer Relations. Please see
Contacting Honda page 116 .
119
05/02/21 20:40:32 31ZW2600_121
EXCLUSIONS: TECHNICIAN TRAVEL TIME

THIS WARRANTY DOES NOT EXTEND TO THE GROWTH OF MARINE ORGANISMS ON MOTOR
FOLLOWING: SURFACES, EXTERNAL OR INTERNAL
CONDITIONS CAUSED BY LACK OF ROUTINE
MAINTENANCE DISCLAIMER OF CONSEQUENTIAL DAMAGE
PARTS AFFECTED OR DAMAGED BY AN AND LIMITATION OF IMPLIED WARRANTIES:
ACCIDENT AND/OR COLLISION AMERICAN HONDA DISCLAIMS ANY
NORMAL WEAR RESPONSIBILITY FOR LOSS OF TIME OR USE OF
FUEL CONTAMINATION AND WATER THE OUTBOARD, REVENUE, OR THE EQUIPMENT
ENTERING ENGINE THROUGH THE FUEL IN WHICH THE OUTBOARD IS INSTALLED,
INTAKE, AIR INTAKE OR EXHAUST SYSTEM TRANSPORTATION, COMMERCIAL LOSS, OR
USE IN AN APPLICATION FOR WHICH THE ANY OTHER INCIDENTAL OR CONSEQUENTIAL
OUTBOARD MOTOR WAS NOT DESIGNED, DAMAGE. ANY IMPLIED WARRANTIES ARE
SUCH AS RACING OR COMPETITIVE USE OR LIMITED TO THE DURATION OF THIS WRITTEN
ANY OTHER MISUSE OR NEGLECT LIMITED WARRANTY. Some states do not allow
INCORPORATION OF UNSUITABLE limitations on how long an implied warranty lasts and/or
ATTACHMENTS OR PARTS do not allow the exclusion or limitation of incidental or
THE UNAUTHORIZED ALTERATION, consequential damages, so the above exclusions and
IMPROPER INSTALLATION, OR ANY CAUSES limitations may not apply to you. This warranty gives
OTHER THAN DEFECTS IN MATERIAL OR you specific legal rights, and you may also have other
WORKMANSHIP rights which vary from state to state.
CORROSION TO STEERING SYSTEM OR
ELECTRICAL COMPONENTS, CORROSION DUE
TO ELECTROLYSIS, WATER BORN FOREIGN
CHEMICALS, IMPROPER SERVICE OR
CORROSION CAUSED BY DAMAGE OR ABUSE
REIMBURSEMENT FOR TOWING CHARGES, IN
AND OUT OF WATER CHARGES, OR
120
05/02/21 20:40:47 31ZW2600_122
ACCESSORIES AND REPLACEMENT PARTS WHAT AMERICAN HONDA WILL REPAIR OR

This warranty is limited to Honda Power Equipment parts, REPLACE UNDER WARRANTY:
accessories and apparel when distributed by American American Honda will repair or replace, at its option, any
Honda Motor Co., Inc., 1919 Torrance Blvd., Torrance, marine product accessories or replacement parts that are
California 90501-2746. proven to be defective in material or workmanship under
normal use during the applicable warranty time period.
PRODUCTS LENGTH OF WARRANTY: Anything replaced under warranty becomes the property
COVERED (FROM DATE OF ORIGINAL PURCHASE) of American Honda Motor Company, Inc. All parts
BY NONCOMMERCIAL/ COMMERCIAL/ replaced under warranty will be considered as part of the
WARRANTY NONRENTAL RENTAL original product and any warranty on those parts will
Accessories 12 Months 3 Months expire coincidentally with the original product warranty.
Replacement 6 Months 3 Months Accessories and replacement parts, installed by a dealer
Parts who is authorized by American Honda to sell them, will
be repaired or replaced under warranty without charge for
TO QUALIFY FOR THIS WARRANTY: parts or labor. If installed by anyone else, accessories and
1. The accessories or replacement parts must be replacement parts will be repaired or replaced under
purchased from American Honda, or a dealer, warranty without charge for parts, but any labor charges
distributor or distributor’s dealer authorized by will be the responsibility of the purchaser.
American Honda to sell those products in the United
States, Puerto Rico, and the U.S. Virgin Islands.
2. You must be the first retail purchaser. This warranty is
not transferable to subsequent owners.
121
05/02/21 20:40:54 31ZW2600_123
TO OBTAIN WARRANTY SERVICE: MATERIAL OR WORKMANSHIP OF THE

You must take the Honda Outboard Motor product PRODUCT.
accessory or replacement part or the outboard motor or
boat on which the accessory or replacement part is DISCLAIMER OF CONSEQUENTIAL DAMAGE
installed, and proof of purchase, at your expense, to any AND LIMITATION OF IMPLIED WARRANTIES:
Honda Outboard Motor dealer in the United States,
Puerto Rico, or the U.S. Virgin Islands who is authorized AMERICAN HONDA DISCLAIMS ANY
to sell that product, during the dealer’s normal business RESPONSIBILITY FOR LOSS OF TIME OR USE OF
hours. THE HONDA OUTBOARD MOTOR, OR THE BOAT
If you are unable to obtain warranty service, or are ON WHICH THE PRODUCT IS INSTALLED,
dissatisfied with the warranty service you receive, take TRANSPORTATION, COMMERCIAL LOSS, OR
the following steps: First, contact the owner of the ANY OTHER INCIDENTAL OR CONSEQUENTIAL
dealership or distributorship involved; normally this will DAMAGE. ANY IMPLIED WARRANTIES ARE
resolve the problem. However, if you should require LIMITED TO THE DURATION OF THIS WRITTEN
further assistance, write or call the Honda Marine WARRANTY. Some states do not allow limitations on
Customer Relations Department of American. Please see how long an implied warranty lasts and/or do not allow
Contacting Honda page 116. the exclusion or limitation of incidental or consequential
damages, so the above exclusions and limitations may not
THIS WARRANTY DOES NOT EXTEND TO apply to you. This warranty gives you specific legal
ACCESSORIES OR PARTS AFFECTED OR rights, and you may also have other rights which vary
DAMAGED BY ACCIDENT AND/OR COLLISION, from state to state.
NORMAL WEAR, USE IN AN APPLICATION FOR
WHICH THE PRODUCT WAS NOT DESIGNED OR
ANY OTHER MISUSE, NEGLECT,
INCORPORATION OR USE OF UNSUITABLE
ATTACHMENTS OR PARTS, UNAUTHORIZED
ALTERATION, IMPROPER INSTALLATION, OR
ANY CAUSES OTHER THAN DEFECTS IN
122
05/02/21 20:41:05 31ZW2600_124
Emission Control System Warranty All States

American Honda Motor Co., Inc. must warranty the
Your new Honda outboard engine complies with both the emission control system on your outboard engine for the
U.S. EPA and State of California emission regulations. period of time listed below provided there has been no
American Honda provides the same emission warranty abuse, neglect or improper maintenance of your outboard
coverage for outboard engines sold in all 50 states. engine. Where a warranty condition exists, American
Honda Motor Co., Inc. will repair your outboard engine
YOUR WARRANTY RIGHTS AND OBLIGATION at no cost to you including diagnosis, parts and labor.
Your emission control system may include such parts as
California the carburetor or fuel injection system and catalytic
The California Air Resources Board and American converter. Also included may be hoses, connectors and
Honda Motor Co., Inc. are pleased to explain the other emission-related assemblies.
emission control system warranty on your 2001 and later
Honda outboard engine. In California, new outboard MANUFACTURER’S EMISSION CONTROL
engines must be designed, built and equipped to meet SYSTEM WARRANTY COVERAGE:
California’s stringent anti-smog emission standards in The 2001 and later outboard engines are warranted for
addition to the U.S. EPA emissions standards. four years or 250 hours of operation, whichever comes
first. However, warranty coverage based on the hourly
Other States period is only permitted for outboard engines equipped
In other areas of the United States your outboard engine with appropriate hour meters. If any emission-related part
must be designed, built and equipped to meet the U.S. on your outboard engine is defective under warranty, the
EPA Emission Standard for spark ignited marine engines. part will be repaired or replaced by American Honda
Motor Co., Inc.
123
05/02/21 20:41:11 31ZW2600_125
OWNER’S WARRANTY RESPONSIBILITY: WARRANTY COVERAGE:

As the outboard engine owner, you are responsible for Honda outboard engines manufactured after June 1, 2000
the performance of the required maintenance listed in are covered by this warranty for a period of four years or
your owner’s manual. American Honda Motor Co., Inc. 250 operating hours, whichever comes first, from the
recommends that you retain all receipts covering date of delivery to the retail purchaser. This warranty is
maintenance on your outboard engine, but American transferred to each subsequent purchaser for the duration
Honda Motor Co., Inc. cannot deny warranty solely for of the warranty period. Warranty repairs will be made
the lack of receipts or for your failure to ensure the without charge for diagnosis, parts and labor. All
performance of all scheduled maintenance. As the defective parts replaced under this warranty become the
outboard engine owner, you should, however, be aware property of American Honda Motor Co., Inc. A list of
that American Honda Motor Co., Inc. may deny you warranty parts is on page 126. Normal maintenance items,
warranty coverage if your outboard engine or a part has such as spark plugs and filters, that are on the warranted
failed due to abuse, neglect, improper maintenance, or parts list are warranted up to their required replacement
unapproved modifications. You are responsible for interval only. American Honda Motor Co., Inc. is also
presenting your outboard engine to a Honda Marine liable for damages to other engine components caused by
dealer as soon as a problem exists. The warranty repair a failure of any warranted part during the warranty period.
should be completed in a reasonable amount of time, not Only Honda approved replacement parts will be used in
to exceed 30 days. If you have any questions regarding the performance of any warranty repairs and they will be
your warranty rights and responsibilities, you should provided without charge to the owner. The use of
contact American Honda Motor Co., Inc., Marine replacement parts not equivalent to the original parts may
Division Customer Relations Office. Please see impair the effectiveness of your engine’s emission
Contacting Honda page 116. control system. If such a replacement part is used in the
repair or maintenance of your engine, and an authorized
Honda Marine dealer determines it is defective or causes
a failure of a warranted part, your claim for your engine
may be denied. If the part in question is not related to the
reason that your engine requires repair, your claim will
not be denied.
124
05/02/21 20:41:18 31ZW2600_126
TO OBTAIN WARRANTY SERVICE: OF, UNSUITABLE ATTACHMENTS, OR THE

You must take your Honda outboard engine, along with UNAUTHORIZED ALTERATION OF ANY PART.
your sales registration card or other proof of original THIS WARRANTY DOES NOT COVER
purchase date, at your expense, to any Honda Marine REPLACEMENT OF EXPENDABLE
dealer who is authorized by American Honda Motor Co., MAINTENANCE ITEMS MADE IN CONNECTION
Inc. to sell and service that Honda marine product during WITH REQUIRED MAINTENANCE SERVICE
his normal business hours. Claims for repair or AFTER THE ITEM’S FIRST SCHEDULED
adjustment found to be caused solely by defects in REPLACEMENT AS LISTED IN THE
material or workmanship will not be denied because the MAINTENANCE SECTION OF THE PRODUCT
engine was not properly maintained and used. If you are OWNER’S MANUAL, SUCH AS: SPARK PLUGS
unable to obtain warranty service, or are dissatisfied with AND FILTERS.
the warranty service you received, contact the owner of
the dealership involved. Normally this should resolve DISCLAIMER OF CONSEQUENTIAL DAMAGE
your problem. However, if you require further assistance, AND LIMITATION OF IMPLIED WARRANTIES:
write or call the Honda Marine Customer Relations American Honda Motor Co., Inc. disclaims any
Office of American Honda Motor Co., Inc. responsibility for incidental or consequential damages
such as loss of time or the use of outboard engine, or any
EXCLUSIONS: commercial loss due to the failure of the equipment; and
FAILURES OTHER THAN THOSE RESULTING any implied warranties are limited to the duration of this
FROM DEFECTS IN MATERIAL OR written warranty. This warranty is applicable only where
WORKMANSHIP ARE NOT COVERED BY THIS the California or U.S. EPA emission control system
WARRANTY. THIS WARRANTY DOES NOT warranty regulation is in effect.
EXTEND TO EMISSION CONTROL SYSTEMS OR
PARTS WHICH ARE AFFECTED OR DAMAGED BY
OWNER ABUSE, NEGLECT, IMPROPER
MAINTENANCE, MISUSE, MISFUELING,
IMPROPER STORAGE, ACCIDENT AND/OR
COLLISION. THE INCORPORATION OF, OR USE
125
05/02/21 20:41:29 31ZW2600_127
EMISSION CONTROL SYSTEM WARRANTY PARTS:
SYSTEMS COVERED BY THIS PARTS DESCRIPTION

WARRANTY:
Fuel Metering Carburetor assembly, Throttle body, Fuel injector, Fuel pump, Fuel pressure
regulator, Throttle position sensor, Intake air temperature sensor, Engine temperature
sensor, Manifold absolute pressure sensor, Idle air control valve, Barometric pressure
sensor, Fuel line solenoid valve, Intake manifold, Intake valves, and Oxygen sensor
or Air fuel ratio sensor
Air Induction Air intake duct, Crankcase breather tube, Positive crankcase ventilation valve, Vapor
separator, Intake manifold tuning valve (Intake air bypass control valve)
Ignition Flywheel magneto, Ignition pulse generator, Ignition coil assembly, Ignition control
module, Engine control module, Crankshaft position sensor, Spark plug cap,
Spark plug＊, Knock sensor, and Camshaft position sensor
Lubrication system Oil pump and internal parts
Crankcase Emission Control Oil filler cap
Exhaust Exhaust manifold and Exhaust valves
VTEC System VTEC valve
Miscellaneous Parts Tubing, fittings, seals, gaskets, and clamps associated with these listed systems.
＊
Covered up to the first required replacement only. See the Maintenance Schedule in the owner’s manual.
126
05/02/21 20:41:33 31ZW2600_128
INDEX
Anodes ............................................................................ 29 Distributor’s Limited Warranty − 2006 ..................... 119

Replacement ............................................................... 82
ARE YOU READY TO GET UNDER WAY？ .......... 37 EMERGENCY STARTING .......................................... 48
ATTACHMENT ............................................................ 33 Emission Control System Information ........................ 108
Emission Control System Warranty............................. 121
Battery .......................................................................... 106 Emergency Stop Switch and Switch Clip ...................... 17
Connections ................................................................ 34 SH, LH, SHG and LHT Types (long tiller handle).... 17
BATTERY WILL NOT CHARGE AND SRG, LRG, SRT and LRT Types (remote control)
ELECTRIC STARTER WILL NOT (side-mount type) ................................................... 20
OPERATE ............................................................ 100 Engine
BEFORE OPERATION................................................. 37 Cover
BOAT TRANSOM REQUIREMENTS ........................ 32 Latches ................................................................... 24
BREAK-IN PROCEDURE ............................................ 39 REMOVAL AND INSTALLATION .................... 70
Oil
Carburetor Modification for High Altitude Change.................................................................... 72
Operation .................................................................. 106 Level Check ........................................................... 71
Common Controls .......................................................... 23 Recommendations .................................................. 73
COMPONENT AND CONTROL LOCATIONS ......... 11 ENGINE OVERHEATS ................................................ 99
CONSUMER INFORMATION .................................. 116 ENGINE WILL NOT START ....................................... 96
CONTROL AND FEATURE IDENTIFICATION
CODES ....................................................................... 10
CONTROLS ................................................................... 16
CONTROLS AND FEATURES ................................... 10
Cooling System Indicator............................................... 28
CRUISING ..................................................................... 56
Customer Service Information ..................................... 115
127
05/02/21 20:41:37 31ZW2600_129
INDEX
Fast Idle Lever (side-mount type) .................................. 21 Ignition Switch

Fuel SHG and LHT Types (long tiller handle) .................. 16
Filler Cap Vent Knob ................................................. 30 SRG, LRG, SRT and LRT Types (remote control)
Filter Inspection and Replacement ............................. 79 (side-mount type) ................................................... 20
Gauge.......................................................................... 26 IMPORTANT SAFETY INFORMATION ..................... 7
HOSE CONNECTIONS ............................................ 42 INDICATORS................................................................ 27
PRIMING ................................................................... 43 INSTALLATION ........................................................... 32
Priming Bulb .............................................................. 31 POSITION.................................................................. 32
RECOMMENDATIONS ........................................... 78 POWER REQUIREMENTS...................................... 32
Fuse Replacement ........................................................ 100 INSTRUMENTS ............................................................ 26
IS YOUR OUTBOARD MOTOR
Gearshift Lever............................................................... 18 READY TO GO？ ..................................................... 37
Gearshift/Trottle Control Lever
SRG, LRG, SRT and LRT Types (remote control) Lubrication Points .......................................................... 74
(side-mount type) ................................................... 22
GEARSHIFTING AND THROTTLE OPERATION ... 53 MAINTENANCE SAFETY .......................................... 65
SH, LH, SHG and LHT Types (long tiller handle).... 53 MAINTENANCE SCHEDULE .................................... 67
SRG, LRG, SRT and LRT Types (remote control) ... 54 MANUAL RELIEF VALVE ................................... 24, 70
MOORING, BEACHING, LAUNCHING .................... 61
HARD STARTING OR STALLS AFTER
STARTING ................................................................ 98
Honda Publications ...................................................... 116
128
05/02/21 20:41:41 31ZW2600_130
INDEX
Oil Pressue Indicator ...................................................... 27 SHALLOW WATER OPERATIONS ........................... 58

OIL PRESSURE INDICATOR LIGHT GOES SPARE EMERGENCY STOP SWITCH CLIP AND
OFF AND ENGINE SPEED IS LIMITED ............. 101 EMERGENCY STARTER ROPE ............................ 66
OPERATION ................................................................. 39 Spark Plug Service ......................................................... 75
OTHER FEATURES ..................................................... 29 Specifications ............................................................... 112
OUTBOARD MOTOR SAFETY .................................... 7 Star Label ..................................................................... 110
Overheat Indicator .......................................................... 28 STARTING THE ENGINE ........................................... 43
OVERHEAT INDICATOR LIGHT COMES SH, LH, SHG and LHT Types (long tiller handle).... 43
ON AND ENGINE SPEED IS LIMITED .............. 102 SRG, LRG, SRT and LRT Types (remote control) ... 46
Overrev Limiter .............................................................. 30 STEERING..................................................................... 55
Oxygenated Fuels ......................................................... 107 SH, LH, SHG and LHT Types (long tiller handle).... 55
SRG, LRG, SRT and LRT Types (remote control) ... 55
PORTABLE FUEL TANK ...................................... 30, 42 Steering Friction Adjuster ........................................ 18, 55
Portable Fuel Tank and Filter Cleaning ......................... 81 STOPPING THE ENGINE ............................................ 51
Power Tilt Switch ........................................................... 23 Emergency Engine Stopping...................................... 51
Power Trim/Tilt Switch ................................................. 23 Normal Engine Stopping............................................ 51
Propeller Replacement ................................................... 84 STORAGE ..................................................................... 85
STORAGE PRECAUTIONS......................................... 90
Recoil Starter Grip (SH and LH types) .......................... 16 STORAGE PREPARATION......................................... 85
REFUELING.................................................................. 77 Cleaning and Flushing ............................................... 85
REMOVAL FROM STORAGE .................................... 91 Engine oil ................................................................... 90
Fuel ............................................................................. 88
SAFE OPERATING PRECAUTIONS ......................... 39 SUBMERGED MOTOR ............................................. 103
SAFETY LABEL LOCATIONS ..................................... 9
Serial Number Locations.............................................. 105
SERVICING YOUR OUTBOARD MOTOR ............... 64
129
05/02/21 20:41:44 31ZW2600_131
INDEX
Tachometer ..................................................................... 26 WIRING DIAGRAMS......................... Inside Back Cover

TAKING CARE OF UNEXPECTED PROBLEMS..... 95
TECHNICAL AND CONSUMER
INFORMATION ...................................................... 105
TECHNICAL INFORMATION .................................. 105
THE IMPORTANCE OF MAINTENANCE ................ 64
Throttle Friction Adjuster .............................................. 18
Throttle Grip ................................................................... 17
Tilt Lever
(manual tilt/SH and LH types) ................................... 19
(gas assist tilt/SHG, SRG and LRG types) ................ 19
Tilt Lock Lever
(SHG, LHT, SRG, LRG, SRT and LRT types) ......... 24
TOOL KIT...................................................................... 66
TRANSOM ANGLE ADJUSTMENT .................... 34, 40
Transom Angle Adjusting Rod ...................................... 25
TRANSPORTING ......................................................... 92
WITH OUTBOARD MOTOR INSTALLED
ON BOAT .............................................................. 92
WITH OUTBOARD MOTOR REMOVED
FROM BOAT ........................................................ 93
Trim Meter (optional equipment) .................................. 26
Trim Tab ................................................................... 25, 58
TRIM TAB ADJUSTMENT ......................................... 69
130
BF25D•BF30D
Owner’s Manual
31ZW2605
31ZW26
00X31-ZW2-6030
00X31-ZW2-6050 N 2eY1500.2005.03
Printed in Japan ©2005 Honda Motor Co., Ltd. -All Rights Reserved 2006
PANTONE 288 DIC F101 BLACK 31ZW2603 00X31-ZW2-6030

Manual Honda Bf25

Uploaded by

Copyright:

Available Formats

Manual Honda Bf25

Uploaded by

Document Information

Copyright

Available Formats

Share this document

Share or Embed Document

Sharing Options

Did you find this document useful?

Is this content inappropriate?

Copyright:

Available Formats

Manual Honda Bf25

Uploaded by

Copyright:

Available Formats

BF25D•BF30D

The engine exhaust from this

Instructions − how to use this outboard motor correctly and safely.

OUTBOARD MOTOR SAFETY .................................... 7 Gearshift/Throttle Control Lever

OTHER FEATURES ................................................. 29 STARTING THE ENGINE ....................................... 43

SERVICING YOUR OUTBOARD MOTOR ............... 64 STORAGE ..................................................................... 85

TAKING CARE OF UNEXPECTED TECHNICAL AND CONSUMER

WIRING DIAGRAMS......................... Inside Back Cover

OUTBOARD MOTOR SAFETY

OUTBOARD MOTOR SAFETY

Refuel With Care Carbon Monoxide Hazard

Remove any portable fuel tank

Refuel carefully to avoid spilling

After refueling, tighten the filler

OUTBOARD MOTOR SAFETY

SAFETY LABEL LOCATIONS

(SHG, SRG and LRG types)

CONTROLS AND FEATURES

TYPE CODE (Example)

G=Gas assist Tilt

CONTROLS AND FEATURES

COMPONENT AND CONTROL LOCATIONS

ANODE TILT LOCK LEVER

GEAR OIL LEVEL EXHAUST PORT

WASH PLUG GEAR OIL PROPELLER

CONTROLS AND FEATURES

POWER TRIM/TILT SWITCH

CONTROLS AND FEATURES

SRG, LRG, SRT and LRT Types (remote control)

GEAR OIL LEVEL ANTIVENTILATION

WASH PLUG PROPELLER

CONTROLS AND FEATURES

Remote Control box (side-mount type)

NEUTRAL RELEASE LEVER

OIL PRESSURE INDICATOR LIGHT

BUZZER (inside of the box) FAST IDLE LEVER

IGNITION SWITCH IGNITION SWITCH KEY

THROTTLE FRICTION ADJUSTER

CONTROLS AND FEATURES

Fuel Tank Tachometer

FUEL FILLER CAP

FUEL HOSE CONNECTOR

CONTROLS AND FEATURES

CONTROLS Ignition Switch Turning the ignition switch key to the

Pull the starter grip to operate the

The engine will not start unless the

CONTROLS AND FEATURES

When used as described, the

The throttle grip controls engine

An index mark on the tiller arm

CONTROLS AND FEATURES

Throttle Friction Adjuster Gearshif t Lever Steering Friction Adjuster

CONTROLS AND FEATURES

CONTROLS AND FEATURES

Turning the ignition switch to the

The ignition switch controls the LANYARD

CONTROLS AND FEATURES

The switch clip must be inserted in Fast Idle Lever

When used as described, the

A spare switch clip is stored in a slot FAST IDLE LEVER