Honda BF8

31ZW8601
00x31-ZW8-60 10
@ 0CHC) 2000.2001.06
Printed in Japan 2002
0 2001 Honda Motor Co., ttd. -All Rights Reserved
The engine exhaust from this
product containschemicals
known to the State of California to
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 specificationsincluded 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.
INTRODUCTION
Congratulations on your selection of We suggest you read the warranty
a Hondaoutboard 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. The warranty policy is a
outboard motors on the market. separate document that should have
been given to you by your dealer.
We want to help you get the best
results from your new outboard When your outboard motor needs
motor and to operate it safely. This scheduled maintenance, keep in mind
manual contains the information on that your Honda marine dealer is
how to do that; please read it specially trained in servicing Honda
carefully. outboard motors. Your Honda marine
dealer is dedicated to your
As you read this manual you will satisfaction and will be pleased to
find information preceded by a answer your questions and concerns.
1- symbol. That information 02001 Honda MotorCo., Ltd. All

is intended to help you avoid damage Rights Reserved
to your outboard motor, other
property, or theenvironment.
1
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 A 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 notpractical 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
CONTENTS
OUTBOARD MOTOR SAFETY.................................... 7 Common Controls

IMPORTANT SAFETY INFORMATION ................. 7 Engine Cover Latch ............................................... 20
SAFETY LABEL LOCATIONS ................................. 9 Transom Angle AdjustingRod .............................. 20
Steering Friction Lever.......................................... 21
CONTROLS AND FEATURES ................................... 10 Tilt Lever ................................................................ 21
CONTROL AND FEATURE INSTRUMENTS........................................................ 21
IDENTIFICATION CODES ................................. 10 Fuel Gauge ............................................................. 21
COMPONENT AND CONTROL LOCATIONS..... 11 INDICATORS............................................................ 22
CONTROLS............................................................... 14 Oil Pressure Indicator(R type) (H type)................ 22
H Type (tiller handle) Overheating Indicator(R type) .............................. 22
Engine Stop Switchand Switch Clip..................... 14 Cooling System Indicator...................................... 23
Choke Knob (H type manual choke) ..................... 14 OTHER FEATURES ................................................. 23
Throttle Grip........................................................... 15 Overrev Limiter...................................................... 23
Throttle FrictionDial ............................................. 15 Automatic Choke (equipped type only) ................. 23
Gearshift Lever...................................................... 15 Anodes .................................................................... 23
Recoil Starter Grip ................................................. 16 Portable Fuel Tank ................................................. 24
Electric Starter Button (models equipped Fuel Cap Vent Knob.............................................. 24
with electric starter) ............................................ 16 Fuel Priming Bulb.................................................. 24
R Type (remote control)
Ignition Switch....................................................... 16
Switch Clipand Emergency Stop Switch.............. 17
Fast Idle Lever ........................................................ 18
GearshifdThrottle Control Lever ........................... 18
3
CONTENTS
INSTALLATION........................................................... 25 PORTABLE FUEL TANK ........................................ 34

POWER REQUIREMENTS...................................... 25 FUEL HOSE CONNECTIONS ................................. 34
BOAT TRANSOM REQUIREMENTS .................... 25 FUEL PRIMING........................................................ 35
INSTALLATION POSITION................................... 26 STARTING.THE ENGINE....................................... 35
ATTACHMENT ........................................................ 26 H Type(tiller handle) ............................................. 35
TRANSOM ANGLE ADJUSTMENT ...................... 27 R Type (remote control)......................................... 38
BATTERY CONNECTIONS.................................... 27 EMERGENCY STARTING...................................... 40
STOPPING THE ENGINE ........................................ 43
BEFORE OPERATION................................................. 30 Emergency Engine Stopping................................. 43
ARE YOU READY TO GET UNDERWAY ? ...... 30 Normal Engine Stopping ........................................ 43
IS YOUR OUTBOARD MOTOR GEARSHLFTING AND
READY TO GO ? ................................................. 30 THROTTLE OPERATION............................... 45
H Type(tiller handle) ............................................. 45
OPERATION ................................................................. 32 R Type (remote control) ......................................... 46
SAFE OPERATING PRECAUTIONS..................... 32 STEERING ................................................................ 47
BREAK-IN PROCEDURE........................................ 32 H Type (tiller handle) ............................................. 47
TRANSOM ANGLE ADJUSTMENT ...................... 33 R Type (remote control) ......................................... 47
CRUISING ................................................................. 48
SHALLOW WATER OPERATION ......................... 49
MOORING. BEACHING. LAUNCHING ................ 50
4
CONTENTS
SERVICING YOUR OUTBOARD MOTOR ............... 51 STORAGE ..................................................................... 71

THE IMPORTANCEOF MAINTENANCE ............ 51 STORAGE PREPARATION .................................... 71
MAINTENANCE SAFETY...................................... 52 Cleaning and Flushing........................................... 71
I TOOL KIT AND EMERGENCY STARTER Fuel ......................................................................... 73
ROPE ...................................................................... 53 Engine Oil .............................................................. 75
MAINTENANCE SCHEDULE................................ 54 STORAGE PRECAUTIONS .................................... 75
ENGINE COVER REMOVAL AND REMOVAL FROM STORAGE................................ 76
INSTALLATION................................................... 56
Engine Oil Level Check............................................. 56 TRANSPORTING ......................................................... 77
Engine Oil Change ..................................................... 57 WITH OUTBOARD MOTOR INSTALLED
Oil Filter Change ........................................................
BOAT 58 ON .............................................................. 77
Engine Oil Recommendations ................................... 59 WITH OUTBOARD MOTOR REMOVED
Gear Oil Level Check................................................. 59 FROM BOAT ........................................................ 77
Gear Oil Change ......................................................... 60
Lubrication Points ...................................................... 62
Spark PlugService ..................................................... 63
REFUELING .............................................................. 65
FUEL RECOMMENDATIONS................................ 66
Fuel PumpFilter Inspection and Replacement.......... 66
Portable Fuel Tank andFilter Cleaning ..................... 68
Recoil Starter Rope Inspection .................................. 69
Anode Replacement................................................... 69
Propeller Replacement ............................................... 70
CONTENTS
TAKING CARE OF UNEXPECTED

PROBLEMS........................................................... 78
BATTERY WILL NOT CHARGEAND
ELECTRIC STARTER WILL NOT OPERATE .. 83
OIL PRESSURE INDICATOR LIGHT GOES OFF
AND ENGINE SPEED IS LIMITED .................... 84
OVERHEATING INDICATOR LIGHT COMES
ON AND ENGINE SPEED IS LIMITED
(remote control type).......................................... 85
SUBMERGED MOTOR........................................... 86
TECHNICAL AND CONSUMER INFORMATION... 88

TECHNICAL INFORMATION................................ 88
Serial Number locations ......................................... 88
Carburetor Modification forHigh Altitude
Operation ............................................................ 89
Oxygenated Fuels................................................... 90
Emission Control System Information.................. 91
Star Label............................................................... 93
Specifications............................... :......................... 95
CONSUMER INFORMATION................................ 97
WIRING DIAGRAMS................................................... 98
INDEX.......................................................................... 101
6
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 BF8D/BFP8D/BF9.9D and provide the necessary safeguards 0 Always wear a PFD (Personal
BFP9.9D outboard motors are to protect people and property. Flotation Device) while on the
designed for use with boats that have Know how to stop the engine boat.
a suitable manufacturer’s power quickly in case of emergency.
recommendation. Other uses can Understand the use of all controls. 0 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 0 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 0 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
Refuel With Care Carbon Monoxide Hazard
Gasoline is extremely flammable, Exhaust gas contains poisonous
and gasolinevapor 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 fueltank away from
the battery or otherpotential 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
SAFETY LABEL LOCATIONS
Q ~,':,",",",",'pd,",S"*'
CAREFULLY
HARMFULORFATAL IF SWALLOWED
K E E PO U TO FR E A C HO FC H I L D R E N
I FS W A L L O W E D . D ON O TI N D U C E
A PHYSICIAN
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 servicing dealer for a replacement.
9
CONTROLS AND FEATURES
CONTROL AND FEATURE IDENTIFICATION CODES
1
Type XRA
X
Tiller Handle
Remote Control R
Electric Starter S S S S S S S S
Power Thrust Propeller P P P P P P
Battery Charging DC Receptacle 0 0 0 0 0
Refer to this chart foran explanation of the Type Codes used in this manual to identify control
and feature applications.
BWD/BF9.9D/BFP8D/BFP9.9D are 0 According to Shaft Length (Example)

provided with the following types according S: Short Shaft H S A
to the shaft length, control system, and start L: Long Shaft T T T
LL
system. X: Extra Long Shaft Destination
0 According to Control System A=United States
H: Tiller Handle Control S=Electric Starter
R: Remote Control R=Remote Control
H=Tiller Handle
S=Short Shaft
L=Long Shaft
X=Extra Long Shaft
10
I CONTROLS AND FEATURES
COMPONENT AND CONTROL LOCATIONS
H Type (tiller handle)
STARTER GRIP ELECTRIC STARTER CHOKE KNOB
BUTTON
ENGINE STOP
SWITCH
CHECK BOL ANTIVENTILATION
LANYARD
/ I'
COOLING WATER
INTAKE PORT EXHAUST PORT
GEAR OIL I
DRAIN BOLT PROPELLER
11
R Type (remote control)
STARTER GRIP WATER HOSE GEARSHIFTiTHROTTLE
JOINT HOLE CONTROL LEVER
OIL FILLER CAP
\ ENGINE COVER \
(Inside engine cover)
I \ NEUTRALRELEASE
LEVER
/
ICATOR LIGHT
CATOR LIGHT
REMOTE CONTROL
FRICTION ADJUSTER
ENGINE
OIL "v NTILATION
DRAIN SCREW
/ I ' I
COOLING WATER
INTAKE PORT EXHAUST PORT
SWITCH
CLIP
GEAR OIL I
DRAIN BOLT PROPELLER
12
FUEL GAUGE VENT KNOB
FUEL TANK
FUEL CAP I
FUEL HOSE
PRIMING BULB
‘FUEL HOSE CONNECTOR

(FEMALE)
13
CONTROLS The engine stop switch has controls Choke Knob (H type manual
for normal engine stopping and choke)
H Type (tiller handle) emergency engine stopping.
CHOKE KNOB
Engine Stop Switchand-Switch The switch clip must be inserted in
Clip the engine stop switch in order for
the engine to start and run. The
ENGINE 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 engine

stop switch and lanyard system stops
the engine if the operator falls away The choke knob opensand closes the
from thecontrols. choke valves in the carburetors.
A spare switch clip is supplied with The CLOSED position enriches the
the tool kit. fuel mixture for starting a cold
engine.
SWITCH CLIP
The OPEN position provides the
correct fuel mixture for operation
after starting, and for restarting a
warm engine.
LANYARD
14
Throttle Grip Throttle Friction Dial Gearshift Lever
THROTTLE INDEX
FRICTION DIAL
ANyeutrau
R (reverse)
I
THROTTLE GRIP b THROTTLE GRIP
The throttle grip controls engine The throttle friction dial adjusts The gearshift lever is used to select F
speed. resistance to throttle grip rotation. (forward), N (neutral), or R (reverse)
gears.
An index markon the tiller arm Turn the dial clockwise toincrease
shows throttle position and is helpful friction for holding a throttle setting The engine can bestarted with the
for setting the throttle correctly when while cruising. gearshift lever in the N (neutral)
starting (p. 36 ). position only.
Turn the dial counterclockwise to
decrease friction for easy throttle grip If the gearshift lever is in the F
rotation. (forward) or R (reverse) position, the
recoil starter will not operate, and the
electric starter button (applicable
models) will not operate the starter
motor.
15
Recoil Starter Grip Electric Starter Button (models R Type (remote control)
equipped with electric starter)
\ STARTER GRIP
/
For panel-mount or top-mount
remote control information, refer to
the instructions provided with the
remote control equipment.
Ignition Switch (side-mount

type)
ELECTRIC STARTER
BUTTON
Pull the starter grip to operate the Press the starter button to operate the
recoil starter for starting the engine electric starter for starting the engine.
manually.
The electric starter button can be
The recoil starter will operate only used to operatethe starter motor only
when the gearshift lever (p. 15 ) is in EMERGENCY
when the gearshift lever(p. 15 ) is in STOP SWITCH
the N (neutral) position, and the clip the N (neutral) position, and the clip
is in the engine stopswitch or the is in the engine stop switch. CLIP
emergency stop switch.
The ignition switch controls the
ignition system and starter motor.
16
I
I Turning the ignition switch key to the Switch Clip and Emergency Stop The switch clip must be inserted in
START position operates the starter Switch (side-mounttype) the emergency stopswitch in order
motor. The key automatically returns for the engine to start and run. The
to the ON position when released EMERGENCY lanyard must be attached to the
from the START position. STOP SWITCH operator’s PFD (Personal Flotation
Device) orworn around the wrist as
The ignition switch can be used to shown.
operate the starter motor onlywhen
the gearshift lever (p. 15 ) is in the N When used as described, the
(neutral) position, and the switch clip emergency stop switch and lanyard
is in the emergency stop switch. system stops the engine if the
operator falls away from the controls.
Turning the ignition switch to the
OFF position stops the engine. A spare switch clip is stored in a slot
I LANYARD in the control housing.
SWITCH CLIP
I LANYARD
SWITCH CLIP
SPARE SWITCH CLIP
17
CQNTROLS AND FEATURES
Fast Idle Lever Gearshift/Throttle Control
Lever (side-mount type)
(side-mount type)
GEARSHIFTRHROTTLE
0 MAXIMUM
FAST
IDLE
CONTROL LEVER
POSITION
IDLE LEVER
The control lever automatically locks

itself in the N (neutral) position. To
move the lever outof the N (neutral)
The fast idle lever
is provided with Leave the fast idle lever in the lowest position, you must squeeze the
the engine idlespeed adjusting position to provide a rich fuel neutral release lever on the underside
function. mixture for starting a cold engine. of the lever handle.
The lever will not move unless the Lift the fast idle lever warm
to up a
gearshifdthrottle control lever isin cold engine afterstarting and to start
the N (neutral) position. Conversely, a warm engine.
the gearshiftkhrottle control lever
will not move unless the fast idle
lever is in the lowest position.
18
The gearshifdthrottle control lever
controls engine speed and selects F
(forward), N (neutral), or R (reverse)
gears.
GEARSHIFTRHROTTLE
Moving the control lever 30" from N CONTROL LEVER
(neutral) selects the gear, and further \
movement increases engine speed.
A friction adjuster near the base of

the control lever adjusts the operating
resistance of the control lever (p. 46 ). NE
D
Less friction allows easier control
lever movement. More friction helps
to hold a steady throttle setting while
cruising.
19
Common Controls Transom Angle Adjusting Rod
a,k
Engine Cover Latch The transomangle adjusting rod
limits the tilt angle of the outboard
motor when fullylowered.
(R type / XH type)
.....
.....
ADJUSTING ROD
ENGINE COVER Proper adjustmentprevents the

LATCH outboard motorfrom being trimmed
too low (p. 48 ).
ADJUSTING ROD
The engine coverlatch fastens the

engine cover to the outboard motor.
20
Steering Friction Lever Tilt Lever INSTRUMENTS
Fuel Gauge
STEERING FRICTIONLEVER
The steering friction lever adjusts The tilt lever enables the outboard A fuel gauge is built into the cap of
steering resistance. motor to be raised for shallow water the portable fuel tank.
operation, beaching, launching, or
Less friction allows the outboard mooring.
motor to turn more easily. More
friction helps to hold steady course To tilt, move the lever to the TILT
while cruising or to prevent the position, then raise the outboard
outboard motor from swinging while motor until the tilt mechanism
trailering the boat. engages at 30", 45", or 71" (p. 49).
21
INDICATORS When the green light is lit, oil Overheating Indicator
pressure is OK. (Rtype)
Oil Pressure Indicator
(Rtype) If oil pressure becomes low, the
green light will go off, and the
engine protection system will limit
engine speed.
Remote controls are also equipped

with a buzzerthat sounds whenthe
green light goes off.
Low oil pressure indicates that the

engine oil level is low, or that there is
a problemwith the engine lubrication If the engine overheats, the red light
system. will come on, andthe engine
protection system will limit engine
speed.
Remote controls are also equipped

with a buzzerthat sounds whenthe
red light comes on.
Engine overheating may be the result

of clogged waterintakes.
OIL PRESSURE INDICATOR LIGHT
22
Cooling System Indicator OTHER FEATURES Anodes
Overrev Limiter
The engine isequipped with an
overrev limiter to prevent the
possibility of mechanical damage
from excessive engine speed.
The overrev limiter may be activated

during operation, limiting engine
speed, if the outboard motor is tilted
excessively, or when ventilation
occurs during a sharp turn.
COOLING SYSTEM INDICATOR If the overrev limiter is activated,
check the trim angle of the outboard
Water should flow from thecooling motor. The anodes are made of a sacrificial
system indicator while the engine is material that helps to protect the
running. This shows that water is Automatic Choke (R type/HS outboard motor from corrosion.
circulating through the cooling type)
system. There aretwo anodes on the gear
The engine is equipped with an case.
If water stops flowing while the automatic choke so that the choke
engine is running, that indicates a system operation is not needed when
cooling system problem, such as starting the engine.
clogged water intakes, which will
cause engine overheating.
23
Portable Fuel Tank Fuel Cap Vent Knob Fuel Priming Bulb
VENT KNOB OUTLET END

(MOTOR)
NG BULB
/
' INLET END
(TANK)
The portable fuel tank has a capacity The cap isprovided with a vent knob A priming bulb is built into thefuel
of 3.2 US gal (1212 ) and has a fuel to seal the portable fuel tank for hose that connects the fueltank to the
gauge built into the cap. carrying it to and from theboat. outboard motor.
Open the vent knob 2 or 3 turns
before starting the engine (p. 34 ). Before starting the engine, squeeze
the priming bulb until it feels firm.
This will ensure that fuel is supplied
to the engine (p. 35 ).
24
INSTALLATION
Correct and secure installation is BOAT TRANSOM The antiventilation plate of the
essential for safeboating and good REQUIREMENTS outboard motor should be 0 - 2.0
performance. Follow the installation inches below the bottom of the boat.
instructions provided in this manual. Honda BF8D/BFP8D/BF9.9D and With the boat in the water and loaded,
BFP9.9D outboard motors can be the antiventilation plate should be
POWER REQUIREMENTS installed on aboat transom having a about 3.9 inches below the surface of
thickness range of 1.3 - 2.2 inches the water.
Before installation, check to besure (35 - 57 mm).
that the outboard motor does not
exceed the recommended maximum INSTALLATION POSITION
horsepower for the boat on which it
is to be installed. Refer to the boat’s
certification plate for recommended
TRANSOM
maximum horsepower. If the
certification plate information is not
available, contact the boat dealer or
manufacturer.
For most applications, the outboard

motor should have ahorsepower
rating which provides 80% of the CENTER LINE
maximum recommended horsepower
for the boat.
Install the outboard motor on the
center of the boat transom.
25
INSTALLATION
If the outboard motor is installed too ATTACHMENT Attach the stembracket to the boat
low, the boat will squat and be hard transom by tightening the clamp
to plane, it will tend to porpoise, and screws.
high-speed stability will be reduced.
Attach a ropefrom the boat to the
If the outboard motor is installed too hole in the stern bracket. This will
high, that will cause ventilation. help to prevent accidental loss of the
outboard motor.
Optimum installation height varies
with boat type and bottom shape. You may further secure the outboard
Contact theboat manufacturer for motor by bolting the stembracket to
any special recommendations that are the boat transom. Use the optional
unique to a specificmodel of boat. CLAMP SCREW mounting bolt and nut kit or other
good quality stainless steel bolts, nuts,
If the transom needs to be modified WASHER LOCK NUT and washers. Apply silicone sealant
to accommodate the outboard motor, to the boltholes.
contact theboat manufacturer and
follow their recommendations for
corrective action.
/
MOUNTING HOLE
26
INSTALLATION
TRANSOM ANGLE BATTERY CONNECTIONS The battery should be kept in a

ADJUSTMENT corrosion-resistant battery box that is
securely mounted in a location away
Use thetransom angle adjustment rod from the fueltank and protected
(p. 33 ) to adjust the angleof the from water and direct sunlight.
outboard motor so the propeller is
perpendicular to the surface of the Types With Electric Starter
water.
These types are equipped with
battery cables. The positive (+) cable
has a red band at the battery
connector. The negative (-) cable has
BATTERY a black band at the battery connector.
Honda BFSD/BFPSD/BF9.9D and For electric starter operation, use a

BFP9.9D outboard motors produce a 12-volt battery with an ampere-hour
12-volt, 12-ampere battery-charging rating of at least 35 Ah.
current and are equipped for
connection to a 12-volt battery. The Types Without Electric Starter
battery-charging circuit is protected
by a 20-ampere fuse located in the These types are equipped with a 12-
engine compartment. volt dc battery-charging receptacle
which can be wired to a 12-volt
The outboard motor’s 12-volt output battery to power lights and electrical
is intended for battery charging only. accessories for the boat.
Lights and electrical accessories for
the boat should be connected to the
battery.
27
INSTALLATION
Plug and Receptacle Battery Terminals
(models without electric starter)
( + ) TERMINAL
I - TO BATTERY
DC RECEPTACLE
- TO ACCESSORIES BLACK or GREEN
To prepare the outboard motor for Battery Connect the positive(+) battery cable
connection to a battery, pull the cover to the positive(+) battery terminal,
out of the DC receptacle, connect Minimum Requirements then connect thenegative (-) battery
your battery charging wires to the cable to the negative (-) battery
receptacle. Attach the connectedDC 12V-35AH terminal.
receptacle on theholder on the tiller
arm. The negative (-) battery cable should
always be removed from thebattery
The receptacle is provided with a when connecting or disconnecting
cover, which should be attached the positive (+) battery cable, so tools
when the plug is removed, in order to cannot cause a short circuit if they
keep thereceptacle clean and dry. touch a grounded part while being
used on the positive(+) battery
terminal fitting.
28
INSTALLATION
piEi-1
Be careful to avoid connecting the
battery in reverse polarity, asthat
will damage the battery-charging
system in the outboard motor.
29
BEFORE OPERATION
ARE YOU READY TO GET Safety
UNDER WAY ?
Always wear a PFD (Personal Improperly maintaining
Your safety isyour responsibility. A Flotation Device) while on the boat. this outboard motor, or
little time spent in preparation will failing tocorrect a problem
significantly reduce your risk of Attach the emergency stop switch before operation, could
injury. lanyard securely to your PFD or to cause a malfunction in
your wrist. which you couldbe
Knowledge seriously injured.
IS YOUR OUTBOAaD
Read and understand this manual. MOTOR READY TO GO ? Always perform a
Know what the controlsdo 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 theignition switch is
you find, orhave 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.
30
BEFORE OPERATION
~ ~
Safety Inspection Maintenance Inspection

Look around the outboard motor Check the engine oil level (p. 56).
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, andthe castle nut is
the boat (p. 34). secured with the cotter pin (p. 70 ).
Check that the fuel hose is Check that the anodes are securely
undamaged andproperly attached to the gear case (p. 69 )
connected (p. 34 ). and are not excessively worn. The
anodes help to protect the outboard
Wipe up any spills before starting motor fromcorrosion.
the engine.
Make sure the tool kit and
Check the stem bracket to be sure emergency starter rope are
the outboard motoris securely onboard (p. 53 ). Replace any
installed. missing items.
Check that all controls are Check the fuel level in the fuel
operating properly. tank (p. 65 ).
Replace any damaged parts.
Check that all fasteners are in

place and securely tightened.
31
OPERATION
SAFE OPERATING BREAK-IN PROCEDURE Next 66) 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-throttlebursts are OK, but
practice with its controls. life. do not operate the engine
continuously at full throttle.
Before operating theoutboard 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 enginein an enclosed Run the engineup to a maximumof Do not run the engine at full throttle
area. Your engine’sexhaust 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 causeillness or
death.
32
OPERATION
TRANSOM ANGLE The transom angle adjusting rod (SH type/LH type)
ADJUSTMENT limits the tilt angle of the outboard Push the rod in and hook the endof
(RtypeEH type) motor when fully lowered. the rod. Then release the rod.
UNLOCKED ADJUSTING ROD Proper adjustment prevents the m

POSITION outboard motor from being trimmed Do not allow waterto enter the idle
too low (p. 48). exhaust port or the engine can be
NGE damaged.
To adjust, first tilt the outboard
motor so it is not resting on the rod.
(R type/XH type)
Push the rod in and turn the end of
the rod up, so the latch will fall into
LOCKED POSITION TO LOCK line with the rod.
(SH type/LH type) (SH type/LH type)

Pinch the end of the rod.
Remove therod and reinsert it in the

desired position.
IDLE EXHAUST PORT
(R type/XH type)
Push the rod in and turn the end of
the rod down, so the latch will fall to
ADJUSTING ROD f the locked position. Then release the
LOCKED POSITION
/ PINCH rod.
33
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 fueltank vent

by turning the vent knob at least 2 or
3 turns counterclockwise.
Gasoline is highly
flammable and explosive. (FUEL TANK SIDE)
FUEL HOSE CONNECTOR
You can be burned or \ I
Place the portable fuel tank in a well- seriously injured when
ventilated location, away from direct handling fuel.
sunlight, to reduce the possibility of a
gasoline vapor explosion. Stop the engineand keep
I heat, sparks, and flame
To ensure that the outboard motor away.
will be ableto 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
(OUTBOARD MOTOR SIDE)
than 3 feet below the fuel connector immediately.
on the outboard motor. Connect the fuel hoseto the tank and
the outboard motor, as shown. Be
sure both connectors snap securely
into place.
34
OPERATION
FUEL PRIMING STARTING THE ENGINE The enginewill not start or run,
unless the clip is in the switch.
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.
Always attach the lanyard to your

PFD, or to your wrist, before
I7 (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
that fuel has reached the carburetor. II - LANYARD
Check to be sure there are no fuel 1. Put the emergency stop switch clip
leaks before starting the engine. in the engine 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 carburetors.
35
OPERATION
START POSITION
THROTTLE GRIP
CHOKE KNOB
GEARSHIFT LEVER
2. Check the position of the gearshift (manual choke type) 4. Do not turn the throttle grip before
lever. It must bein the N (neutral) 3. To start a cold engine, pull the starting and align the START
position for starting. choke knobto the CLOSED position with the pointer for
position. To restart a warm engine, starting the engine.
The enginewill not start if the leave the choke knob in the OPEN
gearshift lever is in the F (forward) position.
or R (reverse) position.
36
OPERATION
1 STARTER GRIP Electric starter

(electric starter model)
6. If the choke knobwas pulled to
the CLOSED position to start the
Press the electric starter button and engine, gradually push it to the
hold it there until the engine starts. OPEN position as the engine
warms up.
When the enginestarts, release the
button. Also, as the engine warms up, the
throttle grip can be turned to the
If the engine failsto start within 5 SLOW position without stalling.
seconds, release the button, and
wait at least 10 seconds before 7. Before getting under way, allow
operating the starter again. the engine to warm up sufficiently
to ensuregood performance.
Using the electric starter f or more During the warm-up period, check
than 5 seconds at a time will the oil pressure indicator (p. 22 )
overheat the starter motor and can and cooling system indicator (p.
damage it. 23 ).
ELECTRIC STARTER
BUTTON Pushing the electric starter button If the indicators show any
while the engine is running can abnormal condition, immediately
damage the starter motor and stop the engineand determine the
5. Recoil starter flywheel. cause of the problem. Refer to
Pull the recoil starter grip slowly TAKING CARE OF
until you feel resistance, then pull UNEXPECTED PROBLEMS,p.
briskly. 78.
Return the starter grip gently.
37
OPERATION
R Type The engine will not start or run,

N (neutral)
(remote control) unless the clip is in the switch.
I
For panel-mount or top-mount The emergency stop switch clip
remote control information, refer to and lanyard system is a safety
the instructions provided with the device that will stop the engineif
remote control equipment. you fall away from the controls
while operating the boat.
Side-Mount Type
Always attach the lanyard to your
-4 PFD, or toyour wrist, before
2. Set the control lever in the N

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

(forward) or R (reverse) gears are
SWITCH
CLIP LANYARD engaged.
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.
38
OPERATION
I
a FAST
IDLE
W I
Using the electric starter for more
than 5 seconds at atime will
overheat the starter motor and can
damage it.
Turning the ignition switch key to

the START position while the
engine is running can damagethe
starter motor and f lywheel.
FAST IDLELEVER IGNITION SWITCHKEY
3. To start a cold engine, leave the 4. Turn the ignition switch key to the
fast idle lever in the OFF (fully START position and hold it there
lowered) position. until the engine starts.
To restart a warmengine, raise the When the engine starts, release the
fast idle lever. key, allowing it to return to the ON
position.
Fast idle lever cannot beraised
unless the control lever is in the N If the engine failsto 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.
39
OPERATION
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 and therecoil starter are
Above 41°F (5"C), warm up the inoperative, you can start the engine
engine for 2 or 3 minutes. manually using the emergency starter
rope supplied with the tool kit.
Below 41°F (5"C), warm up the
engine for at least 10 minutes at
2,000 rpm.
During thewarm-up period,

check theoil pressure indicator
(p. 22 ), overheating indicator (p.
5. If the fast idle lever
was used to 22 ), and cooling system
start the engine,gradually lower indicator (p. 23 ).
the lever as the engine warms up.
l b
If the indicators show any
When the fast idle lever is fully abnormal condition,
lowered, the control levercan be immediately stop the engine and
moved away from the N (neutral) determine the cause of the ENGINE COVER LATCH
position. problem. Refer to TAKING
CARE OF UNEXPECTED 1. Unlatch and remove the engine
PROBLEMS, p. 7 8 . cover.
40
OPERATION
NEUTRAL START CABLE RECOIL STARTER FLYWHEEL (STARTER PULLEY)

FLANGE BOLT ASSEMBLY
RECOIL STARTER
ASSEMBLY
2. Move the shift leverto the F

(forward) position. Loosen the 4. Set the knotted end of the 5. Pull the emergency starter rope
neutral start cable lock nut and emergency starter rope in the notch slowly until resistance is felt, then
disconnect the neutral start cable. in the flywheel. Wind the rope pull briskly.
Unscrew the three bolts and clockwise around the flywheel, as
remove the recoil starter assembly. shown. Keep away from moving parts
while pulling the rope.
3. Set the controls the same as for
normal starting (see pages 35 - If necessary, rewind the rope and
40 ). Use the chokeand fast idle pull again. If the enginedoes not
controls if needed. start after several attempts, refer to
TAKING CAREOF
Turn the ignition switch key to the UNEXPECTED PROBLEMS,p.
ON position. 78.
41
OPERATION
6. If the choke and fast idle control(s) 8. If it was necessary to remove the
was used to start the engine, return emergency stop switch lanyard
the control(s) to the normal Exposed moving parts can from your wrist to perform the
operating position as the engine cause injury. emergency starting procedure, be
warms up. sure thelanyard is attached to your
Do not operate the wrist before operating the
During the warm-up period, check outboard motor without outboard motor.
the oil pressure indicator (p. 22 ), the enginecover.
overheating indicator (p. 22 ), and 9. Have your closest authorized
cooling system indicator (p. 23 ). Use extreme care when Honda marine dealer checkyour
installing the engine electrical system and correct the
7. Leave the recoil starter assembly cover. problem, so you can use the
off, but install the engine cover (p. electric starter.
20 ), and lock it in place by
latching the engine coverlatch. The recoil starter assembly (p. 41 )
should be reinstalled after the
electric starter is working again.
Install the recoil starter assembly
with the engine stopped.
42
OPERATION
STOPPING THE ENGINE Normal Engine Stopping
Emergency Engine Stopping
LANYARD
I
N (neutral)
SWITCH CLIP
To stop the engine in an emergency,
pull the clip outof the engineor
emergency stop switch by pulling the
lanyard.
We suggest that you stop the engine

this way occasionally to verify that
the engine oremergency stop switch
is operating properly.
1. Move thethrottle grip to the
slowest speed and control gears to
N (neutral) position.
43
OPERATION
3. When the boat is not in use,
remove and store the ignition key
and the emergency stop switch clip
and lanyard.
ENGINE STOP SWITCH
KEY
2. Turn the ignition switch key to the

OFF position or press the engine
stop switch until the engine stops.
OPERATION
GEARSHIFTING AND To shift gears, turn the throttle grip to
THROTTLE OPERATION the SLOW position, then move the THROTTLE
gearshift lever to select F (forward),
H Type (tiller handle) N (neutral) or R (reverse) gears.
The engine can be started with the
gearshift lever in the N (neutral)
position only.
The throttle grip can be turned to the

FAST position only when the /
gearshift lever is in the F (forward) THROTTLE GRIP
position.
Use the throttle friction dial to help

hold a constant throttle setting while
cruising.
Turn the dial clockwise to increase

throttle grip friction for holding a
constant speed.
Turn thedial counterclockwise to

decrease friction for easy grip
rotation.
45
OPERATION
R Types To shift gears, move thecontrol lever
(remote control) to select F (forward), N (neutral) and
R (reverse) gears.
Side-Mount Type TO INCREASE
The control lever cannot be moved
CQNTROL from the N (neutral) position unless
LEVER the neutral release lever is squeezed.
Moving the control lever beyond the

gear selection range increases engine TO DECREASE
FRICTION
speed. ADJUSTER FRICTION
NEUTRAL
RELEASE LEVER Adjust the throttle friction adjuster so
the control lever will hold a constant
throttle setting while cruising.
46
OPERATION
STEERING R Type
(remote control)
Steer the boat in the same manner as
an automobile.
STEERING FRICTION LEVER
Steer by moving the tiller handle Use the steering friction lever to help
opposite the direction you want the hold a steady course while cruising.
boat to turn.
Move the lever to the LOCK
direction to increase steering friction
for holding a steady course.
Move the lever to the FREE direction

to decrease friction for easy turning.
47
OPERATION
CRUISING If engine speed becomes unstable at Trim
high speed due to activation of the
Engine Speed overrev limiter, reduce speed and Install the outboard motor at the best
check thetrim angle of the outboard trim angle for stable cruising and
For best fuel economy, limitthe motor. maximum power.
throttle opening to 80%. Use the
throttle friction control (p. 45 ) to Trim angle toolarge: Incorrect
help you hold a steady speed. causes boat to “spuat’ ’.
For rough water conditions or large Trim angle toosmall: Incorrect

waves, slow down to prevent the causes boat to “plow”.
propeller from rising out of the water.
It is necessary to trim the angle of the
The engine is equipped with an outboard motor to compensate for
overrev limiter to prevent the changes in boat load, weight
possibility of mechanical damage distribution, water conditions, or
from excessive engine speed. propeller selection.
If, forexample, the outboard motor Under normal conditions, theboat

is tilted excessively, or ventilation will perform best when the
occurs during a sharpturn, the engine antiventilation plate is level with the
may overrev, activating the overrev water.
limiter.
When cruising into a high wind, trim
the outboard motor down slightly to
level the boat and improve stability.
With a tail wind, trim the outboard
motor up slightly.
48
OPERATION
SHALLOW WATER To tilt the outboard motor, move the

W I OPERATION tilt lever to the TILTposition, then
Excessive trirnltilt angle during raise the outboardmotor to the30" or
operation can cause propeller When operating in shallow water, tilt 4.5" position by pulling on the engine
ventilation, overheating, and water the outboard motor, using the tilt cover grip.
pump damage. lever, so the propeller and gear case
won't hit the bottom. pEq
I Motor
Angle
(Cruising) Do not use the tiller handle as a
lever to raise the outboard motor.
Applying excessiveforce to the tiller
handle can damageit.
While theoutboard motor is tilted,

proceed at a low speed, and do not
operate the outboard motor in reverse.
The outboard motor will rise
45" suddenly if operated in reverse.
CORRECT Monitor water flow fromthe cooling

GIVES MAXIMUM PERFORMANCE system indicator (p. 23 ) to be sure
the outboard motor is not tilted so
high the water intake is out of the
water.
49
OPERATION
ENGINE COVER GRIP MOORING, BEACHING,

LAUNCHING
An excessive tilt angle during
operation cancause propeller
ventilation, overheating,and water
pump damage.
,
L
71" (when mooring)
To return the outboard motor to the To raise the outboard motor out of
normal operating position, move the the water while the boat is moored, or
tilt lever to the RUN position, raise for maximum clearance when
the outboard motor slightly to beaching or launching,tilt the
disengage thetilt mechanism, then outboard motor to the7 1O position.
slowly lower theoutboard motor.
Stop the engine beforetilting the
outboard motor. The 71" position is
not an operating position.
Raise and lower the outboard motor

as described on p. 49.
50
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 amaintenance 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 establishmentor 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 thisowner‘s
manual.
51
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 0 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 flamesaway
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 precautionscan cause Let the engine andexhaust from sharp edges.
you tobe seriously hurt or system cool beforetouching.
killed.
-Injury from moving parts.
Always follow the Do not run the engine unless
procedures and instructed to do so.
precautions in theowner’s
manual.
TOOL KIT AND
EMERGENCY STARTER
ROPE
EMERGENCY STARTER ROPE
The following tools are supplied with

~
OWNER'S MANUAL
--
-
8 X 10 m m WRENCH
10 X 12 mm WRENCH
OIL CHECK SCREWDRIVER
DRIVER
PLIERS
16.5 mm SOCKET
a
WRENCH
SPARE SWITCH CLIP TOOL BAG
the outboard motorfor simple

maintenance procedures and
emergency repairs. An emergency
starter rope is also supplied. Keep
these items on the boat, so they will
always beavailable if you need them.
53
MAINTENANCE SCHEDULE
\REGULAR SERVICEPERIOD (3)
indicated every Perform at year
, hour operating use or or 6 months
comes first. or 20 hrs. 100 hrs. 200 hrs.
ITEM
k oil 0 I Engine 0
contamination
Replace U
Propeller
(cotter pin) Check 0
e Lubrication 0(1) 0 (I)
0 Fueltank and tank filter Clean 0
Emission-related items.
(1) Lubricate more frequentlywhen used in salt water.
(2) These items shouldbe serviced by an authorized Honda marinedealer, unless you have the proper tools andare mechanically proficient.
Refer to the Honda shopmanual for service procedures.
(3) For professional commercial use, log hours of operation to determine proper maintenance intervals.
54
Emission-related items.
(1) Lubricate more frequently when usedin salt water.
(2) These items shouldbe serviced by an authorized Honda marine dealer, unlessyou have the proper tools and are mechanically proficient.
Refer to the Honda shop manual for service procedures.
(3) For professional commercialuse, log hours of operation to determine proper maintenance intervals.
ENGINE COVER REMOVAL Engine Oil Level Check OIL FILLER CAP
AND INSTALLATION
Check the engine oil level with the
engine stopped and the outboard
motor in the vertical position.
1. Unlatch and removethe engine

cover.
2. Remove the dipstick and wipe it

clean. -
/
4. If the oil level is low, removethe
OIL LEVEL DIPSTICK oil filler cap, and add oil to reach
ENGINE COVER LATCH the upper limit mark shown on the
dipstick. Use the oil recommended
The engine coverlatch fastens the on p. 59.
engine coverto the outboard motor.
LIMIT
To remove the engine cover, unlatch
the engine coverlatch, then lift the
LOWER-u
LIMIT
Running the engine with a lowoil
level can cause engine damage.
engine cover offthe outboard motor.
5. Install the oil filler cap andtighten
To install the engine cover, place the it securely.
cover onthe outboard motor, then 3. Insert the dipstick all the way in,
latch the engine coverlatch securely. then remove it and checkthe oil 6. Install and lock the engine cover.
level shown on the dipstick.
Engine Oil Change
I NOTICE 1
An engine oil evacuatiodfilling Improper disposal of engine oil
device may be used to remove/add can be harmf ul to the environment.
the engine oil. If you change your ownoil, please
dispose of the used oil properly.
Drain the used oil while the engine is Put it in a sealed container, and
warm. Warm oil drains quickly and take it to a recycling center. Do
completely. not discard it in a trash bin or
dump it on the ground.
1. Unlatch and remove the engine
cover (p. 56 ). 4. With the outboard motor in a
ENGINE OIL DRAIN SCREW vertical position, fill to the upper
limit mark on the dipstick (p. 56 )
2. Remove the oil filler cap,and with the recommended oil.
remove the engine oil drain screw.
Engine oil refill capacity:
3. Allow the used oil to drain Without oil filter change:
completely, then reinstall the 1 . I US qt (1.O !2,0.9imp qt)
engine oil drain screw, and tighten With oil filter change:
it securely. 1.4 US qt (1.3 J! , 1 .I Imp qt)
5 . Install the oil filler cap and tighten

it securely.
6. Install and lock the engine cover.
57
Oil Filter Change OIL FILTER TIGHTENING
TORQUE:
1. Drain the engine oil, and reinstall 16 Ibf-ft(22 N-m,2.2kgfmm)
the drain screw (see Engine Oil
Change on p. 57 ). 6. Fill the crankcase withthe
specified amount (p. 57 ) of the
2. Unscrew the six bolts and remove recommended oil.
the R. engine undercover.
7. Start the engine and check for
3. Use a suitable tool to remove the 4. Clean the oil filter mounting base, leaks.
oil filter, andthroughly drain the and coat the gasket of the new oil
filter intothe used oil container. filter withclean engine oil.
Running the engine without water
pciq can causeserious engine damage.
USE A SUITABLETOOL Use only a genuine Honda oil Zf you are changing the oil f ilter
filter or failter of equivalent while the outboard motoris out of
quality specified f or your model. the water, use the water hose
Using the wrong f ilter, or anon- adapter (optional part) and a hose
Honda f ilter which is not of to supply water.
equivalent quality, may cause
engine damage. 8. Stopthe engine, and checkthe oil
level as described on page 5 6 . If
5. Screw on the new filter by hand necessary, add oil to bring the oil
until it contacts the engine, then level to the upper limit mark on the
use a suitable tool to tighten the dipstick.
filter an additional 7/8 turn.
OIL FILTER
Engine Oil Recommendations The SAEoil viscosity and service Gear Oil Level Check
classification are in the API label on
Oil is a major factor affecting the oil container. Honda recommends Check the gear oil level with the
performance and service life. Use that you use API SERVICEcategory engine stopped and the outboard
4-stroke automotive detergent oil. SG, SH or SJ oil with the “starburst” motor in the vertical position.
certification mark displayed on the
SAE Viscosity Grades container.
w
I-20
-30
I
-20
0 I
-10
20 I
0
40 I
10
60 I
20
80 I
30
100 I‘F
40’c
AMBIENT TEMPERATURE
SAE low-30 is recommended for Remove theoil level plug and see
general use. Other viscosities shown whether oil flows from theoil level
in the chart may be used when the hole.
average temperature in your area is
within the recommended range. If oil flows from theoil level hole,
the oil level is OK. Reinstall the plug
and tighten it securely.
OIL LEVEL PLUG TORQUE:

2.6 Ibf-ft (3.5 N.m ,0.36kgf-m)
59
If no oil flows fromthe oil level hole, Gear Oil Change 3. Allow the used oil to drain
add the recommended oil following completely, then install an oil
the procedure described in Gear Oil Change the gear oilwith the engine pump adapter in the oildrain hole.
Change. stopped and the outboard motor in
the vertical position. If water or contaminated (milky-
colored) oil flows out thedrain
hole when the plug is removed,
have theoutboard motor checked
by and authorized Honda Marine
dealer.
1. Place a suitable container below

the oil drain hole to catch the used
oil, then remove the oillevel plug
and oil drain plug.
2. Remove any metal particles from

the magnetic end of the oil drain
Plug-
60
OIL LEVEL PLUG TORQUE:
2.6 Ibfmft (3.5 Nsm ,0.36 kgfmm)
Avoid losing more than 1 fl oz (30

cm3) whilereinstalling the drain
Plug-
OIL DRAIN PLUG TORQUE:
2.6 Ibfmft (3.5 Nsm ,0.36 kgf-m)
GEAR OIL BOTTLE
4.Add oil through the oil drain hole

until it flows out the oil level hole,
then install the oil level plug and
the oil drain plug.
GEAR OIL CAPACITY:

0.301 US qt (0.285 !2,0.251
Imp st)
Outboard motorS A E 90 hypoid
gear oil API Service classification
(GL-4 or GL-5)
61
Lubrication Points TILLER HANDLE THROTTLE REEL TILT STOPPER
Wipe the outside of the engine with a cloth dipped in oil.
Apply marine anticorrosion grease to the following parts,
then every 20 hours or amonth after the date of purchase
for initial 100 hours or 6 months.
Apply anticorrosion oil to pivot surf aces where grease

cannot CLAMPSCREWS \ fl I /' /
U
Apply Honda MarineCorrosion Inhibitor (or equivalent) to all areas under the engine coverexcept the belts.
62
Spark Plug Service
SPARK PLUG SPARK PLUG CAP
WRENCH I 0.031 - 0.035 in
RECOMMENDED SPARK PLUGS: (0.80 - 0.90 mm)
CR5EH-9 (NGK)
U16FER9 (DENSO)
W]
Incorrect spark plugs cancause
engine damage.
1. Unlatch and remove the engine

cover (p. 56 ).
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 suitable gauge. The gap
3. Remove the spark plugs with a if the insulators are cracked or should be 0.031 - 0.035 inches
spark plug wrench and screwdriver chipped. Clean the spark plugs (0.80 - 0.90 mm).
supplied in the tool kit. with a wire brush if you are going
to reuse them.
63
7. After each spark plug seats, tighten
with a spark plug wrench supplied
in the tool kit to compress the
sealing washer.
If reinstalling the used spark plugs,

tighten 1/8 - 1/4 turn after the
spark plugs seat.
If reinstalling new spark plugs,

tighten 1/2 turn after the spark
plugs seat.
6. Install the spark plugs carefully, Loose spark plugs can overheat
by hand, to avoid cross-threading. and damage the engine.
Overtightening the spark plugs
can damage the threads in the
cylinder head.
8. Attach the spark plug caps.

9. Install and lock the engine cover.
60
REFUELING
Portable Fuel Tank Gasoline is highly
(optional equipment) flammable and explosive.
FUEL TANK CAPACITY: You can be burned or
3.2 US gal (12 0 , 2.6 Imp gal) seriously injured when
- handling fuel.
FUEL GAUGE
Check the fuel gauge and refill the Stop theengine and keep
tank when necessary. heat, sparks, and flame
away.
Remove the fuel tank from the boat Handle fuel only
for refueling. outdoors.
Wipe up spills
VENT KNOB immediately.
Never refill the fueltank inside a

FUEL Refuel in a well-ventilated area. Fill building where gasoline fumes may
the tank to the SAFE FILL LEVEL reach flames or sparks. Keep
line. gasoline away from appliance pilot
lights, barbecues, electric appliances,
After refueling, install the cap and power tools, etc.
To refuel, turn the vent knob tighten it securely. Turn the vent
counterclockwise to the OPEN knob clockwise to the CLOSED Spilled fuel is not only a firehazard,
position, and unscrew the fuel tank position, and return the fuel tank to it causes environmental damage.
cap. the boat. Wipe up spills immediately.
65
FUEL RECOMMENDATIONS
Use unleaded gasoline with pump
a Running the engine with persistent Gasoline is highly
octane ratingof 86 or higher. spark knockor pinging can cause flammable and explosive.
engine damage.
These outboard motors are certified You can be burned or
to operate on unleaded gasoline. Running the engine with persistent seriously injured when
Unleaded gasoline produces fewer spark knock or pinging is misuse, handlingfuel. ’
engine and spark plug deposits and and the Distributor’s Limited
extends exhaust system life. Warranty does not cover parts Stop the engineand keep
damaged by misuse. heat, sparks, and flame
Never use stale or contaminated away.
gasoline or an oiVgasoline mixture. Handle fuel only
Avoid getting dirt or water in the fuel Fuel Pump Filter Inspection outdoors.
tank. and Replacement Wipe up spills
immediately.
Occasionally you may hear a light The fuel pump filteris located under
“spark knock” or “pinging” the engine cover,on the right side of
(metallic rapping noise) while the engine.
operating under heavy loads. This is
no causefor concern. Water or sediment accumulated in
the filtercan cause loss of power or
If spark knock or pinging occurs at a hard starting. To prevent engine
steady engine speed, under normal malfunction, inspect the filter and
load, changebrands of gasoline. If replace when necessary.
spark knock or pinging persists, see
an authorized Honda marine dealer.
66
3. Disconnect the fuel hose fromthe
outboard motor, and place clamps
on the fuel hoses on each side of
the filter to prevent fuel leakage
when the fuel hoses are
~ UNLATCH disconnected.
FUEL FILTER
ENGINE COVER LATCH
1. Unlatch and remove the engine 2. Inspect the filter for water and/or
cover for access to the fuel pump sediment accumulation.
filter. FUEL FILTER
If the filter is OK, reinstall it. If FUEL HOSE
water and/or sediment are present,
replace the filter as described in 4. Remove the fuel tubes from the
the following steps. Always used filter, and discard the filter.
replace the filter at the scheduled
replacement interval (p. 55 ). To ease tube removal, release the
tube clips by squeezing the clip
ends together with pliers while
pulling off the tubes.
67
Portable Fuel Tank and Filter Fuel Tank Filter
Cleaning
TANK FILTER JOINT
Fuel Tank
ARROW
(Fuel Flow Direction) 1. Unscrew the fuel hose connector
by turning it counterclockwise,
5. Install the new filter on the fuel then remove the fuel hose
hoses, with the fuel flowarrow connector and fuel filter from the
pointing toward the fuel pump as tank.
shown. Fuel flow will be impeded
if the filter is installed backward. Empty the portable fuel tank into an 2. Clean the filter in nonflammable
approved gasoline container. Use a solvent. Inspect the fuel tank filter
6. Remove the fueltube clamps, and funnel to avoid spilling fuel. Rinse and the connector O-ring. Replace
connect the fuelhose to the the fuel tank with nonflammable them if damaged.
outboard motor. Check for leaks. solvent to remove any accumulated
sediment. 3. Reinstall the filter and hose
7. Install and lock the engine cover. connector in the fueltank. Tighten
the hose connector securely.
68
Recoil Starter Rope Inspection Anode Replacement
\\ RECOIL STARTER ROPE Painting or coating the anodeswill
defeat their purposeand will lead to
rust and corrosion damageto the
outboard motor. The anodes must be
exposed to the water in order to
protect theoutboard motor.
Inspect the recoil starter rope, and The anodes are located on each side
replace it if it becomes frayed. of the gearcase. They are made of a
sacrificial material that helps to
Always keep the emergency starter protect the outboard motor from
rope on the boat in case the recoil corrosion.
starter rope fails.
Replace the anodes when they have
been reduced to about half their
original size, or if they are crumbling.
69
Propeller Replacement Removal Installation
Before replacing the propeller, COTTER PIN

remove the clip from the engine stop PROPELLER
switch to prevent any possibility of
the enginebeing started while you fa f
I PLAIN
WASHER
are working with the propeller.
The propeller blades may have sharp

edges, so wear heavy gloves to
protect your hands.
I COTTER PIN
THRUST WASHER
Remove thecotter pin, unscrew the 1. Install the propeller in the reverse
castle nut, remove the washer, then order of removal.
remove thepropeller and thrust
washer. pZ5C.j
Install the thrust washer with the
grooved side toward the gear case.
Use agenuine Honda cotter pin

the pin ends as shown.
70
STORAGE
STORAGE PREPARATION remaining in the water pump.
Proper storage preparation is Touch up any damaged paint, and

essential for keeping your outboard coat areas that may rust with a light
motor troublefree and looking good. film of oil. Lubricate controls with a
The following steps will help to keep silicone spray lubricant.
rust and corrosion from impairing
your outboard motor’s function and Flushing With the Honda
appearance, and will make the engine Garden Hose Adapter
easier to start when you use the
outboard motor again. 1. Unlatch the engine cover latch and
remove the engine cover (p. 56 ),
Cleaning and Flushing and install the garden hose adapter.
Thoroughly clean and flush the 2. Attach a garden hose from a fresh
outboard motor with fresh water after water faucet to the garden hose
operation in dirty water or salt water. adapter.
Cleaning 3. Turn on the fresh water supply,

and verify that there is good water
Wash the outside of the outboard pressure at the outboard motor.
motor with clean, fresh water to
remove mud, salt, seaweed, etc. 4.Flush the engine with fresh water
for at least 10 minutes.
Disengage the emergency engine
stop switch clip from the enginestop
switch, andpull the recoil starter rope
several times to expel any water
71
STORAGE
Flushing Without theHonda
Garden Hose Adapter
Running the engine withoutgood
It is necessary to run the engine water circulation can cause
during the flushing procedure. For overheating and water pump
safety, removethe propeller from the damage.
outboard motor (p. 70 ).
Damage causedby running the
outboard motor without sufficient
cooling water is not covered by the
Distributor’s Limited Warranty.
2. Start the engine andrun in (N)

neutral at low speed for at least 10
minutes.
3. After flushing, stop the engine,

remove the water container, and
I reinstall the propeller (p. 70 ).
1-
ANTIVENTILATION PLATE
1. Place a container under the

outboard motor, and fill it with
clean, fresh water. The water level
must be at least 2 inches above the
antiventilation plate.
72
STORAGE
Fuel The Distributor’s Limited Warranty

does not cover fuel system damage
Gasoline will oxidize and deteriorate or engineperformance problems Gasoline is highly
in storage. Old gasoline will cause resulting from neglected storage flammable and explosive.
hard starting, and it leaves gum preparation.
deposits that clog the fuel system. If You can be burned or
the gasoline in your fuel tank and You can avoid fuel deterioration seriously injured when
carburetor deteriorates during storage, problems by draining the fueltank handling fuel.
you may need to have the carburetor and carburetors.
and other fuel system components Stop the engineand keep
serviced or replaced. 1. Disconnect the fuel hose from the heat, sparks, and flame
outboard motor. away.
The length of time that gasoline can Handle fuel only
be left in your fuel tank and outdoors.
carburetor without causing functional Wipe up spills
problems will vary with such factors immediately.
as gasoline blend, your storage
temperatures, and whether the fuel
tank is partially or completely filled. 3. After the fuel has drained from the
The air in a partially filled fuel tank carburetor, tighten the drain screw
promotes fuel deterioration. Very securely.
warm storage temperatures accelerate 2. With the outboard motor in a
fuel deterioration. Fuel deterioration vertical position, place an
problems may occur within a few approved gasoline container below
months, or even less if the gasoline the fuel drain outlet, and use a
was not fresh when you filled the funnel to avoid spilling fuel.
fuel tank. Loosen the drain screw to drain
fuel from the carburetor.
73
STORAGE
4.Drain the portable fuel tank into an

approved gasoline container, or If
you need to store fuel in the fuel
tank, you can extend fuel storage
life by filling the fueltank with
fresh gasoline and adding a fuel
stabilizer that is formulated for
that purpose. Firmly close the fuel
cap vent knob.
STORAGE
~ Engine
Oil STORAGE PRECAUTIONS To carry the outboard motor, hold it
by the carrying handle, or hold by the
1. Change the engine oil and the oil Select a well-ventilated storage area. carrying handle and the lugbeneath
filter (p. 57 - 58). If possible, avoid storage areas with the engine cover latch, as shown.
high humidity.
2. Remove the spark plugs (p. 63 ), [ X E E q
and remove the clip from the Lifting the outboard motor bythe
engine or emergency stop switch. engine cover, or using the installed
outboard motoras a handle orlever
3. Pour a tablespoon ( 5 - 10 cm3)of to move the boat, can damage the
clean engine oil into each cylinder. outboard motor.
4. Pull the starter rope several times If your portable fuel tank contains
to distribute the oil in the cylinders. gasoline, store it away from any
appliance that operates with a flame,
5. Reinstall the spark plugs (p. 64 ). CARRYING HANDLE such as a furnace, water heater, or
clothes dryer. Also avoid any area
with a spark-producing electric motor,
or where power tools are operated.
LUG
75
STORAGE
n Cover theoutboard motor to keep out

dust. Do not use sheet plastic as a
dust cover. A nonporous cover will
trap moisture, promoting rust and
corrosion.
REMOVAL FROM STORAGE

t \
PROTECTOR CASE PROTECTOR
Check your outboard motor as
described in theBEFORE
OPERATION chapter of this manual.
If storing horizontally, be sure to fold If the cylinders were coated with oil
the tiller handle, and the outboard during storage preparation, the
Store theoutboard motor either motor rests on its case protectors. Be engine may smoke briefly at startup.
vertically or horizontally with the sure all water has drained from the This is normal.
tiller handle side up. outboard motor before placing it on
its side, so no residual water can
enter the engineexhaust port.
I NOTICE I
Any other horizontal storage position
may cause damage or oil leakage.
76
TRANSPORTING
WITH OUTBOARD MOTOR WITH OUTBOARD MOTOR To cany, hold the outboard motorby
INSTALLED ON BOAT REMOVED FROM BOAT the carrying handle, or holdby the
carrying handle andthe lug beneath
When trailering a boat withthe Secure the outboard motorin either engine coverlock lever, as shown.
outboard motorattached, leave the the vertical or horizontal position
engine in the normal runningposition, shown on p. 76. I NOTICE I
if possible, and tighten the steering Lifting the outboard motor bythe
friction lever securely (p. 47 ). engine cover, or using the
installed outboard motoras a
If there is insufficient roadclearance handle or lever to move the boat,
in the normal runningposition, then can damagethe outboard motor.
tilt the outboard motor and use a
motor support bar, or removethe
outboard motorfrom the boat. Refer
to the manufacturer’s instructions for
using a motorsupport bar. u \
CARRYING HANDLE
MOTOR SUPPORT BAR

(commercially available)
77
TAKING CARE OF UNEXPECTED PROBLEMS
ELECTRIC STARTER WILL Possible Cause Correction

NOT OPERATE
1 . Check battery. Battery connections loose or Clean andtighten battery

corroded. connections.
Battery discharged. Recharge battery.
2. Check fuses. Fuse(s) burnt out. Replace fuse(s) (p. 83 >.
3. Use emergency starting Starter malfunction, switch Replace orrepair faulty

procedure (p. 40 ), then take malfunction, or electrical problem components as necessary.
outboard motorto an authorized in the starting circuit.
Honda Marinedealer, or referto
the shop manual.
78
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. 15 ).
in neutral position.
Choke OPEN (tiller-handle and Pull choke knob to CLOSED

manual choke type). position, unless engine is warm (p.
14 ).
Throttle grip not in START Turn throttle grip to START

position (tiller-handle type). position (p. 36 ).
~ ~ ~ ~~~
Fast idle lever raised (side-mount Leave fast idle lever OFF, unless
tYpe). engine is warm (p. 39 ).
79
ENGINE WILL NOT START Possible Cause Correction

(continued)
~~~
3. Check fuel. Out of fuel. Refuel (p. 65 ).

Fuel vent closed (portable fuel Open fuel tank vent (p. 24 ).
tank).
Fuel hose not primed. Squeeze priming bulb (p.33 ).

Fuel pump filter or fueltank filter Replace fuel filters (p. 66 ).
clogged.
Bad fuel; boat stored without Drain fuel tank and carburetors (p.
treating or draining gasoline, or 73 ). Refill with freshgasoline (p.
refueled with bad gasoline. 65 ).
4. Remove andinspect spark plugs. Spark plugs faulty, fouled or Clean, gap or replace spark plugs
improperly gapped. (P. 63 1.
Spark plugs wet with fuel (flooded Dry and reinstall spark plugs. Start
engine). engine with choke andthrottle open.
5. Takeoutboard motor to an Carburetor malfunction, fuel pump Replace orrepair faulty

authorized Honda Marinedealer, failure, ignition malfunction, stuck components as necessary.
or referto the shop manual. valves, etc.
80
HARD STARTING OR STALLS Possible Cause Correction

AFTER STARTING
1. Checkcontrol positions. Choke OPEN(tiller-handle type). Pull choke knob to CLOSED

position, unless engine is warm (p.
14 ).
Throttle grip not in START Turn throttle grip to START (p.

position (tiller-handle type). 36 ).
Fast idle lever raised (side-mount Leave fast idle lever OFF, unless
type). engine is warm (p. 39 ).
2. Check fuel. Fuel vent closed (portable fuel Open fuel tank vent (p. 24 ).
tank).
Fuel hosenot primed. Squeeze priming bulb(p. 33 ).

Fuel pump filter or fuel
tank Replace fuel filters(p. 66 ).
clogged.
Bad fuel; boat stored without Drain fuel tank and carburetors (p.
treating or draining gasoline, or 73 ). Refill with fresh gasoline (p.
refueled with bad fuel. 65 ).
81
HARD STARTING OR STALLS

AFTER STARTING Possible Cause Correction
(continued)
3. Remove and inspect spark plugs. Spark plugs faulty, fouled or Clean, gapor replace spark plugs
improperly gapped. (P. 63 1.
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 shopmanual.
82
BATTERY WILL NOT 3. Remove and inspect the fuses.If a SPARE 20A FUSE
CHARGE AND ELECTRIC fuse isburnt out, install a
STARTER WILL NOT replacement fuse of the specified
OPERATE rating. The outboard motor is
supplied with spare fuses in the
The battery-charging circuit and the fuse holders.
electric starter relay circuit are
protected by the 20-ampere fuse. If DESIGNATED FUSE: 20A
the fuse bums out, the engine will
not charge thebattery, and the p E q
20A FUSE’ FUSECASE LID
electric starter will not operate. The Never usea f use with a rating
engine can be started using the recoil greater than specified. Serious
starter or the emergency starter rope. damage tothe electrical system
could result.
The ignition switch is protected by
the 20-ampere fuse. If the fuse bums
out, the enginewill not start or run.
BLOWN FUSE
Fuse Replacement 4. Reinstall the fuse case lid and the
engine cover.
1 . With the engine stopped, remove
the engine cover. Before further operation, try to
determine and correct the electrical
2. Remove the fuse case lid. problem that caused the fuse to
bum out. An uncorrected electrical
problem may cause the fuse to
bum out again.
83
OIL PRESSURE INDICATOR If the throttle is closed suddenly after
LIGHT GOES OFF AND full throttle operation, enginespeed
ENGINE SPEED IS LIMITED may drop below the specified idle
rpm, and that could activate the
OIL PRESSURE engine protection system
I (GREEN) momentarily.
If low oil pressure activates the

engine protection system, stop the
engine, check the engine oil level
(remote control type) (p. 56 ), and add oil if needed.
With the engine oilat the

(tiller handletype) If oil pressure becomes low, the recommended level, restart the
green indicator light will go off, and engine. If the lubrication system is
the engine protection system will OK, the green indicator light should
limit engine speed. If you are at come onwithin 30 seconds, and the
cruising speed, engine speed will engine will respond normally to
decrease gradually. throttle grip or control lever
operation.
Remote-control types are equipped
with a buzzer that sounds when the If the engineprotection system
green indicator light goes off. 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
be a problem with the engine marine dealer.
lubrication system.
OVERHEATING INDICATOR Engine overheating may be theresult If water is flowing from the cooling
LIGHT COMES ON AND of clogged water intake screens, or system indicator, continue idling for
ENGINE SPEED IS LIMITED there may be a problem with the 30 seconds. If the cooling system is
cooling system thermostat or water OK, the red indicator light should go
pump. off within 30 seconds, and the engine
will respond normally to throttle grip
If the engineis stopped after running or control lever operation.
at full throttle, and then restarted
soon afterward, that could activate If there is no water flowing from
the engine protection system the cooling system indicator, stop
momentarily. the engine, and tilt the outboard
motor to inspect the water intake
screens. If clogged, clean the water
intake screens, return the outboard
motor to the running position,
If the engine overheats, the red restart the engine, and check the
indicator light will come on,and the cooling system indicator again.
engine protection system will limit
engine speed. If you are at cruising If there is still no water flowing
speed, engine speed will decrease from the cooling system indicator,
gradually. or if the engine protection system
COOLING SYSTEM INDICATOR remains activated after 30 seconds,
Remote-control types are equipped return to the nearest boat landing,
with a buzzer that sounds when the If overheating activates the engine and have theoutboard motor
red indicator light comes on. protection system, idle the engine in inspected by an authorized Honda
neutral, and check the cooling system marine dealer.
indicator.
SUBMERGED MOTOR 3. Change the engine oil and oil filter
as described on p. 57 - 5 8 . If
A submerged outboard motor must there was water in the engine
be serviced immediately after it is crankcase, or if the used engine oil
recovered from the water in order to showed signs of water
minimize corrosion. contamination, then a second
engine oil change should be
If there is a Honda marinedearship performed after running the engine
nearby, take the motor to the dealer for half an hour.
immediately. If you are far from a
dealership, proceed as follows:
4. Remove the spark plugs (p. 63 ),
1. Remove the engine cover, and and removethe clip from the
rinse the outboard motorwith emergency stop or engine switch.
fresh water to remove salt water, Pull the recoil starter grip, rotate
sand, mud, etc. the flywheel a few revolutions to
completely expel any water from
2. Drain the carburetors as described the cylinders.
on p. 73.
If the engine was running when it
submerged, there may be
mechanical damage, such as bent
connecting rods. If the engine
binds when cranked, do not
attempt to run the engine until it
has been repaired.
86
7. Attempt to start the engine.
pi5iG-l
When cranking the engine with If the engine fails to start, remove
an open ignition circuit (spark the spark plugs, clean and dry
plugs removedfrom the ignition them, then reinstall the spark plugs
circuit), removethe clip from and attempt to start the engine
the emergency or enginestop again.
switch to prevent possible
damage to the ignition system. If the engine starts, and no
mechanical damage is evident,
continue to run the engine for a
half hour or longer. Be sure the
water level is at least two inches
above the antiventilation plate to
5. Pour a teaspoon of engine oil into avoid overheating and water pump
each spark plug hole, then pull the damage.
recoil starter grip several times to
lubricate the inside of the cylinders. 8. As soon as possible, take the
outboard motor to an authorized
6. Reinstall the spark plugs, and put Honda Marine dealer for
the emergency stop switch clip inspection and service.
into the switch.
87
TECHNICAL AND CONSUMER INFORMATION
TECHNICAL INFORMATION PRODUCT IDENTIFICATION
NUMBER \ ENGINE SERIALNUMBER
Serial Number Locations \
Record the product identification
number and engine serial numbers in
the spaceprovided on this page. You
will need these numbers when
ordering parts, and when making
technical or warranty inquiries (p.
97 ).
SWIVEL CASE
Ipv
The product identification number is The engine serial number is
stamped on a plate attached on top of stamped on theright front of the
the stem bracket. engine.
Product identification number: Engine serial number:
88
Carburetor Modification for Even with carburetor modification,

High Altitude Operation engine horsepower will decrease
about 3.5% for each 1,000-foot (300-
At high altitude, the standard meter) increase in altitude. The effect
carburetor air-fuel mixture will be of altitude on horsepower will be
too rich. Performance will decrease, greater than this if no carburetor
and fuel consumption will increase. modification is made.
A very rich mixture will also foul the
spark plugs and cause hard starting. p
G
i l
When the carburetors have been
High altitude performance can be modified f or highaltitude operation,
improved by specific modifications the air-fuel mixturewill be too lean
to the carburetors. If you always f o r low altitude use. Operation at
operate your outboard motor at altitudes below5,000feet (1,500
altitudes above 5,000 feet (1,500 meters) with modified 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
factory specifications.
89
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. Thesegasolines are 10% by volume. operating symptoms, try another
collectively referred to as oxygenated service station, or switch to another
fuels. Tomeet 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 andor
performance problems. It may also
90
Emission Control System The U.S. Clean Air Act Tampering and Altering
Information
EPA regulations require all Tampering with or altering the
Source of Emissions manufacturers to furnish written emission control system may increase
instructions describing the operation emissions beyond the legal limit.
The combustion process produces and maintenance of emission control Among those acts that constitute
carbon monoxide, oxides of nitrogen, systems. tampering are:
and hydrocarbons. Control of
hydrocarbons and oxides of nitrogen The following instructions and Removal or alteration of any part
is very important because, under procedures must be followed in order of the intake, fuel, or exhaust
certain conditions, they react to form to keep the emissions from your systems.
photochemical smog when subjected Honda engine within the emission
to sunlight. Carbon monoxide does standards. Alterations that would cause the
not react in the same way, but it is 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.
91
Problems That MayAffect Replacement Parts A manufacturerof 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 emission regulations. We must certify that use of the part will
your servicing dealer. recommend the use of genuine not result in a failure of the engineto
Honda parts whenever you have comply with emission regulations.
Hard starting or stalling after maintenance done. These original-
starting. design replacement parts are Maintenance
manufactured to the same standards
0 Rough idle. as the original parts, so you can be Follow the maintenance schedule on
confident of their performance. The p. 54.Remember that this schedule
Misfiring or backfiringunder 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
0 Afterburning (backfiring). may impair the effectiveness of your purpose. Sustained high-load
emission control system. operation, or use in unusual
0 Black exhaust smoke orhigh fuel conditions, will require more
consumption. frequent service.
92
~ Star Label The Star Labelmeans Cleaner Marine Engine
A Star label was applied to this This enginehas been certified as a:
outboard motorin accordance with
the requirements of the California
Air Resources Board.
0
The Symbolfor Cleaner Marine Engines:
Cleaner Air and Water- for healthier lifestyle and environment.
-
Better Fuel Economy bums 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.
93
One Star Two Stars Three Stars

Low Emission Very Low Emission Ultra Low Emission
The one-star label identifies engines The two-star label identifies engines The three-star label identifies engines
that meet the Air Resources Board’s that meet the Air Resources Board’s that meet the Air Resources Board’s
2001 exhaust emissionstandards. 2004 exhaust emissionstandards. 2008 exhaust emissionstandards.
Engines meetingthese standards Engines meetingthese standards Engines meetingthese standards
have 75% lower emissionsthan have 20% lower emissionsthan One have 65% lower emissionsthan One
conventional carbureted two-stroke Star-Low-Emission engines. Star-Low-Emission engines.
engines. These engines are equivalent
to the U.S. EPA’s 2006standards for Cleaner Watercraft- Get the Facts
marine engines. 1-800-END-SMOG
www.arb.ca.gov
94
Specifications
Tune Up
I Spark Plug gap 0.031 -0.035 in
(0.80-0.90 m m )
1 Seepage62 I
Idle speed *
900 50 rpm See shop
manual
Valve clearance Intake: 0.17 f 0.02 mm _ _ _ shop
See
(cold) I Exhaust: 0.23 f 0.02 mm 1 manual
SAE IOW-30 Other specifications I No other
adjustment is needed
Gear case:API standard (GL-4/5)
SAE 90 outboard motorgear oil
Honda outboards are power rated in accordance with N " A procedures and using the ICOMIA standard 28/23.
95
Specifications
MODEL BF9.9DIBFP9.9D
Description Code BABJ
Type H HS R
Overall length 24.0 i n (610 mm) I 23.6 in (600 mm)
Overall width 13.6 in (345 mm)
Overall height S 43.5 i n (1,105 mm)
L 48.6 i n (1,235 rnm)
X 54.1 i n (1,375 mm)
Transom height S 17.0 in (433 mm)
L 22.2 in (563 mrn) (86 pump octane or higher)
X 27.7 in (703 rnm) Tank capacity 3.2 US gal (12 Q ,2.6 Imp gal)
Weight S 92.6Ibs I 102.51bs I 103.6Ibs Gear change Forward-Neutral-Reverse
(42.0 kg) (46.5 kg) (47.0 kg) (dog type)
L 98.1 Ibs 108.0 Ibs 109.1 Ibs Steering angle 45" right and left
(44.5 kg) (49.0 kg) (49.5 kg) Transom angle 5 stages (4°-80-120-160-200)
X 106.9 Ibs 116.8 Ibs 117.9 Ibs Tilt angle 3 stages adjustment(30", 45' and 71")
Remote control I Motor-
system I steering I mounted I
Tune Up
Spark Plug gap 0.031 -0.035 i n See page 62
(0.80-0.90 mm)
Idle speed 900 f 50 rpm See shop
manual
Valve clearance Intake: 0.17 k 0.02 mrn See shop
(cold) Exhaust: 0.23 k 0.02 rnm manual
Other specifications No other adjustment is needed
Honda outboards are power rated in accordance with N " A procedures andusing the ICOMIA standard 28/23.
96
CONSUMER INFORMATION Warranty Service Information Or telephone: (770) 497-6400
Honda Publications Honda Marine dealership personnel When you write or call, please give
are trained professionals. They us this information:
These publications will give you should be able to answer any
additional information for question you may have. If you Model and serial numbers (p. 88 )
maintaining and repairing your encounter a problem that your dealer
outboard motor. You may order them does not solve to your satisfaction, Name of the dealer who sold the
from your Honda marine dealer. please discuss it with the dealership’s outboard motor to you
management. The Service Manager
Shop Manual or General Manager can help. Almost Name and address of the dealer
all problems are solved in this way. who services your outboard motor
This manual covers complete
maintenance and overhaul procedures. If you are dissatisfied with the Date of purchase
It is intended to be used by a skilled decision made by the dealership’s
technician. management, contact the Honda Your name, address, and telephone
Marine Customer Relations Office. number
Parts Catalog You can write:
A detailed description of the
This manual provides complete, American Honda MotorCo., Inc. problem
illustrated parts lists. Marine Division
Customer Relations Office
4900 Marconi Drive
Alpharetta, Georgia 30005-8847
97
WIRING DIAGRAM
TILLER HANDLE TYPE (with recoil starter and 6A charge coil)
r-L.. (0.. .._.,....,..

98
WIRING DIAGRAM
TILLER HANDLE TYPE (with electric starter)
1
99
WIRING DIAGRAM
REMOTE CONTROL TYPE
,
j ./
.
i
5
-!
I..,.
&e...........
..
' \ \
1
,.I"
^.. .................
100
INDEX
Anodes ............................................................................ 23 Electric Starter Button (models equippedwith.

Replacement ............................................................... 69 electric starter) ............................................................ 16
ARE YOU READY TO GET UNDER WAY ? .......... 30 EMERGENCY STARTING.......................................... 40
ATTACHMENT ............................................................ 26 Emission Control System Information.......................... 91
Automatic Choke (equippedtype only) ......................... 23 Engine
Cover
BATTERY CONNECTIONS........................................ 27 Latch ....................................................................... 20
BATTERY WILL NOT CHARGE AND REMOVAL AND INSTALLATION.................... 56
ELECTRIC STARTER WILL NOT Oil
OPERATE .............................................................. 83 Change .................................................................... 57
BEFORE OPERATION................................................. 30 Level Check ........................................................... 56
BOAT TRANSOM REQUIREMENTS........................ 25 Recommendations .................................................. 59
BREAK-IN PROCEDURE............................................ 32 Stop Switch and Switch Clip..................................... 14
Carburetor Modificationfor High Altitude Fuel

Operation .................................................................... 89 Cap Vent Knob........................................................... 24
Cleaning and Flushing.................................................... 71 HOSE CONNECTIONS............................................ 34
Choke Knob (Htype manual choke) ............................. 14 Gauge.......................................................................... 21
COMPONENT AND CONTROL LOCATIONS......... 11 PRIMING ................................................................... 35
CONSUMER INFORMATION.................................... 97 Priming Bulb.............................................................. 24
CONTROLS ................................................................... 14 RECOMMENDATIONS ........................................... 66
CONTROLS AND FEATURE IDENTIFICATION Pump Filter Inspection and Replacement .................. 66
CODES ....................................................................... 10
ATURES
AND
CONTROLS ................................... 10
Cooling SystemIndicator ............................................... 23
CRUISING ..................................................................... 48
101
INDEX
Gear Oil MAINTENANCE SAFETY.......................................... 52

Change ........................................................................ 60 MAINTENANCE SCHEDULE.................................... 54
Level Check................................................................ 59 MOORING. BEACHING. LAUNCHING.................... 50
GEARSHIFTINGANDTHROTTLEOPERATION ... 45
H Type (tiller handle) ................................................. 45 Oil filter Change............................................................. 58
R Type (remote control)............................................. 46 Oil Pressure Indicator(R type) (H type) ........................ 22
Gearshift Lever............................................................... 15 OIL PRESSURE INDICATOR LIGHT GOES
GearshiftlTrottle Control Lever..................................... 18 OFF AND ENGINE SPEED IS LIMITED ............... 84
OPERATION ................................................................. 32
Ignition Switch............................................................... 16 OTHER FEATURES..................................................... 23
IMPORTANT SAFETY INFORMATION..................... 7 OUTBOARD MOTOR SAFETY .................................... 7
INDICATORS ................................................................ 22 Overheating Indicator(R type) ...................................... 22
INSTALLATION ........................................................... 25 OVERHEATING INDICATOR LIGHT COMES
INSTALLATION POSITION....................................... 26 ON AND ENGINE SPEED IS LIMITED
INSTRUMENTS ............................................................ 2 1 (remote control type).............................................. 85
IS YOUR OUTBOARD MOTOR Overrev Limiter.............................................................. 23
READY TO GO? ..................................................... 30 Oxygenated Fuels........................................................... 90
Lubrication Points.......................................................... 62
102
INDEX
PORTABLE FUEL TANK ...................................... 24. 34 SAFE OPERATING PRECAUTIONS......................... 32

Portable Fuel Tank and Filter Cleaning ......................... 68 SAFETY LABEL LOCATIONS ..................................... 9
POWER REQUIREMENTS.......................................... 25 Serial Number Locations................................................ 88
Propeller Replacement................................................... 70 SERVICING YOUR OUTBOARD MOTOR............... 51
SHALLOW WATER OPERATION............................. 49
Recoil Starter Spark Plug Service......................................................... 63
Grip ............................................................................. 16 Specifications................................................................. 95
Rope Inspection.......................................................... 69 Star Label....................................................................... 93
REFUELING .................................................................. 65 STARTING THE ENGINE........................................... 35
REMOVAL FROM STORAGE .................................... 76 H Type (tiller handle) ................................................. 35
R Type (remote control)............................................. 38
STEERING..................................................................... 47
H Type (tiller handle) ................................................. 47
R Type (remote
. . control)............................................. 47
Lever Fnctlon Steering ................................................... 21
STOPPING THE ENGINE ............................................ 43
Emergency Engine Stopping ...................................... 43
Normal Engine Stopping............................................ 43
STORAGE ..................................................................... 71
STORAGE PRECAUTIONS ......................................... 75
STORAGE PREPARATION ......................................... 71
Fuel ............................................................................. 73
Engine oil ................................................................... 75
SUBMERGED MOTOR................................................ 86
Switch Clip and Emergency Stop Switch...................... 17
103
INDEX
TAKING CAREOF UNEXPECTED PROBLEMS..... 78

TECHNICAL AND CONSUMER INFORMATION ... 88
TECHNICAL INFORMATION.................................... 88
THE IMPORTANCE OF MAINTENANCE ................ 51
Throttle Friction Dial ..................................................... 15
Throttle Grip ................................................................... 15
Tilt Lever ........................................................................ 21
TOOL KIT AND EMERGENCY STARTER ROPE... 53
Transom Angle Adjusting Rod...................................... 20
TRANSOM ANGLE ADJUSTMENT ..................... 27.33
TRANSPORTING ......................................................... 77
WITH OUTBOARD MOTOR INSTALLED
ON BOAT.............................................................. 77
WITH OUTBOARD MOTOR REMOVED
FROM BOAT ........................................................ 77
WIRING DIAGRAMS................................................... 98
104
0 109-8MZ- LEX00
1098MZ 1E

Honda BF8

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The information and specificationsincluded in this publication were in effect at the

1- symbol. That information 02001 Honda MotorCo., Ltd. All

OUTBOARD MOTOR SAFETY.................................... 7 Common Controls

INSTALLATION........................................................... 25 PORTABLE FUEL TANK ........................................ 34

SERVICING YOUR OUTBOARD MOTOR ............... 51 STORAGE ..................................................................... 71

TAKING CARE OF UNEXPECTED

TECHNICAL AND CONSUMER INFORMATION... 88

Remove any portable fuel tank

Refuel carefully to avoid spilling

After refueling, tighten the filler

Power Thrust Propeller P P P P P P

Battery Charging DC Receptacle 0 0 0 0 0

BWD/BF9.9D/BFP8D/BFP9.9D are 0 According to Shaft Length (Example)

FUEL GAUGE VENT KNOB

‘FUEL HOSE CONNECTOR

When used as described, the engine

Ignition Switch (side-mount

The control lever automatically locks

A friction adjuster near the base of

ENGINE COVER Proper adjustmentprevents the

The engine coverlatch fastens the

Remote controls are also equipped

Low oil pressure indicates that the

Remote controls are also equipped

Engine overheating may be the result

The overrev limiter may be activated

VENT KNOB OUTLET END

For most applications, the outboard

TRANSOM ANGLE BATTERY CONNECTIONS The battery should be kept in a

Honda BFSD/BFPSD/BF9.9D and For electric starter operation, use a

- TO ACCESSORIES BLACK or GREEN

Safety Inspection Maintenance Inspection

Replace any damaged parts.

Check that all fasteners are in

For your safety, avoid starting or Next 45 minutes: Next 8 hours:

UNLOCKED ADJUSTING ROD Proper adjustment prevents the m

(SH type/LH type) (SH type/LH type)

Remove therod and reinsert it in the

Before use, open the fueltank vent

Always attach the lanyard to your

Hold the priming bulb with the outlet

1 STARTER GRIP Electric starter

R Type The engine will not start or run,

2. Set the control lever in the N

The engine will not start if the F

1. Put the emergency stop switch clip

Turning the ignition switch key to

During thewarm-up period,

NEUTRAL START CABLE RECOIL STARTER FLYWHEEL (STARTER PULLEY)

2. Move the shift leverto the F

We suggest that you stop the engine

ENGINE STOP SWITCH

2. Turn the ignition switch key to the

The throttle grip can be turned to the

Use the throttle friction dial to help

Turn the dial clockwise to increase

Turn thedial counterclockwise to