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APPENDIX C–METRIC CONVERSIONS C.1

Table C-1. Metric Conversions


MILLIMETERS TO INCHES INCHES TO MILLIMETERS
(MM X 0.03937 = INCHES) (INCHES X 25.40 = MM)

mm in. mm in. mm in. mm in. in. mm in. mm in. mm in. mm


.1 .0039 25 .9842 58 2.283 91 3.582 .001 .025 .6 15.240 1 15/16 49.21 3 5/16 84.14

.2 .0078 26 1.024 59 2.323 92 3.622 .002 .051 5/8 15.875 2 50.80 3 3/8 85.72
.3 .0118 27 1.063 60 2.362 93 3.661 .003 .076 11/16 17.462 2 1/16 52.39 3.4 86.36

.4 .0157 28 1.102 61 2.401 94 3.701 .004 .102 .7 17.780 2.1 53.34 3 7/16 87.31

.5 .0197 29 1.142 62 2.441 95 3.740 .005 .127 3/4 19.050 2 1/8 53.97 3 1/2 88.90

.6 .0236 30 1.181 63 2.480 96 3.779 .006 .152 .8 20.320 2 3/16 55.56 3 9/16 90.49

.7 .0275 31 1.220 64 2.519 97 3.819 .007 .178 13/16 20.638 2.2 55.88 3.6 91.44
.8 .0315 32 1.260 65 2.559 98 3.858 .008 .203 7/8 22.225 2 1/4 57.15 3 5/8 92.07
.9 .0354 33 1.299 66 2.598 99 3.897 .009 .229 .9 22.860 2.3 58.42 3 11/16 93.66

1 .0394 34 1.338 67 2.638 100 3.937 .010 .254 15/16 23.812 2 5/16 58.74 3.7 93.98
2 .0787 35 1.378 68 2.677 101 3.976 1/64 .397 1 25.40 2 3/8 60.32 3 3/4 95.25

3 .1181 36 1.417 69 2.716 102 4.016 .020 .508 1 1/16 26.99 2.4 60.96 3.8 96.52

4 .1575 37 1.456 70 2.756 103 4.055 .030 .762 1.1 27.94 2 7/16 61.91 3 13/16 96.84
5 .1968 38 1.496 71 2.795 104 4.094 1/32 .794 1 1/8 28.57 2 1/2 63.50 3 7/8 98.42

6 .2362 39 1.535 72 2.834 105 4.134 .040 1.016 1 3/16 30.16 2 9/16 65.09 3.9 99.06

7 .2756 40 1.575 73 2.874 106 4.173 .050 1.270 1.2 30.48 2.6 66.04 3 15/16 100.01
8 .3149 41 1.614 74 2.913 107 4.212 .060 1.524 1 1/4 31.75 2 5/8 66.67 4 101.6

9 .3543 42 1.653 75 2.953 108 4.252 1/16 1.588 1.3 33.02 2 11/16 68.26 4 1/16 102.19
10 .3937 43 1.693 76 2.992 109 4.291 .070 1.778 1 5/16 33.34 2.7 68.58 4.1 104.14

11 .4331 44 1.732 77 3.031 110 4.331 .080 2.032 1 3/8 34.92 2 3/4 69.85 4 1/8 104.77

12 .4724 45 1.772 78 3.071 111 4.370 .090 2.286 1.4 35.56 2.8 71.12 4 3/16 106.36

13 .5118 46 1.811 79 3.110 112 4.409 .1 2.540 1 7/16 36.51 2 13/16 71.44 4.2 106.68
14 .5512 47 1.850 80 3.149 113 4.449 1/8 3.175 1 1/2 38.10 2 7/8 73.02 4 1/4 107.95

15 .5905 48 1.890 81 3.189 114 4.488 3/16 4.762 1 9/16 39.69 2.9 73.66 4.3 109.22

16 .6299 49 1.929 82 3.228 115 4.527 .2 5.080 1.6 40.64 2 15/16 74.61 4 5/16 109.54
17 .6693 50 1.968 83 3.268 116 4.567 1/4 6.350 1 5/8 41.27 3 76.20 4 3/8 111.12

18 .7086 51 2.008 84 3.307 117 4.606 .3 7.620 1 11/16 42.86 3 1/16 77.79 4.4 111.76

19 .7480 52 2.047 85 3.346 118 4.645 5/16 7.938 1.7 43.18 3.1 78.74 4 7/16 112.71

20 .7874 53 2.086 86 3.386 119 4.685 3/8 9.525 1 3/4 44.45 3 1/8 79.37 4 1/2 114.30

21 .8268 54 2.126 87 3.425 120 4.724 .4 10.160 1.8 45.72 3 3/16 80.96 4 9/16 115.89
22 .8661 55 2.165 88 3.464 121 4.764 7/16 11.112 1 13/16 46.04 3.2 81.28 4.6 116.84

23 .9055 56 2.205 89 3.504 122 4.803 1/2 12.700 1 7/8 47.62 3 1/4 82.55 4 5/8 117.47

24 .9449 57 2.244 90 3.543 123 4.842 9/16 14.288 1.9 48.26 3.3 83.82 4 11/16 119.06

2003 Buell XB9R: Appendix C C-1


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FASTENER TORQUE VALUES C.2

Torque specifications for specific components are listed in


each section at the point of use. When converting to Newton- 1WARNING 1WARNING
meters, use the formulas given under the metric chart. For all
other steel fasteners, use the values listed in one of the tables The quality fasteners used on Buell motorcycles have
below. In the English table, torque figures are listed in ft-lbs, specific strength, finish and type requirements to perform
except those marked with an asterisk (*), which are listed in in- properly in the assembly and the operating environment.
lbs. In the metric table, figures are listed in Newton-meters. Use only genuine Buell replacement fasteners tightened
to the proper torque. Substitution could cause fastener
failure, which could result in death or serious injury.

Table C-2. English Torque Values


MINIMUM BODY SIZE OR OUTSIDE DIAMETER
FASTENER TYPE TENSILE MATERIAL # (number) in. (inches)
STRENGTH 2 3 4 5 6 8 10 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1
SAE 2 74,000 LOW
STEEL PSI CARBON 6 12 20 32 47 69 96 155 206 310

SAE 5 120,000 MEDIUM


STEEL PSI CARBON HEAT 14* 22* 10 19 33 54 78 114 154 257 382 587
TREAT

SAE 7 133,000 MEDIUM


STEEL PSI CARBON 13 25 44 71 110 154 215 360 570 840
ALLOY

SAE 8 150,000 MEDIUM


STEEL PSI CARBON 14 29 47 78 119 169 230 380 600 900
ALLOY

SAE 8 150,000 MEDIUM


STEEL PSI CARBON 14 29 47 78 119 169 230 380 600 900
ALLOY

SOCKET 212,000 HIGH CARBON


SET PSI QUENCHED 9* 16* 30* 70* 140* 18 29 43 63 100 146
SCREW TEMPERED

STUDS Use SAE 2, 5 and 8 values when grade is known, with nut of sufficient strength.

*Torque values in in-lbs.


Table C-3. Metric Torque Values
MINIMUM BODY SIZE OR OUTSIDE DIAMETER
FASTENER TYPE TENSILE MATERIAL # (number) mm (millimeters)
STRENGTH 2 3 4 5 6 8 10 6.4 7.9 9.5 11.1 12.7 14.3 15.9 19.1 22.2 25.4
SAE 2 5,202 LOW
STEEL kg/cm2 CARBON 8.3 16.6 27.7 44.3 65.0 95.4 132.8 214.4 283.5 428.7

SAE 5 8,436 MEDIUM


STEEL kg/cm2 CARBON HEAT 1.6 2.5 13.8 26.3 45.6 74.7 107.9 157.7 213.0 355.4 528.3 811.8
TREAT

SAE 7 9,350 MEDIUM


STEEL kg/cm2 CARBON 18.0 34.6 60.8 98.2 152.1 213.0 297.3 497.9 788.3 1161.7
ALLOY

SAE 8 10,545 MEDIUM


STEEL kg/cm2 CARBON 19.4 40.1 65.0 107.9 164.6 233.7 318.1 525.5 829.8 1220.0
ALLOY

SAE 8 10,545 MEDIUM


STEEL kg/cm2 CARBON 19.4 40.1 65.0 107.9 164.6 233.7 318.1 525.5 829.8 1220.0
ALLOY

SOCKET 14,904 HIGH CARBON


SET kg/cm2 QUENCHED 1.0 1.8 3.4 8.1 16.1 24.9 40.1 59.5 87.1 138.3 201.9
SCREW TEMPERED

STUDS Use SAE 2, 5 and 8 values when grade is known, with nut of sufficient strength.

foot-pounds (ft-lbs) x 1.356 = Newton-meters (Nm)inch-pounds (in-lbs) x 0.113 = Newton-meters (Nm)

C-2 2003 Buell XB9R: Appendix C

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