APPENDIX D
Standard Bolt Torque Values
Above Ground Model 250i Motorcycle Dynamometer Installation Guide
D-2
STANDARD BOLT TORQUE VALUES
Always use the torque values specified in other sections of this manual. When specific
values are not available, use the torque values listed below. Use the following
guidelines when tightening torque:
• These values are based on use of clean, dry threads.
• The following tables include values for plain finish and plated fasteners.
• Reduce torque by 10% when engine oil is used as a lubricant.
The following tables are meant to be used as guidelines for Dynojet
product torque values only. Always use caution when torquing fasteners.
GRADE 5
size torque, plain torque, plated
in-
threads/in in•lb ft•lb N•m in•lb ft•lb N•m
1/4-20 101 8 11 76 6 9
1/4-28 116 10 13 87 7 10
5/16-18 209 17 24 157 13 18
5/16-24 231 19 26 173 14 20
3/8-16 371 31 42 278 23 31
3/8-24 420 35 47 315 26 36
7/16-14 593 49 67 445 37 50
7/16-20 662 55 75 497 41 56
1/2-13 905 75 102 678 57 77
1/2-20 1019 85 115 765 64 86
9/16-12 1305 109 147 979 82 111
9/16-18 1456 121 164 1092 91 123
5/8-11 1801 150 203 1351 113 153
5/8-18 2040 170 230 1530 128 173
3/4-10 3194 266 361 2395 200 271
3/4-16 3567 297 403 2675 223 302
7/8-9 5154 430 582 3866 322 437
7/8-14 5679 473 642 4259 355 481
1-8 7727 644 873 5795 483 655
1-12 8453 704 955 6340 528 716
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