A P P E N D I X 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.
G
RADE
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
