GL500 and GL650 torque values and thread sizes
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General torque values
For bolts not specified in the tables below, use these values.
| Item |
Torque (ft/lb) |
| 5mm bolt/nut |
3.3-4.3 |
| 5mm screw |
2.5-3.6 |
| 6mm bolt/nut |
6-9 |
| 6mm screw |
5-8 |
| 6mm flange bolt/nut |
7-10 |
| 8mm bolt/nut |
13-18 |
| 8mm flange bolt/nut |
17-22 |
| 10mm bolt/nut |
22-29 |
| 10mm flange bolt/nut |
22-29 |
| 12mm bolt/nut |
36-43 |
Engine
| Item |
Number of |
Thread dia. (mm) |
Torque (ft/lb) |
| Crankshaft cap bolt |
7 |
8 |
14-17 |
| Connecting rod cap nut |
4 |
8 |
20-23 |
| Cylinder head bolt |
8 |
12 |
36-43 |
| Valve adjuster lock nut |
8 |
6 |
11-13 |
| Flywheel bolt |
1 |
12 |
65-76 |
| Clutch center lock nut |
1 |
20 |
58-72 |
| Primary drive gear bolt |
1 |
12 |
58-69 |
| Starter clutch torx bolt |
3 |
8 |
13-18 |
| Cam sprocket lock nut |
1 |
20 |
58-72 |
| Cam sprocket bolt |
2 |
7 |
12-14 |
| Cooling fan bolt |
1 |
8 |
14-18 |
| Radiator drain bolt |
1 |
12 |
1.1-2.2 (very low) |
Frame/chassis
| Item |
Number of |
Thread dia. (mm) |
Torque (ft/lb) |
| Air cleaner case |
2 |
6 |
4-7 |
| Brake pedal stopper bolt |
1 |
6 |
4-7 |
| Drive shaft lock bolt |
1 |
8 |
13-20 |
| Engine mount bolt |
2 |
12 |
43-58 |
| Engine mount bolt |
4 |
10 |
33-51 |
| Exhaust pipe joint nut |
4 |
6 |
6-10 |
| Final drive flange bolt |
5 |
10 |
29-36 |
| Front engine hanger nut |
4 |
10 |
22-29 |
| Front axle nut |
1 |
12 |
40-47 |
| Front axle holder nut |
4 |
8 |
13-18 |
| Foot peg bolt |
2 |
10 |
22-29 |
| Foot peg bolt (Passenger) |
2 |
10 |
33-43 |
| Fork bridge pinch bolt |
2 |
7 |
7-11 |
| Front brake caliper mount bolt |
2 |
10 |
22-33 |
| Front brake caliper pivot bolt |
1 |
12 |
18-22 |
| Front brake caliper bolt |
1 |
8 |
14-18 |
| Fuel valve nut |
1 |
18 |
14-18 |
| Gear shift pedal bolt |
1 |
6 |
7-10 |
| Handlebar holder bolt |
4 |
8 |
18-25 |
| Muffler band bolt |
4 |
8 |
13-20 |
| Power chamber bolt |
3 |
8 |
17-22 |
| Steering stem nut |
1 |
24 |
65-87 |
| Rear axle nut |
1 |
14 |
36-58 |
| Rear axle pinch bolt |
1 |
8 |
14-22 |
| Rear brake pedal bolt |
1 |
6 |
7-11 |
| Rear brake stopper arm bolt |
2 |
8 |
11-18 |
| Rear shock absorber mount bolt |
2 |
10 |
33-40 |
| Shock linkage pivot bolt |
4 |
10 |
33-40 |
| Steering stem pinch bolt |
2 |
10 |
22-29 |
| Swing arm pivot bolt |
1 |
30 |
7-9 |
| Swing arm pivot lock nut |
1 |
30 |
65-87 |
| Final gear case nut |
3 |
10 |
33-51 |
| Side stand pivot bolt |
1 |
10 |
7-14 |
| Side stand pivot nut |
1 |
10 |
22-29 |
| Main stand bolt |
2 |
10 |
22-29 |
| Rear fender bolt |
2 |
14 |
22-29 |
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