GL500 and GL650 torque values and thread sizes


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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