Torque Specifications - Puch 1980-1981 Maintenance Manual

TORQUE SPECIFICATION
The torque reading in foot pounds is the torque required to bring any given bolt to its maximum safe
stress point.
Tension is the pressure in pounds per square inch (P.S.I.) that the bolt material can stand before
stretching occurs.
Tightening torque to be within a tolerance of 10
0/
».
Engine torque specification
Spark plug ft/lb ( Nm)
Cylinder head nuts 7 ft/lb (10 Nm)
Flywheel nut 25 ft/lb (35 Nm)
Crankcase screws 6 ft/lb ( 8 Nm)
Clutch cover screws 6 ft/lb ( 8 Nm)
Engine mounting bolts 23 ft/lb (32 Nm)
Clutch retaining nut, 2 speed 21-24 ft/lb (30-40 Nm)
Roller retaining. I. h. thread, 2 speed 25-36 ft/lb (35-50 Nm)
Clutch retaining nut, 1 speed 20 ft/lb (27 Nm)
Kickstand bearing bolts 6 ft/lb ( 8 Nm)
Manifold mounting bolts/nuts 6 ft/lb ( 8 Nm)
Frame torque specification
Front/rear axle nuts 20 ft/lb (27 Nm)
Rear shock top 17 ft/lb (23 Nm)
Rear shock bottom 9 ft/lb (12 Nm)
Rear fork bearing 29 ft/lb (40 Nm)
Handlebar bolts 10-12 ft/lb (15-16 Nm)
Crank wedge nuts ; 5 ft/lb ( 7 Nm)
Fender bracket hardware 4 ft/lb ( 6 Nm)
Steering head nut 30 ft/lb (41 Nm)
Fork tube clamp bolts ( M A G N U M MK II) 40 ft/lb (54 Nm)
Fork bridge plug screws ( M A G N U M MK II) 20 ft/lb (27 Nm)
Fork bridge bolts 11 ft/lb (15 Nm)
NOTE: Nm stands for Newton-meter which is an European standard measure. Its conversion factor
to receive ft/lb (foot-pounds) is 0,735.
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