Part to be tightened Part name
Thread
size
Q’ty
Tightening torque
Remarks
Nm m · kg ft · lb
Crankcase
Bolt M8 3 26 2.6 19
Bolt M6 14 10 1.0 7.2
Bolt M6 1 10 1.0 7.2
Bearing housing (clutch housing
assembly)
Bolt M6 1 10 1.0 7.2
Oil seal (engine cooling fan pulley)
Retainer
Bolt M5 2 7 0.7 5.1
Drive belt case
Bolt M6 9 10 1.0 7.2
Drive belt cover
Bolt M6 14 10 1.0 7.2
Engine cooling fan
Bolt M6 2 7 0.7 5.1
Air shroud 2 and A.C. magneto cover
Bolt M6 4 10 1.0 7.2
Engine cooling fan pulley
Bolt M10 1 55 5.5 40
Engine cooling fan air duct assembly
Bolt M6 1 7 0.7 5.1
Stator assembly
Screw M6 3 7 0.7 5.1
Pickup coil
Bolt M5 2 7 0.7 5.1
Stator lead holder
Bolt M6 2 10 1.0 7.2
A.C. magneto cover
Bolt M6 12 10 1.0 7.2
Starter clutch
Bolt M8 3 30 3.0 22
Clutch carrier assembly
Nut M22 1 160 16.0 115 Stake
Clutch housing assembly
Bolt M6 9 10 1.0 7.2
Bearing retainer (middle drive shaft)
Screw M8 4 29 2.9 21
Middle drive pinion gear
Nut M22 1 145 14.5 105 Stake
Middle drive shaft bearing housing
Bolt M8 4 32 3.2 23
Middle driven pinion gear bearing
Retainer
Nut M60 1 110 11.0 80
Left-hand
threads
Middle driven pinion gear bearing
Housing
Bolt M8 4 25 2.5 18
Primary sheave assembly
Nut M16 1 120 12.0 85
Primary pulley sheave cap
Screw M4 8 3 0.3 2.2
Secondary sheave assembly
Nut M16 1 100 10.0 72
Secondary sheave spring retainer
Nut M36 1 90 9.0 65
Shift lever cover
Bolt M6 4 10 1.0 7.2
Shift lever 2 assembly
Bolt M6 1 14 1.4 10
Shift drum stopper
Bolt M6 1 18 1.8 13
Shift arm
Bolt M6 1 14 1.4 10
Select lever unit Bolt M6 3 15 1.5 11
Plug (right crankcase) — M14 1 18 1.8 13
Water pump assembly Bolt M6 2 10 1.0 7.2
Water pump housing cover Bolt M6 2 12 1.2 8.7
Coolant drain bolt — M6 1 10 1.0 7.2
Coolant inlet joint Bolt M6 2 10 1.0 7.2
Coolant outlet joint Bolt M6 2 10 1.0 7.2
Air bleed bolt (coolant outlet joint) — M6 1 9 0.9 6.5
SPECIFICATIONS
- 73-
Part to be tightened Part name
Thread
size
Q’ty
Tightening torque
Remarks
Nm m.kg ft · lb
Coolant reservoir Bolt M6 2 7 0.7 5.1
Radiator bracket and frame Bolt M6 4 7 0.7 5.1
Fuel pump Bolt M6 2 7 0.7 5.1
Fuel tank Bolt M8 2 30 3.0 22
Muffler stay Bolt M6 2 11 1.1 8.0
Muffler and exhaust pipe Bolt M8 1 20 2.0 14
Muffler bracket and muffler Bolt M8 2 20 2.0 14
Muffler bracket and frame Bolt M8 2 20 2.0 14
Muffler damper and muffler Bolt M6 1 10 1.0 7.2
Muffler damper and frame Bolt M6 1 10 1.0 7.2
Exhaust pipe Nut M8 2 14 1.4 10
Air duct assembly 1 Bolt M6 2 7 0.7 5.1
Air duct assembly 2 and left protector Bolt M6 1 7 0.7 5.1
Air duct assembly 2 and frame Bolt M6 1 7 0.7 5.1
Gear position switch Bolt M5 2 7 0.7 5.1
Thermo switch 1 (cylinder head)
— 1/8 1 8 0.8 5.8
Thermo switch 3 (radiator) — M18 1 28 2.8 20
Reverse switch — M10 1 20 2.0 14
Engine ground lead Bolt M6 1 10 1.0 7.2
Starter motor and engine Bolt M6 2 10 1.0 7.2
.