– 11 –
SPEC
TIGHTENING TORQUES
TIGHTENING TORQUES
ENGINE TIGHTENING TORQUES
Item
Fastener
Thread
size
Q’ty
Tightening torque
Remarks
Nm m · kgf ft · lb
Cylinder head
Nut
M12
8
60
6.0
43
Rocker arm base
Bolt
M8
4
24
2.4
17
Rocker arm base
Bolt
M6
8
10
1.0
7.2
Front cylinder camshaft end cover
Bolt
M5
2
7
0.7
5.1
LT
Carburetor joint clamp
Screw
M4
1
4
0.4
2.9
Exhaust pipe
Nut
M8
4
20
2.0
14
Muffler
Bolt
M10
2
35
3.5
25
LT
Muffler clamp
Bolt
M8
2
20
2.0
14
Generator rotor
Bolt
M12
1
80
8.0
58
E
Pickup coil rotor
Bolt
M12
1
100
10.0
72
Clutch boss
Nut
M20
1
105
10.5
75
Stake
Pull lever
Bolt
M6
1
12
1.2
8.7
Middle drive gear
Nut
M22
1
100
10.0
72
Use a lock
washer.
Drive pulley case
Bolt
M10
3
50
5.0
36
Drive pulley case
Bolt
M8
4
30
3.0
22
Drive pulley
Nut
M22
1
100
10.0
72
Use a lock
washer.
Shift arm
Bolt
M6
2
14
1.4
10
Neutral switch
Screw
M6
2
4
0.4
2.9