2-9
E
SPEC
TIGHTENING TORQUE
TIGHTENING TORQUE
SPECIFIED TORQUE
Part to be tightened
Part
Thread
Q’ty
Tightening torque
name
size
Nm
m•kgf
ft•lb
POWER UNIT
Oil drain
Bolt
M8
1
20
2.0
14.5
Spark plug
—
M14
1
25
2.5
18
Recoil starter
Bolt
M6
3
8
0.8
5.8
Flywheel rotor ass’y
Nut
M10
1
44
4.4
32
Carburetor
Bolt
M6
2
8
0.8
5.8
Intake manifold
Bolt
M6
2
8
0.8
5.8
Cylinder head cover
Bolt
M6
4
11
1.1
8.0
Cylinder head
1st
Bolt
M8
4
15
1.5
10.8
2nd
30
3.0
22
1st
Bolt
M6
1
6.0
0.6
4.3
2nd
12
1.2
8.7
Locknut (rocker arm)
Nut
M6
2
10
1.0
7.2
Power unit mounting
Bolt
M6
7
8
0.8
5.8
Thermostat cover
Bolt
M6
3
8
0.8
5.8
Breather cover
Bolt
M6
3
8
0.8
5.8
Crankcase
1st
Bolt
M8
7
10
1.0
7.2
2nd
22
2.2
16
Connecting rod
Bolt
M7
2
12
1.2
8.7
Oil splash gear unit
Bolt
M6
1
8
0.8
5.8
LOWER UNIT
Lower unit mounting
1st
Bolt
M6
2
3
0.3
2.17
2nd
8
0.8
5.8
Propeller shaft housing
1st
Bolt
M6
2
3
0.3
2.17
2nd
8
0.8
5.8
Anode
1st
Bolt
M6
1
3
0.3
2.17
2nd
8
0.8
5.8
BRACKET
Steering handle mounting (pivot)
Bolt
M8
1
18
1.8
13
Shift lever
Bolt
M6
1
4.5
0.45
3.25
Swivel bracket 3
1st
Bolt
M6
2
3
0.3
2.17
2nd
8
0.8
5.8
Tilt lock plate
1st
Nut
M6
2
3
0.3
2.17
2nd
8
0.8
5.8
Clamp bracket
Nut
M8
1
13
1.3
9.4
Swivel bracket 2 (upper casing)
1st
Bolt
M6
6
3
0.3
2.17
2nd
8
0.8
5.8
Water pump housing
1st
Bolt
M6
4
3
0.3
2.17
2nd
8
0.8
5.8
ELECTRICAL
Ignitor ass’y
Bolt
M6
2
8
0.8
5.8