Tightening Torque; Specified Torque - Yamaha F4 Service Manual

SPEC

TIGHTENING TORQUE

SPECIFIED TORQUE

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