Tightening Torques; Specified Torques - Yamaha EK40G Service Manual

SPEC

Tightening torques

Specified torques

Part to be tightened
Fuel system
Main jet
Power unit
Power unit mounting bolt
Flywheel nut
Manual starter nut
Manual starter bolt
Starter motor bolt
Starter relay terminal nut
Cylinder head bolt
Cylinder head cover bolt
Exhaust outer cover bolt
Crankcase bolt
Spark plug
Lower unit
Check screw
Drain screw
Lower case mounting bolt
Lower case cap bolt (EK40G)
Cooling water inlet cover (EK40J)
Propeller nut (EK40J)
Propeller shaft housing ring nut (EK40J)
Pinion nut (EK40J)
Bracket unit
Throttle grip screw
Engine stop lanyard switch nut
Upper mount nut
Lower mount nut
Clamp bolt
Self locking nut
Bracket nut
Clamp pad bolt
Tilt lever bolt
Grease nipple
2-9
Specifications
Thread size
—
M8
M20
M6
M6
M8
M6
1st
M8
2nd
M6
M6
1st
M8
2nd
M14
—
—
M8
1st
M6
2nd
M5
M16
—
M12
M5
—
M8
M12
1st
M8
2nd
M22
M6
M6
M5
—
Tightening torques
N·m kgf·m
4 0.4
21 2.1
160 16
10 1.0
15 1.5
29 2.9
4 0.4
15 1.5
30 3.0
12 1.2
8 0.8
20 2.0
40 4.0
25 2.5
9 0.9
9 0.9
21 2.1
4 0.4
8 0.8
4 0.4
35 3.5
90 9.0
74 7.4
3 0.3
5 0.5
28 2.8
55 5.5
14 1.4
24 2.4
45 4.5
24 2.4
10 1.0
4 0.4
3 0.3
ft·lb
3.0
15.5
115
7.2
11.1
21
3.0
11.1
22
8.7
5.8
15
29.5
18
6.6
6.6
15.5
3.0
5.8
3.0
25.3
65
54.6
2.2
3.6
20
40
10
17.7
33
17.7
7.2
3.0
2.2
6H95G11