Yamaha E40J - Specified Torques; Tightening Torques

SPEC
2-9
6F65G11
Specifications
Tightening torques
Specified torques
Part to be tightened Thread size
Tightening torques
N·m kgf·mft·lb
Fuel system
Main jet — 4 0.4 3.0
Power unit
Power unit mounting bolt M8 21 2.1 15.5
Flywheel nut M20 160 16 115
Manual starter nut M6 10 1.0 7.2
Manual starter bolt M6 15 1.5 11.1
Starter motor bolt M8 29 2.9 21
Starter relay terminal nut M6 4 0.4 3.0
Neutral switch nut — 4 0.4 3.0
Cylinder head bolt
1st
M8
15 1.5 11.1
2nd 30 3.0 22
Cylinder head cover bolt M6 12 1.2 8.7
Exhaust outer cover bolt M6 8 0.8 5.8
Crankcase bolt
1st
M8
20 2.0 15
2nd 40 4.0 29.5
Spark plug M14 25 2.5 18
Lower unit
Check screw — 9 0.9 6.6
Drain screw — 9 0.9 6.6
Lower case mounting bolt M8 21 2.1 15.5
Lower case cap bolt (E40G)
1st
M6
4 0.4 3.0
2nd 8 0.8 5.8
Cooling water inlet cover (E40J) M5 4 0.4 3.0
Propeller nut (E40J) M16 35 3.5 25.3
Propeller shaft housing ring nut (E40J) — 90 9.0 65
Pinion nut (E40J) M12 74 7.4 54.6
Bracket unit
Throttle grip screw M5 3 0.3 2.2
Engine stop lanyard switch nut — 5 0.5 3.6
Upper mount nut M8 28 2.8 20
Lower mount nut M12 55 5.5 40
Clamp bolt
1st
M8
14 1.4 10
2nd 24 2.4 17.7
Self locking nut M22 45 4.5 33
Bracket nut M6 24 2.4 17.7
Clamp pad bolt M6 10 1.0 7.2
Tilt lever bolt M5 4 0.4 3.0
Grease nipple — 3 0.3 2.2