Yamaha 60F - TIGHTENING TORQUE

2-12
SPEC
E
TIGHTENING TORQUE
C33000-0
TIGHTENING TORQUE
Parts to be tightened
Part
name
Thread
size
Q’ty Tightening torque
Remarks
50, 60,
70 hp
75, 80,
90 hp
Nm m • kg ft • lb
ENGINE:
Crank case
1st
Bolt M6 — 12
4 0.4 2.9
E
2nd 12 1.2 8.7
1st
Bolt M8 6 —
10 1.0 7.2
2nd 20 2.0 14
1st
Bolt M10 8 8
20 2.0 14
2nd 40 4.0 29
Connecting rod
1st
Bolt M8 — 6
12 1.2 8.7
E
2nd 35 3.5 25
Cylinder head
1st
Bolt M8
14
14 15 1.5 11
E
2nd
— 32 3.2 23
— 14 30 3.0 22
Exhaust cover
1st
Bolt M6 16 —
3 0.3 2.2
E
2nd 8 0.8 5.8
1st
Bolt M8 — 18
9 0.9 6.5
2nd 18 1.8 13
Intake manifold
1st
Bolt M6
8
12 4 0.4 2.9
2nd
— 8 0.8 5.8
— 12 12 1.2 8.7
Spark plug Bolt M14 3 3 25 2.5 18
Flywheel Nut M20 1 1 160 16.0 115
E
Power unit mounting Bolt M8 8 11 21 2.1 15
Starter motor mounting Bolt M8 2 2 20 2.0 14
242
LT
Straight screw plug Screw M12 1 1 23 2.3 1.7
UPPER CASE AND GEAR CASE:
Upper mount rubber Nut M10 2 2 24 2.4 17
271
LT
Bracket bolt Nut M22 1 1 15 1.5 11
Upper case mounting Bolt M8 11 11 21 2.1 15
Exhaust guide Bolt M8 4 4 21 2.1 15
Exhaust manifold Bolt M8 4 4 21 2.1 15
572
LT
Muffler Bolt M8 4 4 21 2.1 15
572
LT
Ring nut Nut —
1 — 130 13 94
50 hp
1 1 145 14.5 105
Pinion nut
Nut M12 1 — 75 7.5 54
E
50 hp
Nut M16 1 1 95 9.5 69
E
Lower case mounting Bolt M10 5 5 40 4.0 29
Propeller Nut M16 1 1 35 3.5 25
Tiller handle mounting Nut M10 1 1 38 3.8 27
Handle bracket mounting Nut M10 2 2 38 3.8 27