Yamaha F15A - Tightening Torque (F9.9 C); Specified Torque

SPEC
TIGHTENING TORQUE (F9.9C)
2-21
E
TIGHTENING TORQUE (F9.9C)
SPECIFIED TORQUE
Part to be tightened
Part Thread
Q’ty
Tightening torque
name size Nm m•kg ft•lb
POWER UNIT
Power unit mounting Bolt M8 6 21 2.1 15.2
Flywheel Nut M16 1 110 11.0 80
Carburetor Bolt M6 2 10 1.0 7.2
Oil filter — — 1 18 1.8 13
Oil filter plug (cylinder block) — M20 1 40 4.0 29
Spark plug — M12 2 18 1.8 13
Drive sprocket Nut M28 1 55 5.5 39.8
Driven sprocket Bolt M6 1 13 1.3 9.4
Cylinder head cover Bolt M6 4 8 0.8 5.8
Cylinder head Bolt M8 6 30 3.0 21.7
Bolt M6 3 12 1.2 8.7
Valve adjusting screw — M6 4 14 1.4 10.0
Oil pump cover Screw M6 2 4 0.4 2.9
Exhaust cover Bolt M6 7 12 1.2 8.7
Crankcase 1st
Bolt M8 4
15 1.5 10.8
2nd 30 3.0 22
1st
Bolt M6 6
6 0.6 4.5
2nd 12 1.2 8.7
Connecting rod 1st
Bolt M7 4
10 1.0 7.2
2nd 22 2.2 16
Anode mounting Bolt M5 1 5 0.5 3.6
Starter motor mounting Bolt M8 3 29 2.9 21
LOWER UNIT
Propeller Nut M10 1 17 1.7 12
Lower unit mounting Bolt M8 4 18 1.8 13
Pinion gear nut Nut M8 1 25 2.5 18
BRACKET
Tiller handle mounting (pivot) Nut M10 1 10 1.0 7.2
Tiller handle mounting locknut (pivot) Nut M10 1 23 2.3 16.6
Steering friction piece Bolt M6 1 4 0.4 2.9
Tilt stop lever Bolt M6 4 8 0.8 5.8
Upper rubber mounting Nut M8 2 21 2.1 15
Lower rubber mounting
Bolt/Nut M8 4 32 3.2 23
Cramp bracket Nut M22 2 12 1.2 8.7
Upper casing Bolt M8 6 18 1.8 13