Tightening Torques; Engine Tightening Torques - Yamaha CS50 Service Manual

TIGHTENING TORQUES

ENGINE TIGHTENING TORQUES

Part to be tightened
Spark plug
Cylinder head and cylinder
Cylinder
Air protector 2 (A/C)
Air protector 3 (A/C)
Fan (A/C)
Automatic lubrication pump
Reed valve
Air filter
Carburettor cover
Exhaust pipe
Muffler
Exhaust pipe protector
Exhaust pipe cover
Crankcase
Cover of crankcase 2
Cover of crankcase 1
Air conduct (A/C)
Crankcase bracket
Drain bolt
Oil plug
Intermediate gear plate
Kickstarter
Starter motor
Clutch housing
Primary pulley
Magnet base
Magnet rotor
Cranckshaft oil seal stay
Water pump housing cover (L/C)
Water pump driver bolts (L/C)
Magnet cover (L/C)
TIGHTENING TORQUES
Thread
Part name
size
– M 14
Nut M 7
Stud M 7
Screw M 6
Screw M 6
Screw M 6
Screw M 5
Bolt M 6
Screw M 6
Screw M 4
Screw M 6
Bolt M 8
Bolt M 6
Bolt M 6
Bolt M 6
Bolt M 6
Bolt M 6
Screw M 6
Screw M 6
Bolt M 8
Plug M 14
Screw M 6
Bolt M 6
Bolt M 6
Nut M 10
Nut M 12
Screw M 6
Nut M 12
Bolt M 6
Bolt M 6
Bolt M 6
Bolt M 6
2-8
SPEC
Tightening
torque
Q'ty
Nm m•kg
1 20 2,0
4 14 1.4
4 17 1.7
3 7 0.7
1 2 0.2
3 7 0.7
2 4 0.4
4 11 1.1
1 9 0.9
2 2 0.2
2 9 0.9
2 26 2.6
2 0.7 0.7
5 0.7 0.7
6 10 1.0
6 10 1.0
12 12 1.2
2 7 0.7
2 7 0.7
1 18 1.8
1 3 0.3
2 8 0.8
1 9 0.9
2 13 1.3
1 40 4.0
1 45 4.5
2 8 0.8
1 43 4.3
1 8 0.8
3 7 0.7
3 6.5 0.65
3 6.5 0.65
Remarks