Yamaha PW50W 2007 Service Manual page 21

Part to be tightened
Spark plug
Cylinder head
Autolube pump
Autolube pump cover
Primary drive gear
Kick crank
Reed valve-Manifold
Air filter case
Ignition coil
Rotor
Stator
Exhaust manifold
Exhaust chamber assembly
Muffler
Exhaust chamber protector
Bearing retainer (Main axle)
Middle driven pinion (Screw)
Plate bearing cover (Ring gear)
Crankcase
Crankcase cover (Right)
Transmission oil drain bolt
Oil plug
Protector (Crankcase cover Right)
Magneto cover (Left)
Plate cover (Crankcase Right)
MAINTENANCE SPECIFICATIONS
Thread size
M14 x 1.25
M6 x 1.0
M5 x 0.8
5 Tapping
Ø
M10 x 1.25
M6 x 1.0
M6 x 1.0
M6 x 1.0
M6 x 1.0
M12 x 1.25
M6 x 1.0
M6 x 1.0
M8 x 1.25
M8 x 1.25
M6 x 1.0
M6 x 1.0
M45 x 1.5
M6 x 1.0
M6 x 1.0
M6 x 1.0
M8 x 1.25
M14 x 1.5
M6 x 1.0
M5 x 0.8
M6 x 1.0
2-5
SPEC
Tightening
torque
Q'ty
Nm m·kg ft·lb
1 20 2.0 14
4 10 1.0 7.2
2 4 0.4 2.9
1 4 0.4 2.9
1 30 3.0 22
1 10 1.0 7.2
4 8 0.8 5.8
1 4 0.4 2.9
2 9 0.9 6.5
1 43 4.3 31
2 9 0.9 6.5
2 9 0.9 6.5
1 18 1.8 13
1 18 1.8 13
4 9 0.9 6.5
2 12 1.2 8.7
1 60 6.0 43 Left hand thread
2 12 1.2 8.7
8 8 0.8 5.8
5 8 0.8 5.8
1 14 1.4 10
1 2 0.2 1.4
1 9 0.9 6.5
3 4 0.4 2.9
1 9 0.9 6.5
Remarks
Yamaha bond
No.1215