Yamaha PW50W 2007, Service Manual, Page: 21 / 168

Spark plug M14 x 1.25 1 20 2.0 14
Cylinder head M6 x 1.0 4 10 1.0 7.2
Autolube pump M5 x 0.8 2 4 0.4 2.9
Autolube pump cover
Ø
5 Tapping 1 4 0.4 2.9
Primary drive gear M10 x 1.25 1 30 3.0 22
Kick crank M6 x 1.0 1 10 1.0 7.2
Reed valve-Manifold M6 x 1.0 4 8 0.8 5.8
Air filter case M6 x 1.0 1 4 0.4 2.9
Ignition coil M6 x 1.0 2 9 0.9 6.5
Rotor M12 x 1.25 1 43 4.3 31
Stator M6 x 1.0 2 9 0.9 6.5
Exhaust manifold M6 x 1.0 2 9 0.9 6.5
Exhaust chamber assembly M8 x 1.25 1 18 1.8 13
Muffler M8 x 1.25 1 18 1.8 13
Exhaust chamber protector M6 x 1.0 4 9 0.9 6.5
Bearing retainer (Main axle) M6 x 1.0 2 12 1.2 8.7
Middle driven pinion (Screw) M45 x 1.5 1 60 6.0 43 Left hand thread
Plate bearing cover (Ring gear) M6 x 1.0 2 12 1.2 8.7
Crankcase M6 x 1.0 8 8 0.8 5.8 Yamaha bond
No.1215
Crankcase cover (Right) M6 x 1.0 5 8 0.8 5.8
Transmission oil drain bolt M8 x 1.25 1 14 1.4 10
Oil plug M14 x 1.5 1 2 0.2 1.4
Protector (Crankcase cover Right) M6 x 1.0 1 9 0.9 6.5
Magneto cover (Left) M5 x 0.8 3 4 0.4 2.9
Plate cover (Crankcase Right) M6 x 1.0 1 9 0.9 6.5
SPEC
2-5
MAINTENANCE SPECIFICATIONS
Part to be tightened Thread size Q’ty
Tightening
torque
Remarks
Nm m·kg ft·lb
5PG-7-10 19 06.5.16, 17:42:15