Yamaha CW50L Service Manual page 52

_ 9. Install: PISTON, CYLINDER AND CYLINDER HEAD
• Fan O _ Carburetor joint _ Cylinder gasket
Reed valve @ Piston ring
Screw (fan): I _ Gasket @Piston
6.5 Nm (0.65 m.kg, 4.7 ff.lb) _ Cylinder head (_ Piston pin
_!__ (_ Cylinder (_ Bearing
CST i
• Return spring (_)
• Kick shaft (_)
• Collar (_)
• Washer (_
• c ,rc,, o
• Return spring __ ,_-_ / _-_/
3. (to the kick gear and boSS)lnstall: ___ __
• Kick pinion gear (D (_ _-_ _'_
-'- _ - _
_o,_
Install the spring as shown.
4. Install: (_L_,,
f_)_,,_J _L;_' _,_J •Transmission case C)
_,,_) A Pistonclearance:
(_ 0.034- 0.047mm (0.0013 - 0.0018in)
B Piston rings end gap:
3_9o_ 0.15 ~ 0.30mm (0.006 ~ 0.012 in)
_ C Pistonrings side clearance:
• Kick crank (_) D Spark plug:
Bolt (kick crank): Manufacturer:NGK
8.5 Nm (6.85 m.kg, 6.15 ft.lb)
3040O3
317016
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