Piston Pin And Piston - Yamaha CW50L Service Manual

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I __ PISTON PIN AND PISTON :" 3. Install:
1. Apply: C) • CylinderO
_ • Engine oil O - J// NOTE:
(to crankshaft bearing, connecting rod big
end bearing, small end bearing, piston pin, Install the cylinder with one hand, while corn-
, _ piston ring grooves and piston skirt.) pressing the piston rings with the other hand.
3¢aoo4
• Small end bearing • Cylinder head gasket (new gasket)
• Piston O
• Piston pin (_) 5. Install:
• Piston pin clip (_) • Cylinder head (_
NOTE: • Spark plug (_)
• The arrow _) on the piston must point to the NOTE:
exhaust side. •Tighten the cylinder head holding nuts instages,
_o7o1_ o Before installing the piston pin clip, cover the 3o, c_ and crisscross sequence.
crankcase with a clean towel or rag so you will •The arrow@ on the cylinder head must point to
not accidentally drop the pin clip and material the front.
into the crankcase.
J' t.u, (c,,,o°.r,o.,,
• The ends of the piston pin clip must not 10 Nm (1.0 m.kg, 7.2 ft.lb)
i Spark plug:
come together at the slot in the piston 20 Nm (2.0 m.kg, 14.0 ft.lb)
groove.
• Always use a new piston pin clip.
c__c_ ns
1. Install: _ • Center stand (_)
o Cylinder gasket (new gasket) • Shaft (_)
2. Check: • Clamp_)
• Piston rings (_ • Rubber washer (_
NOTE: (_ • Clip (_)
• Make sure the ring ends (_) are propedy fitted • Spring (_)
around the ring locating pins inthe piston grooves.
3o7o13 • Be sure to check the manufacturer's marks or 358oo2
numbers stamped on the rings are on the top
side of the rings. _ _ 7. Install:
• Brake shoes 0
• Plain washer @
• Rear wheel
• Plate washer
• Nut
3480O1
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