Yamaha WR250F Manuel D'atelier page 364

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CYLINDER AND PISTON

2. Position:

Offset the piston ring end gaps as

a Top ring end

b 2nd ring end

c Oil ring end (upper)

e Oil ring end (lower)

Piston pin 2

Piston pin clip 3

Apply engine oil onto the piston pin and pis-

Be sure that the arrow mark a on the piston

points to the exhaust side of the engine.

Before installing the piston pin clip, cover the

crankcase with a clean rag to prevent the

piston pin clip from falling into the crankcase.

Install the piston pin clips with their ends fac-

ing downward.

1. Lubricate:

Apply a liberal coating of engine oil.

Apply the lithium soap base grease on the O-

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