Checking The Timing Chain And Timing Chain Guide(Intake Side); Checking The Bearings And Oil Seals - Yamaha YW125Y 2009 Service Manual

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CHECKING THE TIMING CHAIN AND TIMING

CHAIN GUIDE(INTAKE SIDE)

8 timing chain

Damage/stiffness

chain and camshaft sprocket as a set.

8 timing chain guide (intake side)

CHECKING THE BEARINGS AND OIL

Clean and lubricate the bearings, then ro-

tate the inner race with your finger.

Rough movement

Replace the timing

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