Checking The Timing Chain And Timing Chain Guide - Yamaha YP250R 2005 Service Manual

CRANKSHAFT
2. Remove:
• crankshaft assembly 1
NOTE:
• Remove the crankshaft assembly with the
crankcase separating tool 2.
• Make sure that the crankcase separating tool
is centered over the crankshaft.
CAUTION:
Do not tap on the crankshaft.
Crankcase separating tool
90890-01135
EAS00207
CHECKING THE TIMING CHAIN AND
TIMING CHAIN GUIDE
1. Check:
• timing chain
Damage/stiffness → Replace the timing
chain and camshaft sprocket as a set.
2. Check:
• timing chain guide (intake side)
Damage/wear → Replace the defective
part(s).
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ENG