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CHECKING THE TIMING CHAIN
TENSIONER ASSEMBLY
1. Check:
• lifter comp tensioned
Wear/damage
→
Replace.
3. Remove:
cam shaft comp
head comp cylinder
Fasten a safety wire to the timing chain to
prevent it from falling into crankcase.
CHECKING THE CAMSHAFT SPROCKET
1. Check:
• camshaft sprocket
More than 1/4 tooth wear → Replace the
cam shaft comp and timing chain as a set.
1/4 of a tooth
correct
roller
sprocket
CHECKING THE CYL. HEAD COVER ASSY
1. Check:
• cover assy head cylinder
• gasket cover head cylinder
Cracks/damage
→
Replace.
CHECKING THE TIMING CHAIN GUIDES
1. Check:
• guide tension cam chain
• guide cam chain
Wear/damage
→
Replace.
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CYLINDER HEAD
ENG
TIP
