Checking The Timing Chains, Camshaft Sprockets, And Timing Chain Guides; Checking The Timing Chain Tensioners - Yamaha XVZ13TF 1999 Service Manual

CAMSHAFTS
EAS00209
CHECKING THE TIMING CHAINS, CAM-
SHAFT SPROCKETS, AND TIMING CHAIN
GUIDES
The following procedure applies to all of the tim-
ing chains, camshaft sprockets, and timing
chain guides.
1. Check:
S timing chain 1
Damage/stiffness ! Replace the timing
chain and its respective camshaft sprockets
as a set.
2. Check:
S camshaft sprocket
Damage/wear ! Replace the respective
camshaft sprockets and the respective tim-
ing chain as a set.
3. Check:
S timing chain guide (exhaust side)
S timing chain guide (intake side)
S timing chain guide (top side)
Damage/wear ! Replace the defective
part(-s).
EAS00211
CHECKING THE TIMING CHAIN TENSION-
ERS
The following procedure applies to both of the
timing chain tensioners.
1. Check:
S timing chain tensioner
Cracks/damage ! Replace.
2. Check:
S one-way cam operation
Rough movement ! Replace the timing
chain tensioner housing.
3. Check:
S cap bolt
S copper washer
S spring
S one-way cam
S gasket
S timing chain tensioner rod
Damage/wear ! Replace the defective
part(-s).
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ENG