Checking The Camshaft Sprockets And Timing Chain Guides; Checking The Timing Chain Tensioner - Yamaha XJR1300(L) 99 Service Manual

CAMSHAFTS
5. Measure:
S camshaft journal diameter a
Out of specification ! Replace the cam-
shaft.
Within specification ! Replace the cylinder
head and the camshaft caps as a set.
Camshaft journal diameter
24.967 X 24.980 mm
EAS00208
CHECKING THE CAMSHAFT SPROCKETS,
AND TIMING CHAIN GUIDES
The following procedure applies to all of the
camshafts sprockets and timing chain guides.
1. Check:
S camshaft sprocket
Damage/wear ! Replace the camshaft
sprockets and the timing chain as a set.
2. Check:
S timing chain guide (exhaust side)
S timing chain guide (top side)
Damage/wear ! Replace the defective
part(-s).
EAS00210

CHECKING THE TIMING CHAIN TENSIONER

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