Yamaha XJR1300(L) 99, Service Manual

Page: 123 / 338

4-11
ENG
CAMSHAFTS
5. Measure:
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 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:
camshaft sprocket
Damage / wear
Replace the camshaft
sprockets and the timing chain as a set.
2. Check:
timing chain guide (exhaust side)
timing chain guide (top side)
Damage / wear
Replace the defective
part(-s).
EAS00210
CHECKING THE TIMING CHAIN TENSIONER
1. Check:
timing chain tensioner
Cracks / damage
Replace.
2. Check:
one-way cam operation
Rough movement
Replace the timing
chain tensioner housing.
3. Check:
cap bolt
copper washer
spring
one-way cam
gasket
timing chain tensioner rod
Damage / wear
Replace the defective
part(-s).