Yamaha FZS600'98, Service Manual

Page: 122 / 364

4-10
CAMSHAFT
ENG
1
NOTE:
4. Measure:
camshaft-journal-to-camshaft-cap clear-
ance
Out of specification
Measure the cam-
shaft journal diameter.
Camshaft-journal-to-
camshaft-cap clearance
0.08 mm
a. Install the camshaft into the cylinder head
(without the dowel pins and camshaft
caps).
b. Position a strip of Plastigauge

1 onto
the camshaft journal as shown.
c. Install the dowel pins and camshaft caps.
Tighten the camshaft cap bolts in stages
and in a crisscross pattern, working from
the inner caps out.
Do not turn the camshaft when measuring
the camshaft journal-to-camshaft cap
clearance with the Plastigauge

.
Camshaft cap bolt
10 Nm (1.0 m kg)
a. Remove the camshaft caps and then
measure the width of the Plastigauge

1 .
EB401421
CHECKING THE TIMING CHAIN,
CAMSHAFT SPFROCKETS, AND TIMING
CHAIN GUIDES
The following procedure applies to all of the
camshaft sprockets and timing chain guides.
1. Check:
timing chain 1
Damage / stiffness Replace the timing
chain and camshaft sprockets as a set.
2. Check:
camshaft sprocket
More than 1 / 4 tooth
a
wear Replace
the camshaft sprockets and the timing
chain as a set.
a 1 / 4 tooth
b
Correct
1
Timing chain roller
2
Camshaft sprocket
3. Check:
timing chain guide (exhaust side)
timing chain guide (intake side)
timing chain guide (top side)
Damage / wear
Replace the defective
part(-s).