Yamaha YW125Y_ Utility Trailer User Manual


 
ENG
5-17
THE ROCKER ARMS AND CAMSHAFT
Above 0.034mm (0.0013in) J Replace the de-
fective part(s).
Rocker-arm-to-rocker-arm-shaft
clearance
0.009 ~ 0.034mm (0.0004 ~
0.0013in)
EAS00207
CHECKING THE TIMING CHAIN, CAMSHAFT
SPROCKET AND TIMING CHAIN GUIDES
The following procedure applies to all of the cam-
shaft sprocket and timing chain guides.
1. Check:
8timing chain
Damage/stiffness J Replace the timing
chain and camshaft sprocket as a set.
2. Check:
8camshaft sprocket
More than 1/4 tooth wear a J Replace
the camshaft sprocket and the timing
chain as a set.
a 1/4 tooth
b Correct
1 Timing chain roller
2 Camshaft sprocket
3. Check:
8timing chain guide (exhaust side)
8timing chain guide (intake side)
Damage/wear J Replace the defective
part(s).
1
b
a
2
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