Yamaha VMX12H Supplementary Service Manual page 152

INSPECTION A N D REPAIR
6. Remove:
7. Measure:
W i d t h of
Out specification
of
Camshaft-to-cap Clearance:
Standard: 0.020
M a x i m u m : 0.160
8. Measure:
Camshaft outside diameter
Use a micrometer.
O u t of specification
W i t h i n specification
head.
Camshaft Outside Diameter:
Standard: 24.967
C a m Cap Inside Diameter:
Standard: 25.000
C a m Chains
1. Inspect:
chains
Chain
Cam Sprockets
1. Inspect:
sprockets
Chain Dampers
1. Inspect:
Upper damper
damper
Rear damper
Wear
caps
F o l l o w step 8.
-
0.054
mm
(0.0008 0.0021 i n )
(0.006 in)
Replace camshaft.
Replace cylinder
-
-
24.980 mm
(0.9830 0.9835 in)
25.021 mm
0.9851 in)
Replace.
Replace.
Replace.
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