Yamaha TW200 Service Manual page 106

INSPECTION AND REPAIR
I
ENG'I ' ..
I
3. Measure:
- Spring tilt
®
Out of
specification~Replace.
Inner spring
Less than
1.6 mm (0.063 in)
Spring Tilt:
Outer spring
Less'than
1.6 mm (0.063 in)
CAMSHAFT
1. Inspect:
-Cam lobes
Pitting / Scratches/ Blue discoloration
~
Replace.
2. Measure:
-Cam lobes
Out of
specification~Replace.
®
Intake
Exhaust
®
36.54-36.64 mm 30.15-30.25 mm
(1.439-1.443 in) (1.187-1.191 in)
36.58-36.68 mm 30.27-30.37 mm
(1.440-1.444 in) (1.192-1.196 in)
ROCKER ARM AND ROCKER ARM
SHAFT
1. Inspect:
- Rocker arm shaft
Blue discoloration/
Grooves~
Replace, then
inspect lubrication system.
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