Yamaha T135SE Service Manual page 135

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Yamaha T135 Service Manual
4-19
CAMSHAFT
EAS00205
CHECKING THE CAMSHAFT
1. Check:
9camshaft lobes
Blue discoloration/pitting/scratches
→ Replace the camshaft.
2. Measure:
9camshaft lobe dimensions a and b
Out of specification
camshaft.
Camshaft lobe dimension limit
Intake
a a 29.613 mm (1.1659 in)
b b 25.043 mm (0.9859 in)
Exhaust
a a 29.912 mm (1.1776 in)
b b 24.989 mm (0.9838 in)
3. Check:
9camshaft oil passage
Obstructions → Blow out with compressed
air.
EAS00206
CHECKING THE ROCKER ARMS AND
ROCKER ARM SHAFTS
The following procedure applies to all of the
rocker arms and rocker arm shafts.
1. Check:
9rocker arm
Damage/wear → Replace.
ENG
→
Replace the