Removing The Camshaft And Valve Lifters; Checking The Camshaft - Yamaha EH63 Service Manual

PISTONS, CAMSHAFT, CRANKCASE, AND CRANKSHAFT
a
b
a
b
2
1
REMOVING THE CAMSHAFT AND VALVE
LIFTERS
The following procedure applies to all of the camshaft and
valve lifters.
1.
Remove:
• Camshaft "1"
TIP
• Since there are two types of camshafts, refer to the illus-
tration and check the camshaft gear mark.
1
• Remove the camshaft "1" when the camshaft gear mark
"a" and the crankshaft gear mark "b" are aligned as
shown.
1
2.
Remove:
2
• Intake valve lifters "1"
1
• Exhaust valve lifters "2"
NOTICE
Mark so as not to confuse the valve lifters when
installing.

CHECKING THE CAMSHAFT

1.
Check:
• Camshaft
Cracks/damage/wear  Replace.
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