Yamaha Vmax VMX17C 2009 - Removing the Camshafts

CAMSHAFTS
5-13
EAS23820
REMOVING THE CAMSHAFTS
Rear cylinders
1. Position:
• Piston #1
(at TDC)
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a. Position piston #1 at TDC by turning the
crankshaft counterclockwise until the “T1”
mark “a” on the generator rotor is aligned with
the stationary pointer “b” on the generator
cover.
T
IP
TDC on the compression stroke can be found
when the “I” mark “c” in the intake camshaft gear
(rear cylinders) is aligned with the edge of the
cylinder head “d”.
▲▲▲▲ ▲ ▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲▲▲▲
2. Remove:
• Exhaust camshaft caps (rear cylinders)
NOTICE
ECA13720
To prevent damage to the cylinder head,
camshafts or camshaft caps, loosen the
camshaft cap bolts in stages and in a criss-
cross pattern, working from the outside in.
T
IP
The identification marks on the camshaft caps
are the same for both the front and rear cylin-
ders; therefore, be sure to identify the cylinder of
each camshaft cap so that it can be reinstalled in
its original place.
3. Remove:
• Exhaust camshaft (rear cylinders)
4. Remove:
• Timing chain tensioner (rear cylinders)
• Timing chain tensioner gasket (rear cylin-
ders)
5. Remove:
• Rear cylinder timing chain guide (intake side)
6. Remove:
• Intake camshaft caps (rear cylinders)
NOTICE
ECA13720
To prevent damage to the cylinder head,
camshafts or camshaft caps, loosen the
camshaft cap bolts in stages and in a criss-
cross pattern, working from the outside in.
T
IP
The identification marks on the camshaft caps
are the same for both the front and rear cylin-
ders, therefore, be sure to identify the cylinder of
each camshaft cap so that it can be reinstalled in
its original place.
7. Remove:
• Intake camshaft (rear cylinders) “1”
T
IP
To prevent the timing chain from falling into the
crankcase, secure it with a wire “2”.
8. Remove:
• Intake camshaft sprocket (rear cylinders)
• Intake camshaft gear (rear cylinders)
T1
ab
d
c
1
2