Yamaha Vmax VMX17C 2009, Service Manual, Page: 286 / 583

CAMSHAFTS
5-13
EAS23820
REMOVING THE CAMSHAFTS
Rear cylinders
1. Position:
• Piston #1
(at TDC)
▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼
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.
TIP
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.
TIP
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.
TIP
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”
TIP
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
a b
d
c
1
2