Yamaha VMAX 2009 Service Manual page 295

ECA2S31034
NOTICE
Do not turn the crankshaft when installing
the camshaft to avoid damage or improper
valve timing.
TIP
• Be sure to install the timing chain so that the in-
take side of the chain is taut and the exhaust
side is slack.
• Make sure each camshaft cap is installed in its
original place. Refer to the identification marks
as follows:
Intake-left side: "2S3-73"
Intake-right side: "2S3-93"
• Make sure the punch mark "a" in the camshaft
is aligned with "I" mark "b" in the camshaft cap.
"2S3-73"
1
2
5. Install:
• Intake camshaft cap bolts
Intake camshaft cap bolt
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
ECA2S31035
NOTICE
The camshaft cap bolts must be tightened
evenly; otherwise, the cylinder head, cam-
shaft caps, and camshaft will be damaged.
TIP
• Lubricate the camshaft cap bolt mating surface
with molybdenum disulfide oil.
"2S3-93"
2
b
a
5-22
• Tighten the camshaft cap bolts in stages and in
a crisscross pattern.
6. Install:
• Timing chain guide
7. Install:
• Timing chain tensioner gasket "1"
• Timing chain tensioner "2"
Timing chain tensioner bolt
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
LOCTITE®
TIP
• Be sure to install the timing chain tensioner
gasket so that its projection "a" is protruding
from the upper left side of the timing chain ten-
sioner.
• The arrow mark "b" on the timing chain ten-
sioner should face up.
a
b
1
8. Rotate the crankshaft counterclockwise a few
times to release the timing chain tensioner
rod.
TIP
If the timing chain tensioner rod does not re-
lease, rotate the crankshaft clockwise.
CAMSHAFTS
New
2