Yamaha VMX12 2001 Service Manual page 147

CAMSHAFTS
g. Turn the exhaust camshaft so that the mark
(o: small hole) on the camshaft is aligned
with the mark on the camshaft cap.
h. To remove the timing chain slack, force the
exhaust camshaft clockwise.
i. Insert your finger into the timing chain ten-
sioner hole and push the timing chain guide
(intake side) in.
j. When pushing the timing chain guide
(intake side), make sure the camshaft cap
marks and camshaft timing marks stay
aligned.
k. If the camshaft cap marks and camshaft
timing marks are not aligned, change the
meshing position of the camshaft sprockets
and timing chain.
3. Install:
• timing chain tensioner
a. Remove the cap bolt 1, washer 2 and
spring 3.
b. Release the timing chain tensioner one-way
cam 4.
c. Install the timing chain tensioner and gasket
5 onto the cylinder block.
WARNING
@
Always use a new gasket.
@
Timing chain tensioner bolt
12 Nm (1.2 m • kg)
d. Install the spring 3, washer 2, and cap
bolt 1.
Cap bolt
20 Nm (2.0 m • kg)
4. Turn:
• crankshaft
(several turns counterclockwise)
4 - 17
ENG