Yamaha YFM45FXV Supplementary Service Manual page 54

CYLINDER HEAD
NOTE:
Be sure the "I" mark 5 on the camshaft
sprocket is aligned with the match mark 2 on
the cylinder head.
f. Force the camshaft clockwise and counter-
clockwise to remove timing chain slack.
g. Insert a screwdriver into the timing chain
tensioner hole and push the timing chain
guide inward.
h. While pushing the timing chain guide, be
sure that the camshaft sprocket "I" mark 5
is aligned with the cylinder head match
mark 2.
i. If the marks are aligned, tighten the cam-
shaft sprocket bolt. If the marks are not
aligned, change the meshing position of the
camshaft sprocket and timing chain.
L LLL L LLL L L LLL
3. Install:
• timing chain tensioner
M MMM M MMM M M MMM
a. Remove the tensioner cap bolt 1, washer
2 and spring 3.
b. Release the timing chain tensioner one-way
cam 4 and push the tensioner rod 5 all the
way in.
c. Install the tensioner 6 with a new gasket
into the cylinder.
Bolts (timing chain tensioner)
11 Nm (1.1 m · kg, 8.0 ft · lb)
WARNING
Always use a new gasket.
d. Install the spring, washer and cap bolt.
Cap bolt (timing chain tensioner)
23 Nm (2.3 m · kg, 17 ft · lb)
L LLL L LLL L L LLL
– 47 –
ENG
L L LLL L L LLL L
M M MMM M M MMM M
L L LLL L L LLL L
L LLL L LLL
M MMM M MMM
L LLL L LLL