Yamaha 2004 YXR660 Service Manual page 150

CAMSHAFT AND CYLINDER HEAD
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c. With the screwdriver still inserted into the
timing chain tensioner, install the timing
chain tensioner and gasket onto the cylin-
der block. Then, tighten the timing chain
tensioner bolts to the specified torque.
WARNING
Always use a new gasket.
NOTE:
The "UP" mark on the timing chain tensioner
should face up.
Timing chain tensioner bolt
10 Nm (1.0 m · kg, 7.2 ft · lb)
d. Remove the screwdriver, make sure that the
timing chain tensioner rod releases, and
tighten the cap bolt to the specified torque.
Timing chain tensioner cap bolt
7 Nm (0.7 m · kg, 5.7 ft · lb)
L LLL L LLL L L LLL L L LLL L
5. Check:
• small holes on camshaft sprocket
• rotor "I" mark
Out of alignment → Adjust.
ENG
L LLL L L LLL L LLL