Service manual

4-15
ENG
CYLINDER HEAD
1
2
5. Install:
9
timing chain tensioner
✭✭✭✭✭✭✭✭✭✭✭✭✭✭✭✭✭✭✭✭✭✭✭✭
a. While lightly pressing the timing chain ten-
sioner rod by hand, turn the tensioner rod
fully clockwise with a thin screwdriver
1
.
NOTE:
Make sure that the tensioner rod has been fully
set clockwise.
b. Install the gasket and the timing chain ten-
sioner
2
onto the cylinder.
w
Always use a new gasket.
NOTE:
Apply the YAMAHAbond 1215 onto the bolts.
c. Turn the timing chain tensioner rod counter-
clockwise with a thin screwdriver
1
, make
sure it releases, and then tighten the cap
bolt to specification.
✬✬✬✬✬✬✬✬✬✬✬✬✬✬✬✬✬✬✬✬✬✬✬✬
6. Tighten:
9
camshaft sprocket bolt
cC
Be sure to tighten the camshaft sprocket
bolt to the specified torque to avoid the pos-
sibility of the bolt coming loose and damag-
ing the engine.
7. Turn:
9
crankshaft
(several turns clockwise)
Timing chain tensioner bolt
10 Nm (1.0 m·kg, 7.2 ft•lb)
30 Nm (3.0 m•kg, 22 ft•lb)
Yamaha bond No. 1215
90890-85505
http://mototh.com