Yamaha XVS650 Service Manual page 122

4
5
CYLINDER HEADS
ENG
3.1nstall:
• Timing chain tensioner
**********************************
Installation steps:
• Remove the tensioner cap bolt
CD,
washer
®
and spring @.
• Release the timing chain tensioner one-
way cam @ and push the tensioner rod
®
all the way in.
• Install the tensioner
®
with a new gasket
into the cylinder.
Bolts (timing chain tensioner):
12 Nm (1.2 m • kg, 8.7 ft • Ib)
A
WARNING
Always use a new gasket.
• Install the spring, washer and cap bolt.
~J'J
Cap bolt (timing chain tensioner):
e-'~
20 Nm (2.0 m • kg, 14.4 ft ·Ib)
**********************************
4.lnstall:
• Camshaft sprocket plate
CD
• Bolt (camshaft sprocket)
®
~~55-N--m-(5-.5"""m-.
-kg-,-39-.--S.... ft-· -Ib-)
l
NOTE: _
• Be sure the projection on the camshaft
sprocket plate is aligned with the hole in
the sprocket.
• Use the sheave holder @ to hold the
rotor.
Sheave holder:
YS..01880,90890-01701
5.Check:
• Alignment marks
If the marks do not align
-7
Adjust.
6.Measure:
• Valve clearance
Out of specification
-7
Adjust.
Refer to "VALVE CLEARANCE ADJUST-
MENT" in CHAPTER 3.