Yamaha Grizzly550 User Manual page 206

TIP
Install the gasket with its beaded side facing the
timing chain tensioner end.
d. Install the spring, copper washer and timing
chain tensioner cap bolt.
Timing chain tensioner cap bolt
20 Nm (2.0 m·kg, 14 ft·lb)
New
6
5
L LLL L LLL L L LLL L L LLL L
5. Turn:
• Crankshaft
(several turns counterclockwise)
6. Check:
• "I" mark "a"
Align the "I" mark on the AC magneto rotor
with the stationary pointer "b" on the AC mag-
neto cover.
• "I" mark "c"
Align the "I" mark on the camshaft sprocket
with the stationary pointer "d" on the cylinder
head.
Out of alignment → Correct.
Refer to the installation steps above.
3
New
2
1
4
L LLL L L LLL L LLL
5-15
CYLINDER HEAD
d
c
7. Tighten:
• Camshaft sprocket bolts "1"
• Decompressor assembly bolts "2"
Camshaft sprocket bolt
20 Nm (2.0 m·kg, 14 ft·lb)
Decompressor assembly bolt
20 Nm (2.0 m·kg, 14 ft·lb)
ECA13750
NOTICE
Be sure to tighten the camshaft sprocket
bolts to the specified torque to avoid the
possibility of the bolts coming loose and
damaging the engine.
TIP
• While holding the AC magneto rotor nut with a
wrench, tighten the camshaft sprocket bolts
and decompressor assembly bolts.
• After tightening the decompressor assembly
bolts, check that decompressor assembly
moves smoothly.
a
b
1
2