Yamaha GRIZZLY 700 FI YFM7FGPW, Service Manual

Page: 98 / 485

3 - 17
CHK
ADJ
ADJUSTING THE VALVE CLEARANCE
4. Disconnect:
• spark plug cap
1
5. Remove:
• spark plug
2
1
2
6. Remove:
• timing mark accessing screw
1
• crankshaft end accessing screw
2
1
2
7. Measure:
• valve clearance
Out of specification
→
Adjust.
▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼
a. Turn the crankshaft counterclockwise.
b. When the piston is at the top dead center
(TDC) on the compression stroke, align the
“I” mark
a
on the AC magneto rotor with
the stationary pointer
b
on the AC magneto
cover.
NOTE:
To position the piston at top dead center (TDC)
on the compression stroke, align the “I” mark
c
on the camshaft sprocket with the stationary
pointer
d
on the cylinder head, as shown in
the illustration.
Valve clearance (cold)
Intake valve
0.09 ~ 0.13 mm
(0.0035 ~ 0.0051 in)
Exhaust valve
0.16 ~ 0.20 mm
(0.0063 ~ 0.0079 in)
a
b
d
c