Yamaha GRIZZLY 700 FI YFM7FGPW, Service Manual

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ENG
ROCKER ARMS AND CAMSHAFT
EBS00237
REMOVING THE ROCKER ARMS AND
CAMSHAFT
1. Loosen:
• locknuts
• valve adjusting screws
2. Remove:
• intake rocker arm shaft
• exhaust rocker arm shaft
• intake rocker arm
• exhaust rocker arm
NOTE:
_
Remove the rocker arm shafts with the slide
hammer bolt
1
and weight
2
.
EBS00223
CHECKING THE CAMSHAFT
1. Check:
• cam lobes
Pitting/scratches/blue discoloration
→
Replace.
2. Measure:
• cam lobe dimensions
a
and
b
Out of specification
→
Replace.
Slide hammer bolt
90890-01083
Slide hammer bolt 6 mm
YU-01083-1
Weight
90890-01084, YU-01083-3
Camshaft lobe dimensions
Intake
a
43.488 ~ 43.588 mm
(1.7121 ~ 1.7161 in)
<Limit>:
43.388 mm (1.7082 in)
b
36.959 ~ 37.059 mm
(1.4551 ~ 1.4590 in)
<Limit>:
36.859 mm (1.4511 in)
Exhaust
a
43.129 ~ 43.229 mm
(1.6980 ~ 1.7019 in)
<Limit>:
43.029 mm (1.6941 in)
b
37.007 ~ 37.107 mm
(1.4570 ~ 1.4609 in)
<Limit>:
36.907 mm (1.4530 in)
1
2