Rocker Arm And Camshaft Removal; Rocker Arm And Camshaft Inspection - Yamaha XVS650 Service Manual

ROCKER ARMS AND CAMSHAFT
ENG
®
ROCKER ARM AND CAMSHAFT REMOVAL
1.Remove:
• Rocker arm shafts (intake and exhaust)
CD
• Rocker arms
®
NOTE: _
Use a slide hammer @ to remove the rocker
arm shafts.
. Slide hammer bolt (M8):
VU-1083-2,90890·01085
.---..... Weight:
VU-1083·3,90890·01084
2.Remove:
• Camshaft bushing
CD
• Camshaft
®
NOTE: _
Screw a 10 mm bolt
®
into the threaded
end of the camshaft and pullout the cam-
shaft.
ROCKER ARM AND CAMSHAFT INSPECTION
1.1nspect:
• Camshaft bushings
Damage/wear
---1
Replace.
2.1nspect:
• Camshaft lobes
CD
• Valve adjusters
®
Blue discoloration/pitting/scratches
---1
Replace.
3.Measure:
• Camshaft lobe length
®
and width
<6>
Out of specification
---1
Replace.
Camshaft lobe limit:
Intake
®
39.63 mm (1.56 in)
<6>
32.12 mm (1.265 in)
Exhaust
®
39.67 mm (1.562 in)
<6>
32.20 mm (1.268 in)
4 - 18