Rocker Arm And Camshaft Removal; Rocker Arm And Camshaft Inspection - Yamaha XVS6501997 Service Manual

ROCKER ARMS AND CAMSHAFT

ROCKER ARM AND CAMSHAFT REMOVAL

NOTE:
Use a slide hammer 3 to remove the rocker
arm shafts.
NOTE:
Screw a 10 mm bolt 3 into the threaded end of
the camshaft and pull out the camshaft.
ROCKER ARM AND CAMSHAFT
INSPECTION
4-18
1. Remove:
S Rocker arm shafts (intake and exhaust) 1
S Rocker arms 2
Slide hammer bolt (M8):
90890-01085
Weight:
90890-01084
2. Remove:
S Camshaft bushing 1
S Camshaft 2
1. Inspect:
S Camshaft bushings
Damage/wear ! Replace.
2. Inspect:
S Camshaft lobes 1
S Valve adjusters 2
Blue discoloration/pitting/scratches !
Replace.
3. Measure:
S Camshaft lobe length a and width b
Out of specification ! Replace.
Camshaft lobe limit:
Intake
a 39.63 mm
b 32.12 mm
Exhaust
a 39.67 mm
b 32.20 mm
ENG