Camshaft Inspection; Camshaft Bearing Inspection; Camshaft Oil Clearance Inspection - Honda Motorcycle Service Manual

CYLINDER HEAD
CAMSHAFT
CAMSHAFT INSPECTION
Inspect the cam lobes and replace cams that are worn, scored
or scratched.
NOTE
.
Inspect the rocker arm i f the cam lobe is worn or
damaged.
Inspect the journal surfaces. Replace the camshaft if any of
the working surfaces are worn, scored or scratched.
NOTE
.
Inspect the oil passages and camshaft holders for wear
or damaae if the iournal surface is worn or damaged.
1
Measure the journal O.D. and cam height. Replace any cam-
shaft if its measurements are bevond the service limits.
Check camshaft runout w i t h a dial indicator.
Support both ends of the camshaft with V-blocks
Actual runout is 1/2 the total indicator reading
CAMSHAFT BEARING INSPECTION
Check that the bearing inner race fits the camshaft tightly
without play.
Turn the outer race and check that the bearing turns smoothly
and quietly
HAFT 0 I L CLE
The oil clearance .is the difference between the camshaft
holder I.D. and the journal O.D.
Measure the camshaft holder journal I.D. w i t h a dial indicator.
Subtract the camshaft journal O.D. from the camshaft holder
journal I.D. t o obtain the oil clearance.
When the service limits are exceeded, replace the camshaft
and recheck the oil clearance.
Replace the cylinder head and camshaft holders if the
clearance still exceeds service limits.
&
HEIGHT
I
C A ~ ? LOBES
!
CAMSHAFT HOLDER
Date o f Issue : March,
1995
O
HONDA MOTOR CO.,LTD.
9-9