Cylinder Head Removal - Honda 2000 XR50R Service Manual

CYLINDER HEAD/VALVES
Loosen the \/al\le adjusting screw fully to make 8
valve clearance maximum (page 3·8).
Temporarily install the cam sprocket bolts into the
camshaft and remove the camshaft from the cylin-
der head while holding the rocker arms.
INSPECTION
Turn the outer race of the each camshaft bearing
with your finger.
The outer race should turn smooth ly and quietly.
Also check that the bearing inner race fits tightly on
the camshaft.
Replace the camshaft assembly
jf
the outer race
does not turn smoothly and quietly. or
if
it fits
loosely on the camshaft.
Using a
mjc~ometer.
measure each cam lobe
height.
SERVICE LIMITS:
IN : 19.66 m m (0.774 in)
EX: 19.65
mm
(0.77 4
in)
CYLINDER HEAD
REMOVAL
7-4
Remove the following:
- Muffler (page 2-4)
-Camshaft (page 7·3)
Remove the intake manifold bolts.
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