Honda SH300 2006 Manual page 225

CYLINDER HEAD/VALVES
Remove the rocker arm shafts, rocker arms and
ROCKER ARM
springs.
SHAFT
SPRING
INSPECTION
CAM SPROCKET
Check the cam sprocket for wear or damage.
CAMSHAFT
Check the camshaft bearing for wear or damage.
Turn the bearing outer race with your finger.
BEARING
The bearing should turn smoothly and quietly.
Also check that the bearing inner race fits tightly on
the camshaft.
Check the cam lobes for scoring, scratches or evi-
dence of insufficient lubrication.
Measure each cam lobe height using a micrometer.
SERVICE LIMITS: IN: 39.295 mm (1.5470 in)
EX: 37.034 mm (1.4580 in)
9-9