Honda LEAD 110 2009 Service Manual page 221

CYLINDER HEAD/VALVES
Remove the stopper plate and camshaft.
INSPECTION
ROCKER ARM/SHAFT
Check the rocker arm shafts and rocker arms for
wear or damage.
Turn the rocker arm roller with finger.
The roller should turn smoothly and quietly.
Measure the I.D. of each rocker arm.
SERVICE LIMIT: IN/EX: 10.10 mm (0.398 in)
Measure the O.D. of each rocker arm shaft.
SERVICE LIMIT: IN/EX: 9.91 mm (0.390 in)
Calculate the rocker arm-to-shaft clearance.
SERVICE LIMIT: IN/EX: 0.08 mm (0.003 in)
CAMSHAFT
Turn the outer race of each camshaft bearing with
your finger. The bearing should turn smoothly and
quietly. Also check that the bearing inner race fits
tightly in the camshaft.
Replace the camshaft assembly if the bearing does
not turn smoothly, quietly, or if they fit loosely on
the camshaft.
Check the cam lobe for excessive wear and damage.
Measure the height of each cam lobe.
SERVICE LIMIT:
IN: 32.52 mm (1.280 in)
EX: 32.24 mm (1.269 in)
9-10
CAMSHAFT
ROLLERS
BEARING
CAM LOBES
STOPPER PLATE