Camshaft Inspection; Rocker Arm//Shaft; Side Spring - Honda 2003 NPS50 Ruckus Service Manual

INSPECTION
CAMSHAFT
Check the camshaft bearing for wear or damage.
Turn the bearing outer race with your finger. The
bearings should turn smoothly and quietly. Also
check that the bearing inner race fits tightly on the
camshaft.
Replace the camshaft assembly if the race does not
turn smoothly and quietly, or if it fits loosely on the
camshaft.
Check the cam lobe for excessive wear and damage.
Measure the height of each cam lobe.
SERVICE LIMITS:
IN: 29.2065 mm (1.14986 in)
EX: 29.2607 mm (1.15199 in)
ROCKER ARM/SHAFT
Check the rocker arm s hafts and rocker arms for
wear or damage.
Check the oil holes for clogging.
Measure the I. D. of each rocker arm.
SERVICE LIMIT: IN/EX:10.10 mm (0.400 in)
Measure the O.D. of each rocker arm shaft.
SERVICE LIMIT: IN/EX:9.91 mm (0.390 in)

SIDE SPRING

Measure the free length of the side springs.
SERVICE LIMIT: IN/EX:14.5 mm (0.57 in)
CYLINDER HEAD/VALVES
9-9