Honda 954 Service Manual page 258

Remove the valve lifters and shims.
Be carefui not t o damage the valve lifter bore.
Shims may stick t o the inside
not allow the shims to fall into the crankcase.
Mark all valve lifters and shims t o ensure correct
reassembly in their original locations.
The valve lifter can be easily removed w i t h a valve
lapping tool or magnet.
The shims can be easily removed w i t h tweezers or
a magnet.
INSPECTION
CAMSHAFT HOLDER
Inspect the bearing surface o f each camshaft holder
for scoring, scratches, or evidence of insufficient
brication.
CAMSHAFT RUNOUT
Support both ends of the cam$haft w i t h V-blocks and
check the camshaft runout with a dial gauge.
SERVICE LIMIT: 0.04 rnm (0.002 in)
CAM LOBE HEIGHT
Using a micrometer, measure each cam lobe height.
SERVICE LIMITS:
IN: 36.72 mm (1.446 in)
EX: 36.43 mm (1.434 in)
of
the valve lifters. Do
CAMSHAFT
HOLDER A
MEASURE POINT
HOLD
CAMSHAFT HOLDER C
B
HOLD