Honda CB900F Service Manual page 207

CYLINDER HEAD/VALVES
VALVE LIFTER BORE
Inspect each valv e lifter bore for scratches or
abnorma l w ear.
Measure each valve lifter bore 1.0.
SERVICE LIMIT: 26.04 mm 11 .025 in)
VALVE LIFTER
Inspect each valve lifter for scratches or abnormal
wea r.
Measure each valve lifter 0 .0.
SERVICE LIM IT: 25.97
mm 11.022 in)
VALVE SPRING
M easure the the va lve spring free length.
SERVICE LIMITS: 40.8 mm 11 .578 in)
Repla ce the springs
if
th ey are short er than the
service limits .
CAM CHAIN TENSIONER/CAM CHAIN
GUIDE
Inspect th e cam chain tensioner and cam chain guid e
fo r excessive w ear or dama ge, replac e if necessary.
8- 14
CAM CHAIN TENSI ONER
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CAM CHA IN GUIDE