Cylinder Head; Valve Spring; Valve Stem, Valve Guide - Honda 1998 VT750C Service Manual

CYLINDER HEAD/VALVES
Remove carbon deposits from the combustion cham-
ber and clean off the head gasket surface.
CAUTION:
Avoid damaging the gasket and valve seat surface.
Check the spark plug hole and valve areas for cracks.
I
INSPECTION
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CYLINDER HEAD
Check the cylinder head for warpage with a straight
edge and feeler gauge.
SERVICE LIMIT: 0.10 mm (0.004 in)
VALVE SPRING
Check the valve spring for fatigue or damage.
Measure the free length of valve springs.
SERVICE LIMITS:
IN: 40.58 mm (1.598 in)
EX: 41.25 mm (1.624 in)
VALVE STEM, VALVE GUIDE
Inspect each valve for bending, burning, scratches or
abnormal wear.
Insert the valves in their original positions in the cylin-
der head. Check that each valve moves up and down
smoothly, without binding.
Measure the each valve stem 0.0. and record it.
SERVICE LIMITS:
IN: 5.45 mm (0.215 in)
EX: 6.55 mm (0.258 in)
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