Cylinder Head Disassembly; Cylinder Head Inspection - Honda 1988 Z50R Service Manual

CYLINDER HEAD /VALVES
Remove the cylinder head gasket. O-rings, collar and dowel pins.
CYLINDER HEAD DISASSEMBLY
Remove the valve cotters using the valve spring compressor.
Remove the spring retainers, springs, stem seals, spring seat and
valves.
CAUTION
To prevent (OSS oj tension, do not compress {he I'oh'e springs more
than necessary 10 remove {he collers.
TOOLS,
Valve spring compressor
Attachment
0 7757·00 10000
079 S9-KM301 0 1
Remove the carbon deposits from the combustion chamber and
exhaust port 01 the cylinder head .
Clean afi any gasket material from the cylinder head surface.
CYLINDER HEAD INSPECTI ON
Check the spark plug hole and valve area for cracks .
Check the cylinder head for warpage with a straight edge and
feeler gauge.
SERVICE LIM IT; 0.0 5
m m
(0 .0 02
in)
6 - 8
'"
.::--.
,
,vi