Cylinder Head Disassembly - Honda SH300 2006 Manual

CYLINDER HEAD/VALVES

CYLINDER HEAD DISASSEMBLY

Remove the following:
– cylinder head (page 9-11)
– camshaft/rocker arm (page 9-7)
Remove the valve spring cotters using the spring
To prevent loss of
compressor.
tension, do not
compress the valve
TOOLS:
springs more than
Valve spring compressor
necessary.
Valve spring compressor attach-
ment
Remove the following:
Mark all the parts
so they can be
– spring retainer
placed back in their
– valve spring
original locations.
– valve
– stem seal
– spring seat
INSPECTION
CYLINDER HEAD
Remove the carbon deposits from the combustion
Be careful not to
chamber.
damage the valve
seat and gasket
Check the spark plug hole and valve areas for
surfaces.
cracks.
Check the cylinder head for warpage with a straight
edge and feeler gauge across the stud holes.
SERVICE LIMIT: 0.05 mm (0.002 in)
9-12
SPRING COMPRESSOR
07757-0010000
07959-KM30101
VALVE
COMBUSTION CHAMBER
COTTERS
SPRING SEAT
SPRING
STEM SEAL RETAINER