Honda CBR650RA Shop Manual page 275

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ASSEMBLY
VALVE LIFTER
SHIM
VALVE SPRING
VALVE STEM SEAL
VALVE SPRING SEAT
VALVE GUIDE
INTAKE VALVE
Clean the cylinder head assembly with solvent and
blow through all oil passages with compressed air.
Apply engine oil to the fitting area of new valve stem
seals [1].
Install the valve spring seats [2] and valve stem seals.
Apply molybdenum oil solution to each valve stem end
and sliding surface.
Insert the valves [3] into the valve guides while turning
them slowly to avoid damage to the valve stem seals.
Install the valve spring [4] with the tightly wound coils
facing the combustion chamber.
Install the valve spring retainers [5].
Install the valve cotters [1] using the special tool.
Grease the cotters
to ease installation.
TOOLS:
To prevent loss of
[2] Tappet hole protector
tension, do not
[3] Valve spring compressor
compress the valve
spring more than [4] Valve spring compressor
necessary. attachment
VALVE COTTERS
VALVE SPRING RETAINER
07HMG-MR70002
07757-0010000
07959-KM30101
CYLINDER HEAD/VALVES
AIR BLEEDING JOINT
12 N·m (1.2 kgf·m, 9 lbf·ft)
EXHAUST VALVE
[3]
[2]
[1]
[3]
[4]
SEALING WASHER
Combustion
chamber side
[5]
[4]
[1]
[2]
10-17