E-TON 6. CYLINDER HEAD/VALVE
6-7
Remove the 2 cylinder head mounting bolts
from cylinder head left side cover.
Remove cylinder head gasket and 2 dowel
pins.
Remove chain plate.
Clean up residues from the matching
surfaces of cylinder and cylinder head.
Caution
CYLINDER HEAD DISASSEMBLY
Use a valve compressor to press the valve
spring.
After removed valve cotters, release the
compressor and then take out spring retainer,
valve spring and valves.
Caution
Special Service Tool: Valve spring compressor.
Remove valve stem guide seal.
Clean carbon deposits in combustion chamber.
Clean residues and foreign materials on
cylinder head matching surface.
Caution
y
Do not damage the matching surfaces of
cylinder and cylinder head.
y
Avoid residues of gasket or foreign
materials falling into crankcase as
cleaning.
In order to avoid to loosing spring
tension, do not compress the spring too
much. Its length is based on the
installation of latch.
Do not damage the matching surface of
cylinder head.
dowel pins
Cylinder head gasket
Chain plate
valve cotters
Summary of Contents for sport 50
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