6. CYLINDER HEAD/VALVE
6-6
Cylinder Head Disassembly
Remove the hole cap of intake & exhaust valve
clearance adjustment. There are 6 bolts. Then,
remove the cap.
Remove the rocker arm pin stopper plate, and
then screw a 5mm bolt into the rocker arm pin.
Finally, remove the pin and the rocker arm.
Screw a 6 mm bolt into cam sprocket mounting
bolt hole, and then pull the camshaft out.
Use a valve compressor to press the valve spring.
Caution
y In order to avoid loosing spring elasticity, do not
press the spring too much. Thus, press length
is based on the valve cotter in which can be
removed.
Special Service Tool:
Valve spring remover (SYM-1471110)
Valve spring installer (SYM-1471120)
Remove valve stem guide seal.
Clean carbon deposits in combustion chamber.
Clean residues and foreign materials on cylinder
head matching surface.
Caution
Do not damage the matching surface of cylinder
head.
Stopper plate bolt
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