6. Cylinder Head / Valve
6-14
After the valve seat grinded, coat valve seat
surface with emery and then slightly press the
grinded surface.
Clean up all emery coated onto cylinder and valve
after grinded.
Cylinder Head Reassembly
Lubricate valve stem with engine oil, and then
insert the valve into valve guide.
Install new valve stem oil seal.
Install valve springs and retainers.
Caution
z The closed coils of valve spring should face
down to combustion chamber.
Install the valves with the valve remover/installer.
Special Service Tool:
Valve remover / installer SYM-1471110/20.
Caution
z Place a rag under the bottom of the
combustion chamber as disassembling to
prevent from valve stem deformation.
Tap valve stem with a plastic hammer to make
valve retainer and valve stem sealing properly.
Caution
z Place and hold cylinder head on to working
table so that can prevent from valve
damaged.
Valve stem
oil seal
Valve
spring
Valve spring
retainer
Valve split lock
Valve
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