ENGINE
65
Valve
Before disassembling the inner parts of the cylinder
head (for example valve, valve spring, valve seat),
check the valve seal before hand.
1. Check
Valve sealer
Leakage at valve seat
Check the working face of the
valve
Valve seat and valve seat width
Refer to
Valve seat check and maintenance
Note
2. Disassemble
Valve lock
When disassemble the valve lock, use the valve spring
compression tool to compress the compression valve
spring.
Note
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3. Disassemble
Valve spring upper seat
Valve spring
Valve
Valve seal
Valve spring lower seat
Mark positions of every parts to install it on the original
position once more.
Note
Check steps
Pour the clean solvent in the intake valve and the
exhaust valve.
Check the valve seal.
No leakage around the valve seat
Valve spring compression tool
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