MAINTENANCE MANUAL OF ENGINE
30
3.7 Dismantling the intake and exhaust valves
Tool: Valve spring compression tool
Using the valve spring compression tool and the
corresponding attachment, compress the valve
spring to remove the valve split cone.
Dismantle the valve split cone (A). Take out the
upper valve spring retainer (B), outer valve spring
(C), inner valve spring (D), valve stem oil seal seat
(E), valve guide (F), intake valve seat (G), exhaust
valve seat (S), intake valve (H) and exhaust valve
(T) one by one.
A-Valve split cone
B-Upper valve spring retainer
C-Outer valve spring
D-Inner valve spring
E-Valve stem oil seal seat
F-Valve guide
G-Intake valve seat
H-Intake valve
S-Exhaust valve seat
T-Exhaust valve
Attention: Apply a proper mark to the valve head,
which will be used as a reference in valve installa-
tion.
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