Sym JOYMAX 250 - Page 76

6. Cylinder Head / Valve
6-7
Remove valve cotters, spring retainers, springs
and valves.
Remove valve stem seals.
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.
To this chapter contents
Valve stem seals
Spring retainer
Cotter
Exhaust valve
Inner spring
Outer spring
Inlet valve