Sym RV 250i - Page 128

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
y 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