KYMCO VITALITY 50 Manual page 104

6. 4-STROKE: CYLINDER HEAD/VALVES
Check the insulator and O-rings for wear or
damage.
ASSEMBLY
Install the valve spring seats and oil seal.
Be sure to install new oil seal.
Lubricate each valve with engine oil and
insert the valves into the valve guides.
Install the valve springs and retainers.
Compress the valve springs using the valve
spring compressor, then install the valve
cotters.
x When assembling, a valve spring
compressor must be used.
x Install the cotters with the pointed ends
facing down from the upper side of the
cylinder head.
Special
Valve Spring Compressor
Tap the valve stems gently with a plastic
hammer for 2 3 times to firmly seat the
cotters.
Be careful not to damage the valves.
6-13
E040
VITALITY 50
O-ring