Cylinder Head Assembly - KYMCO Downtown 200i Service Manual

6. CYLINDER HEAD/VALVES
VALVE STEM INSPECTION
Inspect each valve for bending, burning, or
abnormal stem wear.
Remove carbon deposits from the combustion
chamber.
Clean off any gasket remnants from the cylinder
head contact surface.
Be careful not to damage the cylinder head
mating surface.

CYLINDER HEAD ASSEMBLY

Install the valve spring seats and stem seals.
Lubricate each valve stem with engine oil and
insert the valves into the valve guides.
Be sure to install new valve stem seals.
Install the valve spring.
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.
E040
Intake valve
Valves
Valve spring compressor
DOWNTOWN 200i
Exhaust valve
6-8