Cylinder Head Assembly; Cylinder Head Installation - KYMCO MX 125 Service Manual

7
. CYLINDER HEAD/VALVES

CYLINDER HEAD ASSEMBLY

Install the valve spring seats and valve stem
seals.
Be sure to install new valve stem seals.
Lubricate each valve stem 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.
• When assembling, a valve spring
comp ressor must be used.
• 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.
CYLINDER HEAD
INSTALLATION
Install the dowel pins and a new cylinder
head gasket.
Install the cam chain guide.
E040
MX'er SYSTEM
Valve Spring Compressor
Dowel Pins
Gasket
Cam Chain Guide
7-10