KYMCO LA30AA, Service Manual

Page: 88 / 213

7
. CYLINDER HEAD/VALVES
7-10
MX’er SYSTEM
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.
Valve Spring Compressor E040
Tap the valve stems gently with a plastic
hammer for 2 3 times to firmly seat the cotters.
CYLINDER HEAD
INSTALLATION
Install the dowel pins and a new cylinder head
gasket.
Install the cam chain guide.
Install two cylinder head bolts do not tighten
completely.
Install the cylinder head.
Torque : Stud Bolts :0.8 1.2kgf-m
Gasket
Cam Chain Guide
Valve Spring Compressor
Dowel Pins
Be sure to install new valve stem seals.
*
•
When assembling, a valve spring
compressor must be used.
•
Install the cotters with the pointed ends
facing down from the upper side of the
cylinder head.
*
Special
Be careful not to damage the valves.
*