KYMCO MXU 450i Service Manual page 39

6. Using an awl, rotate the C-ring in its g roove unti l
it is out of the cylinder head; then remove the
C-ring.
•NOTE: Care should be taken not to drop the
C-ring down into the crankcase.
7. Noting the timing marks for installing purposes,
drop the sprocket off the camshaft. While holding
the cam chain, slide the sprocket and camshaft out
of the cylinder head. Account for an alignment
pin.
•NOTE: Loop the chain over the cylinder and
secure it with a wire to keep it from falling into the
crankcase.
8. Remove the cam chain tensioner by lifting it from
the chain cavity; then remove the two lower nuts
securing the cylinder head to the cylinder, one in
front and one in rear.
9. Remove the four cylinder head cap screws and
washers. Note that the two cap screws on the right
side of the cylinder head nearest the cam sprocket
are longer than the two cap screws on the left
(spark plug) side.
1
10. Remove the cylinder head from the cylinder,
remove the gasket, and account for two alig nment
pins.
~ AT
THIS POINT
To service valves and cylinder head, see Servicing
Top-Side Components sub-section.
I I . Remove the cam chain guide.
~ AT THIS POINT
To Inspect cam chain guide, see Servicing Top-Side
Components sub-section.
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