7. CYLINDER/PISTON
Remove any gasket material from the
crankcase surface.
Install the piston, piston pin and a new piston
pin clip.
CYLINDER INSTALLATION
Install the 12mm washer (wave washer) into
the groove.
Install the cam follower and cam follower
shaft.
Apply engine oil to the cam follower shaft
O-ring and install it with even force.
dowel pins and a new cylinder gasket on the
crankcase.
Carefully lower the cylinder over the piston
by compressing the piston rings.
Stagger the ring end gaps as shown. (Refer to
7-6.)
Install the cylinder gasket, dowel pins and
O-ring
.
towel in the crankcase to
prevent foreign matters from falling into
the crankcase.
Install the cam follower shaft with the
slot on the shaft in vertical position.
Position the piston top “IN” mark on
the intake valve side.
• Place a clean shop towel in the
crankcase to prevent the piston pin clip
from falling into the crankcase.
When installing the cylinder, be car
that the ring end gap should not be 90°
to the piston pin.
• The ring end gaps should align with the
four cylinder head lock nuts.