3-58
ENGINE
PISTON AND CYLINDER
• Apply molybdenum oil solution onto the piston pin and small
end
of the conrad.
NOTE:
Install the piston with the punch mark G) on the piston
head
fac-
ing toward the exhaust side.
• Place a clean rag over the cylinder base to prevent the piston
pin
circlip from dropping into the crankcase, and then fit the
piston pin circlip with long-nose
pliers.
I
CAUTION
I
Use 8 new piston pin cl
rcllp
to
prevent
circlip
failure
with
8
bent
one.
• Apply engine oil to the sliding
su
rlace of the piston and big
end of the conrad.
• Install the dowel pins
t2I
and new gasket @ onto the crank-
case.
I
CAUTION
I
I
Use
a
new
gasket
to
prevent
oil
leakage
.
• Hold each piston ring with the piston ring sections positioned
correctly and put
it into the cylinder. Make sure that the piston
rings are caught by the
cylinder skirt.
NOTE:
* When mounting the cylinder, after attaching the camshaft drive
chain. keep the camshaft drive chain taut. The camshaft drive
chain must not
be caught between the cam drive chain
sprocket and crankcase when the crankshaft
is rotated.