12. Engine Removal, Inspection and Installation
z 1st and 2nd rings have letter “R” marked on the side.
Be sure to bring the marked side to the top when
fitting them to the piston.
z Position the gaps of the three rings as illustrated on
the right. Before installing the piston into the cylinder,
check that the gaps are so located.
z Apply a light coat of moly oil to the piston pin;
z Install piston pin into holes of piston and conrod
small end.
Note: When installing the piston, the “IN” mark on piston
top is located to the intake side.
z Place a clean rag beneath piston and install piston
pin circlip ①
Note: while rotating crankshaft, pull the cam chain
upward, or the chain will be caught between sprocket
and crankcase.
z Install the dowel pins and the new cylinder gasket;
Note: Use a new cylinder gasket to prevent oil leakage
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