7. CYLINDER/PISTON
CYLINDER/PISTON INSTALLATION
Remove any gasket material from the
crankcase surface.
Install the piston, piston pin and a new piston
pin clip.
Install the dowel pins and a new cylinder
gasket on the crankcase.
Coat the cylinder bore, piston and piston rings
with clean engine oil.
Carefully lower the cylinder over the piston
by compressing the piston rings.
Be careful not to drop foreign matters
into the crankcase.
Position the piston “IN” mark on the
intake valve side.
Place a clean shop towel in the
crankcase to keep the piston pin clip
from falling into the crankcase.
Be careful not to damage or break the
piston rings.
The piston ring end gaps should not be
parallel with or at 90 to the piston pin.
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