Clean up all residues and foreign materials on
the matching surface of crankcase.
Pay attention to not let these residues and
foreign materials fall into crankcase.
Caution
Soap the residues into solvent so that the
residues can be removed more easily.
Piston Installation
Install piston and piston pin, and place the
marks on the piston topside forward to exhaust
valve.
Install new piston pin clip.
Caution
● Do not let the opening of piston pin clip
align with the piston cutout.
● Place a piece of cloth between piston and
crankcase in order to prevent snap ring
from falling into crankcase as operation.
Cylinder Installation
Install dowel pins and new gasket.
7. CYLINDER/PISTON
7-7