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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
7-6 Piston Installation
Install piston and piston pin, and place the IN
marks on the piston top side forward to inlet valve.
Install new piston pin clip.
Caution
Soap the residues into solvent so that
the residues can be removed more
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Do not let the opening of piston pin
clip align with the piston cutout.
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Place a piece of cloth between
piston and crankcase in order to
prevent snap ring from falling into