9. CYLINDER/PISTON
9-7
Piston Installation
Install piston and piston pin, and place the IN
marks on the piston top side forward to intake
valve.
Install new piston pin snap ring.
Caution
y Do not let the opening of piston pin snap ring
align with the opening piston ring.
y Place a piece of cloth between piston and
crankcase in order to prevent snap ring from
falling into crankcase as operation.
Cylinder Installation
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.
Install dowel pins and new gasket.
Coat engine oil to inside of cylinder, piston and
piston rings.
Care to be taken when installing piston into
cylinder. Press piston rings in one by one as
installation.
Caution
Do not push piston into cylinder forcefully
because piston and piston rings will be
damaged.。
Install cylinder head (refer to Chapter 6).
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