7. Cylinder / Piston
7-8
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
z Do not let the opening of piston pin snap ring
align with the opening piston ring.
z Place a piece of cloth between piston skirt
section 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
z To soap the residues into solvent so that the
residues can be removed more easily.
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
z Do not push piston into cylinder forcefully
because this will cause the piston and the
piston rings to be damaged.
Install the cam chain plate, the cylinder gasket and
lock pins.
Install cylinder head (refer to Chapter 6)
Install the cam chain auto-tensioner. (2 bolts)
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