Piston Installation; Cylinder Installation - KYMCO Grand Dink 250 Service Manual

7
. CYLINDER/PISTON

PISTON INSTALLATION

Remove any gasket material from the
crankcase surface.
＊
• Be careful not to drop foreign matters
into the crankcase.
Install the piston, piston pin and a new
piston pin clip.
＊
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.

CYLINDER INSTALLATION

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 damage or break
•
the piston rings.
The piston ring end gaps should
•
not be parallel with or at 90° to the
piston pin.
7-7
GRAND DINK 250
Piston Pin Clip
Dowel Pin
Cylinder
Piston
Piston Pin
Gasket