Piston Installation; Cylinder Installation - KYMCO Bet & Win 125 User 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
Bet & Win 125/150
Piston Pin Clip
Dowel Pin
Gasket
Cylinder
Piston
Piston Pin