KYMCO Bet & Win 250 User Manual

7. CYLINDER/PISTON
7-7
Bet & Win 2 50
PISTON INSTALLATION
Remove any gasket material from the
crankcase surface.
Install the piston, piston pin and a new
piston pin clip.
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.
Gasket
Cylinder
Dowel Pin
• Be careful not to drop foreign matters
into the crankcase.
＊
• 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.
＊
• 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.
＊
Piston
Piston Pin Clip
Piston Pin
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KYMCO Bet & Win 250 Specifications

General

Displacement	249.4 cc
Cooling System	Liquid-cooled
Fuel System	Carburetor
Transmission	CVT
Front Suspension	Telescopic fork
Front Brake	Disc
Rear Brake	Disc
Fuel Capacity	12 liters
Ignition	CDI
Width	770 mm
Height	1, 370 mm
Seat Height	780 mm
Engine Type	4-stroke, single-cylinder