KYMCO GRAND DINK 250 User Manual

7. CYLINDER/PISTON
7-4
GRAND DINK 250
Inspect the piston, piston pin and piston rings.
Remove the piston rings.
Clean carbon deposits from the piston ring
grooves.
Install the piston rings onto the piston and
measure the piston ring-to-groove clearance.
Service Limits:
Top: 0.09mm replace if over
2nd: 0.09mm replace if over
Remove the piston rings and insert each
piston ring into the cylinder bottom.
Measure the piston ring end gap.
Service Limit: 0.5mm replace if over
Measure the piston pin hole I.D.
Service Limit: 17.04mm replace if over
• Take care not to damage or break the
piston rings during removal.
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• Use the piston head to push each piston
ring into the cylinder.
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KYMCO GRAND DINK 250 Specifications

General

Displacement	249.1 cc
Cooling System	Liquid-cooled
Fuel System	Electronic Fuel Injection
Transmission	CVT
Front Suspension	Telescopic fork
Rear Suspension	Dual shock absorbers
Front Brake	Disc
Rear Brake	Disc
Front Tire	120/70-12
Rear Tire	130/70-12
Seat Height	780 mm
Engine Type	4-stroke, Single-cylinder