Replacement piston for 50cc original cylinder and 50cc 2-stroke Naraku cylinder kits for Kymco, SYM and Honda engines. Supplied complete as shown with piston rings, piston pin and piston clip. Especially for the sensitive break-in phase, the Naraku piston is provided with a molybdenum coating. This protects the cylinder and piston during the break-in period. The thicker piston ring must be installed at the bottom. Both piston rings are marked with a "T" (Top) mark, this must point upwards.

Already from 10000 km it is worthwhile with a 50cc 2-stroke engine to change the piston, you are rewarded with lower fuel consumption and more engine power.

• 12mm piston pin
• Total height: 53.5mm
• Compression: 30.5mm
• Camber of piston crown: 2.3mm
• Nominal diameter: 38.98mm