For the 50cc (39mm) 4-stroke GY6 Scooter. Increase about 30% of the power
and 50% of the torque. Each kit include: Cylinder, gaskets piston and rings.
Cylinder diameter (mm) | 47 |
block height (mm) | 53.2 |
barrel height (mm) | 70 |
Piston height | 34 |
Piston compression Height | 17 |
Piston pin diameter (mm): | 13 |
Piston pin lenght (mm): | 37 |