The MotoForce Racing 70 cc gray cast iron cylinder kit is suitable for scooter models such as Yamaha Neo's / MBK Ovetto, Yamaha Jog R / MBK Mach G, Aprilia SR 50, Malaguti F12 Phantom and many more. If you want to replace your original cylinder with a more powerful and equally reliable model without breaking the bank, this MotoForce kit is an excellent choice. The MotoForce Racing 70cc cylinder is made from cast iron and features 5 transfer ports, a simple exhaust port and is equipped with a 2 rings with a diameter of 47 mm and a high compression cylinder head. In terms of power, the MotoForce Racing cylinder can give you 2 to 3 more horsepower than the original, but more importantly, it develops a much higher torque . This improved torque results in less high-rpm demand, which preserves overall engine life and reliability. And, of course, you'll be able to make killer starts, promise!