Experience maximum performance with the Top Performances Maxi Kit Racing 77ccm cylinder kit and crankshaft, specifically for Minarelli horizontal engines. With a displacement of 77ccm, a cylinder diameter of 50mm, and a stroke of 39.2mm, this kit made from high-quality aluminum offers optimal heat dissipation and improved acceleration thanks to the lightweight piston. The robust crankshaft is designed for high RPMs. Compatible with Yamaha Aerox, MBK Nitro, Aprilia SR50, Malaguti F12 Phantom, and Rieju RS2. Ideal for riders seeking more power and driving fun.
