Cylinder Kit Top Performances Trophy 70cc 12mm CPI AC

70 cc Top Performances Trophy Cylinder

Top Performance has developed a reliable and powerful 70 cc kit for Chinese scooters with air-cooled 2-stroke engines (Minarelli replica): the Top Performances Trophy, also known as the "Top Perf Black," one of the best in its category.

Known for its high durability, the Top Performances Black Trophy cylinder offers significant torque and good peak power to improve acceleration and achieve a higher top speed. This kit can develop around 8 to 9 hp when combined with the appropriate components.

Features of the 70 cc Top Perf CPI / Keeway cylinder kit:

• Cast iron cylinder with 47 mm diameter
• 6 transfer ports and simple, oval exhaust port
• 2-ring piston (top ring chromed 1.5 mm, bottom ring 1 mm) with 12 mm piston pin and clips
• High-compression aluminum cylinder head
• Gasket set for installation: cylinder base gasket and cylinder head gasket

Recommended configuration:

To reach the full potential of this cylinder, it is recommended to install a carburetor of at least 17.5 mm, a sport exhaust, and to tune the variator.