Cylinder Kit Top Performances Trophy 70cc 12mm CPI AC

70cc Kit CPI Oliver Top Performance Trophy

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

Popular for its excellent durability, the Top Performances Black Trophy cylinder provides considerable torque and decent peak power to improve acceleration and achieve a higher top speed. This kit can develop approximately between 8 and 9 hp, provided it is combined with the right components.

Features and performance of the Top Perf 70 kit CPI / Keeway: 

• Cast iron cylinder with 47 mm bore
• 6 transfer ports and a simple “oval” exhaust port 
• Dual-ring piston (1.5mm chrome-plated upper ring and 1mm lower ring) with 12 mm wrist pin and circlips
• High-compression aluminum cylinder head 
• Installation gasket set: cylinder base gasket and cylinder head gasket.

Recommended setup:

To fully take advantage of the potential of this engine setup, fitting at least a 17.5mm carburetor, a sport exhaust, and adjusting the variator transmission is recommended.