Top Performances Black Trophy 50cc 40mm Cylinder Kit – Piaggio AC – Cast Iron

The Top Performances Black Trophy 50cc cylinder kit is a durable and reliable sport cylinder for Piaggio 2-stroke air-cooled (AC) engines. With a 40mm bore and original stroke, it remains within the 50cc class while delivering noticeably improved performance over stock.

Manufactured from high-quality cast iron, the cylinder features 5 transfer ports and an oval exhaust port for optimized gas flow. Torque is improved and top speed is slightly increased.

With the right setup (e.g. 17.5mm carburetor and sport exhaust), outputs of 6 to 8 hp are achievable. Ideal for daily use thanks to its durability and reliability.

Supplied including:

• 50cc cast iron cylinder
• One-piece high-compression aluminium cylinder head
• 2-ring piston complete (12mm pin)
• Gasket set

Spare parts:

Piston:

DR / TP Piaggio 40mm Piston