Top Performances TPR Racing 70cc Cylinder Minarelli Horizontal AC 10mm Pin

The Top Performances TPR Racing 70cc cylinder kit is one of the most popular high-performance upgrades for scooters equipped with a Minarelli Horizontal air-cooled engine. Its aluminium construction provides excellent heat dissipation, allowing for increased performance while maintaining reliability.

Featuring a 47.6 mm bore and standard stroke, this kit delivers approximately 70cc of displacement. The advanced port design includes 5 transfer ports and a butterfly-style exhaust port, improving gas flow and maximizing power output throughout the RPM range.

The kit is supplied complete with cylinder, cylinder head, piston and gasket set, providing everything required for installation.

Technical specifications:

• Brand: Top Performances
• Series: TPR Racing
• Part number: 9921630
• Displacement: 70cc
• Bore: 47.6 mm
• Wrist pin: 10 mm
• Cylinder material: Aluminium
• Cooling system: Air-cooled (AC)
• Engine type: Minarelli Horizontal 50cc 2-stroke
• Transfer ports: 5
• Exhaust port: Butterfly port

Package contents:

• Top Performances TPR Racing cylinder
• Cylinder head
• Piston with wrist pin
• Gasket set

Perfect for sport and racing-oriented scooter setups where performance, cooling efficiency and durability are essential.