Malossi 70cc Big Bore Cylinder Kit for Genuine / Minarelli 2T

Malossi 70cc Big Bore Cylinder Kit for Minarelli 2T Engines

The Malossi 70cc Cast Iron Cylinder Kit is designed for horizontal air-cooled 2-stroke Minarelli engines. It fits models such as the Genuine Buddy 50 and Yamaha Zuma 50. This upgrade from 50cc to 70cc significantly improves acceleration, torque for climbing, and overall power. It is one of the Minarelli 50cc / Yamaha jog scooter parts that can improve performance for off-road applications.

Components Included

This comprehensive kit includes everything required for a top-end swap. The package features a cast iron cylinder, an aluminum head, a piston with two rings, a wrist pin, two circlips, gaskets, and reed petals. Each part is engineered to work together for reliable performance.

Installation Notes

Ensure your engine is equipped with a 10mm wrist pin, as this kit includes a piston designed for that size. If your engine uses a different size, a compatible piston must be sourced separately. Following installation, it is advisable to up-jet your carburetor by 10-15% to maintain proper fuel mixture.

Specifications

• Material: Cast iron cylinder, aluminum head
• Displacement: 70cc
• Bore: 47mm
• Wrist Pin: 10mm
• Cooling: Air-cooled only
• Includes: Cylinder, head, piston (2 rings), wrist pin, 2 circlips, base gasket, head O-ring, exhaust gasket, 2 reed petals
• Country of Origin: Italy

Fitment

This cylinder kit is compatible with various models within the Minarelli 2-stroke engine family. It fits the following vehicles:

• Genuine: Buddy 50, RoughHouse 50, Rattler 50, Black Cat 50
• Yamaha: Zuma 50 (2002-2011 "Bugeye"), Vino 50 2T, Jog 50 (horizontal)
• Aprilia / Malaguti: Scarabeo 50 2T, F-10, Yesterday

Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.

Shop more: Minarelli 50cc / Yamaha Jog Parts · Scooter Big Bore & Cylinder Kits · Scooter Parts