Malossi Sport 50cc 40mm Cylinder Kit – Minarelli Horizontal AC – Cast Iron

The Malossi Sport 50cc cylinder is a durable and reliable upgrade for Minarelli horizontal air-cooled (AC) 2-stroke engines. Ideal for daily use with improved performance over the original cylinder.

With a 40 mm bore, this cylinder maintains the original 50cc displacement while offering improved gas flow and smoother power delivery thanks to its optimized port layout.

Manufactured from cast iron, it provides excellent wear resistance and long service life. Features an oval exhaust port and 6 transfer ports for efficient performance.

Technical specifications:

• Brand: Malossi
• Type: Sport
• Displacement: 50cc
• Bore: 40 mm
• Cooling: Air cooled (AC)
• Material: Cast iron
• Wrist pin: 10 mm
• Transfer ports: 6
• Exhaust port: Oval
• Engine: 2-stroke
• Tuning level: Sport
• Manufacturer number: 31 8562

Supplied including:

• 40mm cast iron cylinder
• Cylinder head
• Piston
• Piston rings
• 10mm wrist pin
• Piston clips
• Gasket set

Fitment:

Minarelli horizontal 50cc 2-stroke air-cooled engines.

Also known as Malossi Sport 50cc Minarelli horizontal cylinder, 40mm Malossi AC cylinder or Malossi 50cc cast iron sport cylinder.