Products reserved exclusively for competitions in designated areas in accordance with the provisions of the relevant sports authorities. We assume no responsibility in case of inappropriate use.

POLINI cylinder kit made of cast iron, manufacturer reference 140.0133. Designed for track use only, this kit features a bore of Ø43 mm and a piston pin of 12 mm. The cast iron composition provides mechanical durability and good wear resistance of the sleeve, characteristics appreciated during intensive high-frequency use.

Ideal for demanding mechanics and DIY enthusiasts, this cylinder kit is designed to replace compatible models listed below. Before installation, check the condition of the piston, rings, and bottom end, and adjust the carburation and ignition according to the final configuration.

• Diameter (Ø): 43 mm
• Material: cast iron
• Piston pin: Ø 12 mm
• Certification: Track use only
• Manufacturer reference: 140.0133

Main compatibilities:

• PIAGGIO BRAVO (2001) - 50 cm3
• PIAGGIO SI (1986) - 50 cm3
• PIAGGIO BRAVO (2000) - 50 cm3

Workshop advice: installation and adjustments recommended by a professional to ensure safety and reliability on the track.