Polini Cylinder-piston kitRef : POL00340A / 1016814

The POLINI cylinder kit Ø39.8 mm (manufacturer reference 109.0018) is designed to refurbish the top-end of 50 cc mopeds with the quality and expertise of the Italian brand. Machined from aluminum, it adheres to the assembly and durability standards expected for a replacement installation on an urban thermal unit. Ideal for riders looking to renew their engine without compromising on the quality of the parts.

• Bore diameter: 39.8 mm
• Material: Machined aluminum
• Usage: Refurbishment of the top-end / urban environment
• Reference: POLINI 109.0018

This kit allows for the replacement of the cylinder and restores a clean bore for installation with the appropriate piston and rings. Its design follows Polini's experience in competition and mass production, resulting in tolerances and finishes suited to the everyday demands of city riding. For effective restoration, follow the break-in recommendations and adjust the carburation according to the installed piston/cylinder assembly.

• Common compatibilities: DERBI SENDA X-TREME 50 SM (2022)
• GILERA SMT 50 (2020)
• APRILIA SX 50 (2018)