Top Performances DIAMETER 40MM Segments

Top Performances - 40 mm Piston Ring Set (manufacturer reference: 9910380) — a ring set designed for 2T engines and suitable for urban scooters. This ring set is aimed at riders looking for a reliable wear part to maintain the sealing and compression of the cylinder on Piaggio, Peugeot, and Minarelli engines.

• Designation: Top Performance ring set, diameter 40 mm
• Engine compatibility: Piaggio (air and liquid), Peugeot (air), Minarelli horizontal and vertical (air and liquid)
• Category: Urban — specially designed for 50 cc 2T
• Usage: replacement of worn rings, routine maintenance, and restoration of proper cylinder sealing

The rings are the essential interface between the piston and the cylinder: their role is to limit compression losses and prevent combustion gas leaks. This 40 mm set fits the corresponding pistons and is suitable for frequent applications in urban environments (daily commutes, city traffic). Easy to install during a motor revision, it allows the piston/cylinder assembly to regain sealing conditions in accordance with the specified tolerances.

Examples of compatible models:

• Peugeot Vivacity 3 50 2T E2 (2019)
• Yamaha Aerox R (SA421) (2018)
• MBK Ovetto 2T One (2018)