Manufacturer reference: 34 8538 — MALOSSI Piston Ø40 mm for 2T engines, delivered with pins and rings. Made of aluminum, this piston with a diameter of 40.000 mm is designed for tuning and replacements on cylinders intended for this bore.

• Diameter: Ø 40 mm
• Material: Aluminum
• Number of rings: 2
• Letter oversize: 0 (standard clearance)
• Approval: Track use only
• Delivered with: pins (clip) and rings

This MALOSSI piston is intended for 2-stroke engines equipped with a 40 mm bore. Its aluminum design ensures good thermal dissipation and a finish suitable for mounting with corresponding cylinders. The provided reference allows for easy identification of the size (class 0) and ensures a clean replacement of the piston and rings during an engine overhaul.

Installation tips: respect the piston-cylinder clearance indicated by the cylinder manufacturer, install the rings according to the recommended orientation, and perform a gradual break-in after installation. Do not use this product on public roads: approval "track use only".

Compatibility (examples): APRILIA SR 50 R (2022 - 50 cm3), YAMAHA ZUMA (2019 - 50 cm3), MBK OVETTO 2T ONE (2018 - 50 cm3).