Piston Yamaha YZ 125 (since 2022), Fantic XX (2022 - 2023) Ø53.97 mm (dimension C) ProX

Piston Pro X Ø53.97 mm Yamaha YZ125, Fantic XX

New engine segment piston kit adaptable for motorcycles cross 125cc Yamaha YZ since 2022, YZ X from 2023 to 2025 and Fantic XX from 2022 to 2023.

Le cast piston, made of cast aluminum alloy, is efficient and suitable for series engines or applications without extreme performance requirements.
However, it does not match the performance and durability of a forged piston under pressure, which is stronger, with more precise dimensions and designed for high performance.

Includes

• 1 x piston
• 1 x segment
• 2 x circlips
• 1 x gudgeon pin

Piston technical characteristics and dimensions

• Mark: ProX
• Manufacturer Part Number: 01.2232.C
• Piston material: aluminum
• Type of manufacture: cast

• Piston diameter: 53.97 mm
• Total Piston Height: 58.5 mm
• Height between the top of the axle and the top of the piston: 21 mm
• Piston pin outer diameter: 15 mm

This piston is equivalent to the original OEM reference:
B4X-11631-00

To order the high engine gaskets necessary for reassembling the piston cylinder, click on this link.

ProX is a Dutch brand specializing in the production of engine parts for quads and motorcycles. cross and enduro. To find out everything about the brand and discover our range of products Prox, click on this link.