
PROX Cast Piston — Manufacturer reference: 01.3122.A. Designed for motocross displacements, this cast aluminum piston features a domed head and a Mos2 treated skirt. Its design caters to riders looking for a replacement part that adheres to original specifications to restore the bore and sealing of the top-end.
This piston is suitable for motocross engines where the condition of the cylinder necessitates a replacement in oversize A. The Mos2 treatment of the skirt aims to improve break-in performance and limit surface wear during the first kilometers after installation. The geometry of the domed head allows for the retention of the combustion characteristics of the engine for which it was designed.
Main compatibilities (examples): SUZUKI RM 85 STD WHEELS 17/14 (2023), SUZUKI RM 85 BIG WHEELS 19/16 (2023), SUZUKI RM 85 STD WHEELS 17/14 (2022).
Replacement part from the PROX range, ideal for engine restoration respecting oversize A specifications. Always check compatibility with your model and the condition of the cylinder before installation.