
PROX Cast Piston – Ref. 01.1218.A1
PROX cast piston designed for 125 cc engines in the Cross and Roadster universes. Machined from aluminum, diameter Ø 53.94 mm (oversize letter A) and standard compression. Its geometry features a dome shape with a reed cutout and a Mos2 treated skirt, compliant with the specifications provided by the manufacturer.
This part is designed for both off-road sessions and road riding, this piston fits into engine assemblies intended for oversize A. Delivered without rings or pin, please have the following replacement references for a complete reassembly:
Among the most common mounts: HONDA CR 125 R (JE01) 2003, GAS GAS SM 125 (2002), and GAS GAS MC 125 (2002). Check the bore and tolerances of your cylinder before installation to ensure perfect compatibility.