
Manufacturer reference: 01.2215.A — PROX cast piston, designed for Cross cylinders. Replacement part intended for engine restoration of YZ125 and similar machines.
This cast aluminum piston features a geometry designed for endurance and reliability in off-road conditions: domed head and two lubrication holes on the exhaust skirt to enhance segment lubrication and limit local overheating. It is supplied in oversize letter A, with a stated diameter of Ø 53.940 mm (reference Ø 53.93 mm). Compression: standard.
Compatible parts for restoration: rings 260240, piston pin 032033, clips CP1612C, needle bearing 400416, top-end gasket kit 604146. Before installation, check bore and piston/ring clearances according to manufacturer recommendations.
Top compatibilities: YAMAHA YZ 125 (1994, 1995, 1996) — ideal for cross enthusiasts seeking a reliable replacement part suitable for the original engine group.