
PROX Forged Piston (ref. 01.1341.A) – Designed for motocross use, this forged aluminum piston is aimed at riders seeking a robust replacement part that meets manufacturer specifications. Compatible with Honda CRF 250 R (ME10) models from 2011 to 2013, it retains the original geometry while being offered in oversize A for the specified bore.
An essential wear part, this piston is suitable for bores specified in oversize A. Its machining and tolerances meet the technical specifications provided by the manufacturer PROX. Ideal for engine refurbishment after disassembly or boring, it directly replaces the listed models when the dimensions require it.
Before installation, check the condition of the cylinder, connecting rod, and bore tolerances, as well as the specified size A to ensure perfect compatibility. Replacement segments are available under reference 260168.