
PROX Forged Piston - Ref. 01.1339.A
PROX piston designed for cross displacements, forged from aluminum alloy and supplied with a ring kit. Designed for replacement during engine work on CRF 250 R, it features the oversize dimension A for a proper fit during a re-bore to Ø 77.97 mm.
This piston is a replacement part particularly suitable for Honda CRF 250 R (ME10) models from 2007 to 2009 (250 cm3). It allows for the reconstruction of a bore in dimension A after re-boring; be sure to follow machining recommendations and manufacturer tolerances during installation. To ensure longevity and reliability, check the piston/cylinder clearance and perform the break-in according to the engine's recommendations.