





WISECO 4T Forged Series piston kit designed for engine preparation and restoration of off-road machines. Forged from aluminum, this piston aims for durability against thermal and mechanical stresses encountered in motocross use. It is aimed at riders and teams looking for a robust part, stemming from expertise recognized for decades.
This kit includes the piston and the necessary segments for replacement. Its forged construction limits deformation under heavy loads and is suitable for engines subjected to high RPMs. Installation and wear check of the cylinder sleeve are essential to ensure proper operation. Particularly suitable for the Honda CRF 250 R / RX models (2018–2019) listed below.