WISECO Forged Series piston kit, designed for preparations and replacements on motocross machines. Forged from high-quality aluminum, this piston meets the endurance and thermal tolerance requirements expected on off-road circuits. Wiseco, a global reference for nearly 50 years, equips many builds where piston reliability is paramount.
- Manufacturer reference: W40273M07800B
- Model: WISECO 4T Forged Series piston kit - Ø78.00 mm
- Piston diameter: Ø 77.960 mm (indicated size Ø 77.95)
- Oversize letter: B
- Piston compression: Standard
- Material: Forged aluminum
- Presentation: Kit (piston + rings)
Designed for motocross use, this kit is aimed at riders replacing a worn piston or optimizing the engine as part of a build. The machining and heat treatment specific to the Forged range ensure durability suited to the demands of off-road conditions. Before installation, check the bore and engine compatibility for oversize B.
Examples of compatibility: KAWASAKI KX 250 (KX252B - 2021 / KX252C - 2022). For any engine modifications, follow the manufacturer's recommendations and have the assembly checked by a professional if necessary.