Wiseco 4-Stroke Forged Series - ø97.00mm Piston kitRef : WI00163A / 1122573003

WISECO 4T Forged Series Piston Kit - ø97.00mm (Manufacturer part number: W40111M09700C): forged piston for motocross, made by WISECO. Designed, forged, and machined in the United States at the Mentor (Ohio) facility, this kit showcases the expertise of a historic high-performance piston manufacturer.

• Brand: WISECO
• Diameter: Nominal Ø 97.00 mm (machined diameter 96.960 mm) - oversize letter C
• Compression: Standard
• Material: Forged aluminum
• Number of rings: Kit (piston + rings)

This 4T Forged Series piston kit is intended for riders seeking a robust, precision-machined racing component. The forged aluminum piston offers a dense and homogeneous structure, suitable for the demands of motocross: high RPMs, thermal stresses, and repeated mechanical loads. Its finish and machining reduce play and facilitate break-in for optimal reliability in intensive use.

Main compatibilities: YAMAHA YZ 450 F (CJ21) 2016‑2017 and YZ 450 F (CJ18) 2015. Please check the part number before installation to ensure compatibility with your engine.

A technical choice to replace or prepare a motocross engine with a forged component that meets WISECO standards.