Yamaha YZ 450 FX [2023-2025] - 4-stroke forged piston kit - ø96.95mm

WISECO 4-stroke forged piston kit with Ø 96.95 mm

The WISECO forged piston kit is designed for the 4-stroke engine of the Yamaha YZ 450 FX. The forged aluminum piston combines the specified dimensions with a standard piston compression and a compression ratio of 13.0:1. This makes the kit suitable as a precisely assigned spare part for the specified vehicle application.

Function and execution

The piston is designed as a forged version and has a diameter of 96.95 mm. The oversize marking is B. WISECO develops and manufactures forged pistons for various motorsport and vehicle applications; This kit is specifically tailored to the Yamaha mentioned below.

Technical data

• Brand: WISECO
• Piston Type: Forged
• Material: aluminum
• Diameter Ø: 96.95 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 97mm
• Piston compression: standard
• Compression ratio: 13.0:1
• Engine version: 4T

Vehicle assignment

Suitable for Yamaha YZ 450 FX, built between 2023 and 2025.

Factual note

The specified piston diameter of 96.95 mm, the oversize marking B and the bore diameter of 97 mm are particularly important for the selection. Please compare these technical values ​​with the intended motor application before ordering.