Yamaha YZ 450 FX [2025] - WÖSSNER forged pistons - 4086

WÖSSNER forged pistons for Yamaha YZ 450 FX, built in 2025

The WÖSSNER forged piston is assigned to the Yamaha YZ 450 FX built in 2025. As a component made of aluminum and in a forged design, it is suitable for use in the 4-stroke engine of this vehicle classification.

Execution and function

The piston skirt has an anti-friction treatment. The high-compression piston compression is designed with a compression ratio of 13.0:1. The piston is therefore aimed at applications in which the specified compression data should be taken into account.

Technical data

• Material: aluminum
• Piston Type: Forged
• Piston compression: high compression
• Diameter Ø: 96.98 mm
• Letter oversize: C
• Oversize: +0.02
• Compression ratio: 13.0:1
• Piston rings: 3
• Stroke: 4T

Scope of delivery

The piston includes 3 piston rings, a circlip and a bolt. The components are therefore tailored to the assembly of the piston described.

Vehicle assignment

Yamaha YZ 450 FX, built in 2025.

WÖSSNER forged pistons are manufactured in Germany by specialists in engine parts for 2- and 4-stroke engines. When making the selection, particular attention should be paid to the specified diameter of 96.98 mm, the oversize letter C, the dimension +0.02 and the compression ratio of 13.0:1.