YAMAHA WR 250 F [2020-2027] - WÖSSNER Pro Series forged pistons

WÖSSNER Pro Series forged pistons for the YAMAHA WR 250 F

The WÖSSNER Pro Series forged piston is designed for the YAMAHA WR 250 F from the 2020-2027 model year range. The aluminum version is forged and has an anti-friction coated shaft. This gives the piston a clearly defined technical design for the appropriate engine structure.

Technical features

• Piston type: forged
• Material: aluminum
• Piston compression: highly compressed
• Diameter Ø: 76.97 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 77.01mm
• Compression ratio: 14.2:1
• Rings Quantity: 2
• Specificity: Double forged bridge / 3D crown / with gas connection

Execution and delivery

Wössner forged pistons are manufactured in Germany by specialists in 2- and 4-stroke engine parts. The piston is delivered with ring(s), circlip(s) and axle. The anti-friction coated shaft and the forged design are among the product features described.

Vehicle assignment

Suitable for the YAMAHA WR 250 F, built between 2020 and 2027. Selection should be based on the specified diameter of 76.97mm, oversize B, oversize +0.01 and bore diameter of 77.01mm.