YAMAHA YZ 250 F [2022-2026] - 4-stroke forged piston kit - ø77.00mm

WISECO forged piston kit for the YAMAHA YZ 250 F

The 4-stroke forged piston kit from WISECO is designed for the YAMAHA YZ 250 F built between 2022 and 2026. The forged aluminum piston has standard piston compression and a compression ratio of 13.8:1. With its diameter of 76.96 mm and the marking B and oversize +0.01, it is suitable for the correspondingly specified motor selection.

Technical characteristics

• Piston type: forged
• Material: aluminum
• Diameter Ø: 76.96 mm
• Letter oversize: B
• Oversize: +0.01
• Compression ratio: 13.8:1
• Piston compression: standard
• Rings Quantity: Set
• Stroke: 4T

Vehicle assignment

The kit fits the YAMAHA YZ 250 F in the full year range 2022-2026. The vehicle assignment supports the selection for the specified model series and the specified period.

WISECO Performance Products

WISECO develops and manufactures forged high-performance pistons for motorsport. The company was founded over 80 years ago out of a passion for racing. The pistons are designed, forged and machined at the manufacturing facility in Mentor, Ohio, USA.