YAMAHA WR 250 F [2020-2024] - forged pistons

PROX forged pistons for the Yamaha WR 250 F

The PROX forged piston is designed for the Yamaha WR 250 F built between 2020 and 2024. Its aluminum construction and forged design combine the specified technical features with OEM-equivalent quality. The aluminum alloy used is designed to reduce friction and maximize reliability.

Technical features

• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø: 76.95 mm
• Letter oversize: A
• Oversize: STD
• Rings Quantity: Set
• Stroke: 4T
• Specificity: Flat crown with raised top and 4 valve pockets

Vehicle assignment

Suitable for the Yamaha WR 250 F, built between 2020 and 2024. The assignment refers to this model and this complete year range.

Selection guide

When making the selection, the diameter of 76.95 mm, the oversize letter A and the Oversize STD marking should be taken into account in particular. The standard compression and the design for a 4-stroke engine complement the key technical data. The flat crown with raised top and 4 valve pockets characterizes the specific piston shape.