YAMAHA YZ 250 FX [2019-2024] - Forged pistons

PROX forged pistons for YAMAHA YZ 250 FX 2019-2024

The PROX forged piston is designed as a forged piston solution with standard compression for the YAMAHA YZ 250 FX from the full 2019-2024 model year range. The aluminum alloy supports reduced friction and reliable function in the engine. The design in OEM-equivalent quality is suitable for repairing the upper engine area.

Function and execution

The forged construction combines with a flat crown, raised top and 4 valve pockets. This means that the piston shape is specifically tailored to the specified engine version. Standard compression makes selection easier when a piston with close to production compression is required.

Technical data

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

Vehicle assignment

Suitable for the YAMAHA YZ 250 FX, built between 2019 and 2024. The assignment refers to this model and this specified year of manufacture.

Selection note

When ordering, the diameter of 76.95 mm, the letter A, the STD version and the standard compression must be taken into account. This means that the forged piston can be specifically selected based on the proven technical characteristics.