YAMAHA YZ 250 FX [2019-2025] - 4-stroke forged piston kit - ø77.00mm

WISECO 4-stroke forged piston kit for the YAMAHA YZ 250 FX

The WISECO 4-stroke forged piston kit is tailored to the YAMAHA YZ 250 FX from the 2019-2025 model year range. The forged aluminum piston is suitable for a 4T engine and provides a defined basis for repairing or rebuilding the upper engine area.

Technical features

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

The combination of aluminum and forged design describes the design of the piston. The standard piston compression and compression ratio of 13.8:1 allow for targeted selection based on the intended engine specification. The diameter Ø of 76.96 mm as well as the marking B and oversize +0.01 support dimension-related assignment when overhauling engines.

Vehicle assignment

Suitable for the YAMAHA YZ 250 FX, built between 2019 and 2025. The assignment refers to this model and this complete year range.

Selection note

Before ordering, the specified piston dimensions, the marking B, oversize +0.01 and the compression ratio should be compared with the intended engine version. This means that the kit can be selected based on the technical data to suit the planned use.