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

WISECO 4-stroke forged piston kit Ø77.00mm for YAMAHA YZ 250 FX

The WISECO 4-stroke forged piston kit is designed for the YAMAHA YZ 250 FX in the 2019-2025 model year range. The forged aluminum piston is suitable as a precisely defined component for the upper engine range and combines the specified dimensional and compression data with a clear vehicle assignment.

Technical features

• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø (mm): 76.97
• Letter oversize: C
• Oversize: +0.02
• Compression ratio: 13.8:1
• Rings Quantity: Set
• Stroke: 4T

Vehicle assignment

The piston kit fits the YAMAHA YZ 250 FX built between 2019 and 2025. This assignment supports selection based on model and complete year of manufacture.

Selection based on engine data

The diameter of 76.97 mm, the oversize of +0.02 and the code letter C are particularly relevant for the technical classification. The compression ratio is 13.8:1; piston compression is specified as standard. The design as a forged aluminum piston and the marking “4T” assign the product to the intended 4-stroke use.

The product is available as a 4-stroke forged piston kit with a ring set. When making your selection, the dimensions mentioned and the vehicle assignment should be taken into account together.