Athena P4F0664267019B Top End Piston Kit with Gaskets - Standard Bore 66.35mm

Bore: 66.35mm
Compression: Standard Compression
Sizing: Standard Bore

For 2-Strokes.
.
Forged.
.
250cc..

Made of high-performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance. The smooth profile ensures a regular flow and the perfect flame propagation. The piston for 2-stroke Off-Road are produced by numerical control (CNC) machines. Made of special high performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston. Piston rings guarantee high seal to the cylinder walls with less friction and therefore a higher performance. The gasket kit is produced following the strict parameters set by the manufacturers. The gasket is made from raw materials and performs surface treatments to compensate for surface irregularities and follows material stress relieving process to improve sealing in the most critical areas.

Vehicle Fitment:

1999-2023 Yamaha YZ250
2022-2023 Yamaha YZ250 Monster Energy Yamaha Racing Edition