Athena YZ250F/FX 300CC Kit 2019-2024

SKU: P400210100067
$999.95
$900.00
$900.00
On Sale
Unavailable
per item

Athena 300cc kit, 85mm Piston for 2019-2024 YZ250F and YZ250FX Models.


Big Bore Kit Includes:

  • High quality 85mm forged piston
  • Wrist Pin and clips
  • Specially designed, cast and plate cylinder to fit maximum size bore and maintain strength.
  • Top End Gasket Kit


Pair it with our GET ECU for proper tuning and get maximum gains

No case machining needed, direct bolt on.

Increase torque and power dramatically.


Athena P/N P400485100073