Big bore kit that increases the engine displacement. Typically includes cylinder, piston, and necessary gaskets.
Athena is an Italian manufacturer of cylinder kits, big bore kits, gasket sets, and oil seals for various models.
Fits these engines
- Yamaha WR250F 2001-2012
- Yamaha YZ250F 2001-2007
- Brand: Athena
- Type: Big bore kit
- Engine brand: Yamaha
- Model: WR250F, YZ250F
- Year: 2001-2012
- Article number: 420-0485-100012
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