Big bore kit that increases 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 2020-2023
- Yamaha YZ250F 2019-2023
- Brand: Athena
- Type: Big bore kit
- Engine brand: Yamaha
- Model: WR250F, YZ250F
- Year: 2019-2023
- Part number: 420-0485-100097
Are you unsure about the correct size or application? Please contact us, and we will check before you order.