Description
Made in Italy, Athena YZ125 big bore 144cc cylinder kit.
Will fit the
| 2020-2022 | Yamaha | YZ 125 X | – | – |
| 2005-2021 | Yamaha | YZ 125 |
- Aluminum cylinder with nickel carbide coating and aluminum cylinder head with removeable bronze dome
- Specially designed, high performance, hard anodized power valves (cannot use OEM)
- Kit also includes Athena top end gasket set with required seals and hardware
- Piston kit includes cast lite flat top piston, rings, clips and pin
ATTENTION! To assemble the cylinder kit P400485100030 Ø 58 you need to make the boring of the engine crankcase.
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