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.

Thanks. Thanks