Yamaha YZ 250/250X 99-23 / YZ250 1999-2023 YZ250X 2016-2022 / Fantic XX250 2021-2022 VHM Cylinder Head + Insert Kit AA33080 Insert Capacity:20.60cc (YZ250) This case saver does not

This case saver does not use a chain roller like in years past

keep in mind that this compromises bottom power reaction

For YZ125 use VHM standard insert - AE32046-K / AE32046-L

or C pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption

Yamaha YZ 250/250X 99-23 / YZ250 1999-2023 YZ250X 2016-2022 / Fantic XX250 2021-2022 VHM Cylinder Head + Insert Kit AA33080 Insert Capacity:20.60cc (YZ250) This case saver does notMade in the Netherlands The world famous golden VHM head with exchangeable combustion chamber is specially developed for optimal power output during the whole race and has an improved water duct. It's manufactured from a high quality alloy and O rings are used for the sealing. Features: More engine power Better heat transference More resistance to detonation Exchangeable combustion chambers available Insert included in this kit Fitment: Make Model