VHM Cylinder head Yamaha YZ125 2022 - 2024 / Fantic XX125 2022 - 2024 - AA33203

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.

Use VHM standard insert with OEM CDI:

AE32327-F (for hard ground tracks)

AE32327-G (for deep sand tracks)

Using VHM cylinder head in combination with VHM CDI (CD020422), please use the second insert chart.

Use the insert chart as a general guideline to select the insert depending on the fuel, track and elevation.

• More engine power
• Better heat transference
• More resistance to detonation
• Exchangeable combustion chambers available