VHM Cylinder head Yamaha YZ250 1988 - 1998 - AA33187

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.

Use VHM standard insert AE32300-E

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