MX125/EN125 (2016-2021)
MX125/EN125 (2016-2021)
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VHM CYLINDER HEADS

World-famous VHM cylinder heads with exchangeable combustion chambers. Specifically developed for optimal power output during the whole race. The head features a special designed water duct for optimal water flow.

  • More engine power
  • Better heat transference
  • Exchangeable combustion chambers

VHM produces exchangeable cylinder heads for two-stroke engines in motocross and road racing. With the experience gained in two-stroke tuning, VHM develops products of high quality.

The combustion chamber is very easy to change, just loosen the cylinder head, take it off and you can change the combustion chamber insert. This makes it very easy to adjust the combustion ratio to different tracks and fuels that are used. Combustion chambers are available in different volumes.

During intensive tests, on the racetrack as on the VHM testbench, the cylinder head showed a better temperature development in the cylinder head. A lower engine temperature followed. The explanation of this phenomenon is the use of a special aluminum alloy which has a very good heat transference. Another advantage of the material is its resistance to detonation. It's also possible to design your own combustion chamber, just take a blind combustion chamber and you can make any type that you want.

Or you can give us the technical information needed and we produce the insert for you. 

VHM HEAD INSERTS

The combustion chamber can be quickly adjusted, depending on the track and weather conditions. There are various types of inserts available for each cylinder head; VHM standard, optional, blind and custom inserts. These inserts do not fit the standard (OEM/stock) heads, only our VHM heads. 

  • Quick to adjust
  • Many choices
  • Custom specifications possible

The combustion chamber is very easy to change, just loosen the cylinder head, take it off and you can change the combustion chamber insert. This makes it very easy to adjust the combustion ratio to different tracks and fuels that are used. Combustion chambers are available in different volumes.