YZ144 (2005-2021)
YZ144 (2005-2021)
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NOTE: Disabled & no cylinder head available for this model

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.