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    VHM Cylinder Head Insert for TM RACING MX 85 1999-2012
    VHM Cylinder Head Insert for TM RACING MX 85 1999-2012
    VHM Cylinder Head Insert for TM RACING MX 85 1999-2012
    VHM Cylinder Head Insert for TM RACING MX 85 1999-2012

    VHM Cylinder Head Insert for TM RACING MX 85 1999-2012

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    €65.90
    Tax Included
    On order, lead time confirmed within 24 hours.

    The machined insert that forms the combustion chamber in a two-piece head: it sets the engine’s compression.

    Available in several combustion-chamber volumes.

    Version :
    Quantity :
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    On order, lead time confirmed within 24 hours.

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      VHM offers this cylinder head insert for TM RACING MX 85 1999-2012. On a two-piece head, the insert (the "dome") forms the combustion chamber. Its volume and shape set the compression and the character of the engine.

      Why change the insert?

      The benefits:

      • Match the compression to your riding and your fuel without replacing the whole head.
      • A part machined from solid, to precise dimensions.
      • Replace an insert marked or damaged by detonation.

      When should you change the insert?

      Signs of detonation, leaking O-rings or the wish to change the compression: the insert can be swapped in minutes, with new O-rings.

      Specifications and fitting tips

      • Manufacturer part numbers: AE32089-C (Version C (7.40 cc)), AE32089-E (Version E (7.60 cc)), AE32089-F (Version F (7.80 cc))

      Available in several combustion-chamber volumes: a smaller volume raises compression (more punch, quality fuel essential), a larger one lowers it (smoother engine).

      Cross-Mania tip: Fit new O-rings, tighten in a cross pattern to the specified torque and, with a higher-compression insert, use high-octane fuel.

      Spare parts and items to plan

      Compatibility

      Check the exact model and year of your bike in the list below before ordering.

      Fits:
      TM RACING MX 85 2012
      TM RACING MX 85 2011
      TM RACING MX 85 2010
      TM RACING MX 85 2009
      TM RACING MX 85 2008
      TM RACING MX 85 2007
      TM RACING MX 85 2006
      TM RACING MX 85 2005
      TM RACING MX 85 2004
      TM RACING MX 85 2003
      TM RACING MX 85 2002
      TM RACING MX 85 2001
      TM RACING MX 85 2000
      TM RACING MX 85 1999

      VHM
      AE32089-C

      Specific References

      Click on your bike to see all compatible parts.

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      VHM Cylinder Head Insert for TM RACING MX 85 1999-2012
      VHM Cylinder Head Insert for TM RACING MX 85 1999-2012
      VHM Cylinder Head Insert for TM RACING MX 85 1999-2012
      VHM Cylinder Head Insert for TM RACING MX 85 1999-2012
      €65.90
      Tax Included