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MX Power Tuner

33D-859C0-10-00   -   Blue

This easy plug-in fuel-injection and ignition tuning tool allows you to quickly adjust the fuel and ignition maps of your Yamaha.

  • Monitors the data from various sensors on the unit
  • Adjustments can be made within two 3D program maps - the fuel injection volume map and the ignition timing map
  • Three adjustable points at different RPM levels are available (low-, mid- and high-speed)
  • Three adjustable points at different throttle opening are available (low-, half- and full-throttle)
  • Adjustments on the fuel injection map over 15 steps (-7 to +7)
  • Adjustments on the ignition advance map over 14 steps (-9 to +4)
  • Possible to adjust idle timing - see engine running time and self-diagnosis function
  • Memory function can save up to 9 different customised maps
  • Maps can be created without being connected to the bike
  • Easy plug and play, can be done in your garage or at the track
  • For competition usage only (close circuit and private land)


See the recommendation sheet for baseline settings.

Suitable for 6 great models

  • WR250F


    '15 '16 '17 '18
  • WR450F


    '12 '13 '14 '15 '16 '17 '18
  • YZ250F


    '14 '15 '16 '17 '18
  • YZ250F 60th Anniversary

    YZ250F 60th Anniversary

  • YZ450F


    '10 '11 '12 '13 '14 '15 '16 '17
  • YZ450F 60th Anniversary

    YZ450F 60th Anniversary