Skip to main content

2020 KX450


KX FI Calibration Kit

Item # 99999-0667

MSRP $933.81
Not Sold Online

The KX FI Calibration Kit features a handheld KX FI Calibration Controller which enables riders to adjust engine characteristics, by rewriting actual data maps, to suit their preference

  • Use without a PC: simply plug the KX FI Calibration Controller in the engine’s ECU
  • Built-in color LCD screen with easy-to-use interface
  • SD card compatible for data transfer of maps between the controller and a PC
  • Seven pre-set settings for easy ECU adjustment to suit track conditions
  • ECU maps for fuel injection volume and ignition timing based on throttle position and rpm
  • The KX FI Calibration Controller displays the status of a running engine when connected to the ECU
  • Water-resistant
  • Includes transfer and diagnostic cables, SD memory card, user manual, and carrying case
  • Kit includes all required items for the (2019-2020) KX450
  • NOTE: If you already own KX FI Calibration kit (99999-0613/99999-0615) then you do not need to purchase KX FI Calibration Kit (99999-0667).    To use KX FI Calibration kit (99999-0613/99999-0615) on the (2019-2020) KX450 you will need (1) 92037-1794 Tube Clamp, (1) 26011-0933 Sub Harness and (1) 41080-0707 CD Software Upgrade (sold separately)

The KX FI Calibration Controller contains seven pre-set settings that can be quickly and easily used to adjust the ECU to suit track conditions. The provided settings are shown below.


  • Richer fuel setting - fuelling 5% richer than stock
  • Leaner fuel setting - fuelling 5% leaner than stock
  • Advanced ignition setting - ignition advanced 3o from stock
  • Retarded ignition setting - ignition retarded 3o from stock
  • Hard riding surface setting - ignition retarded, fuelling richer
  • Soft riding surface setting - ignition advanced, fuelling leaner
  • Beginner setting - engine power suppressed: ignition retarded, fuelling richer

Price and specifications are subject to change without notice or liability. Availability is subject to production, stocking and demand. Manufacturers suggested retail prices shown.


This accessory requires LED Light Bar Harness Kit (99994-1180) and Brush Guard (99994-1153) for mounting, sold seperately.

light bar
light bar
light bar

KX450 2020, 2019