FlashTune ECU Bike-side Harness Tuning Kit – Kawasaki Ninja 400 / Z400 2018-22


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Bike-side harness installs on your motorcycle to be able to make adjustments without removing the ECU from the motorcycle.

*Not confirmed for fitment with 2023+ Ninja 400 / Z400 due to new electronics and ECUs.



Flash Tune Data-Link (Bike side) ECU Flashing Kits for the 2015-2017 Yamaha R3 : Your bike already has a standalone ECU and now you can get the tools to program it! There is no longer any need to send away your ECU! Note: Bike side kit attaches to the bike to allow lap top access with the included 4pin tuning cable.


  • Kawasaki Ninja 400 / Z400 2018-2022


This Interface allows you to easily adjust the following!

  • Remove ECU Restrictions
  • High Load Fuel Maps (with PC3 and PC5 map importing)
  • Low Load (cruising) Fuel Maps and Bias Mapping
  • Cylinder Specific Ignition Timing
  • Cooling Fan Temp Adjustment
  • Disable Injector Decel cut-off
  • and new features are added regularly.

Data-Link ECU Flashing Bike Side Kit Includes:

  • FTdataLink ECU Interface USB Cable
  • Bike-side programming harness to permanently install on your bike
  • FT ECU License to allow unlimited flashes for a single ecu

*Note: Installation documents are found in the Document Center once logged in to customer account*

​We believe everyone deserves the same tuning technology that until now was reserved for factory riders. With the FTEcu software you can remove the restrictions that the factory must put in place to meet strict street vehicle guidelines. By flashing your ECU you are able to tune your bike without interfering with critical correction factors resulting in smoother power gains than ever before possible.This product is for RACE USE ONLY! The included software will automatically update as new features are added!

Additional information

Weight 0.4 lbs
Dimensions 10 × 4 × 1 in


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