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Our Price from:$378.95


  • Most advanced, easy-to-operate single-user flash tuning tool for ALL fuel-injected Harley-Davidsons
  • User-friendly Android smartphone and tablet app allows users an easy-to-use display in real time that wirelessly communicates via Bluetooth
  • Utilizes advanced hardware and software specifications to combine the most commonly used features from the Centurion Pro professional diagnostics tool as well as the Direct Link professional flash tuning tool
  • Easy hookup with included cables
  • Once tuning is complete, the kit is simply unplugged until the next tune
  • Maximus allows backing up and restoring original maps, as well as re-flashing stock ECUs and performing routine diagnostics
  • Fast data acquisition and many hours of data storage provides accuracy and saves time
  • Provides power from the motorcycle for wideband O2 sensors and will record/monitor wideband O2 sensors
  • Tuning features include the ability to modify front and rear cylinder fuel/spark tables separately, air/fuel ratio, warm-up fuel, cranking fuel, closed loop, acceleration/deceleration, rev limiter and the ability to restore original map
  • Easy-to-use auto mapping feature
  • Diagnostic features include key fob coding, speedometer calibration, read and clear diagnostic trouble codes (DTC), and system relay testing
  • Requires the use of Windows-based PC, laptop or tablet
  • Made in the U.S.A.
NOTE: Can be used on one motorcycle an unlimited amount of times, but not multiple bikes.

NOTE: Not legal for sale or use in California on any pollution controlled motor vehicles.

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For 11‑13 Softail, 12‑13 Dyna and all 14‑17 models w/ CAN data bus (except 14‑17 V‑Rod) (6‑pin connector) - 
product # 1020-2771
For 01‑13 models w/ Delphi EFI (J1850) and 01‑17 V‑Rod (4‑pin connector) - 
product # 1020-2770