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aRacer RC Mini X Standalone ECU for 2022+ Honda Grom

by aracer

ARacer RCmini X is a Complete engine management system that allows you to make all adjustments via wifi to your smartphone/tablet. Pair this up with the correct fuel injector size and you could easily tune your engine to run.   Tuning could be done on a dyno (highly recommended) or safely on a backroad/street using a wideband o2 gauge and sensor with the autotune function.    Optional AF2 option is available and recommended to be used with the RCmini X to have the ECU Auto-Tune.  

Does not work on European, Japanese or Korean spec bikes.  

RC Mini X ECU Hardware Features:

  • A quicker 4-core MCU computing speed processor (200% increase!)
  • Built-in wifi connectivity with 360-degree antenna (20% connection strength)
  • Redesigned external wiring which allows direct connection to AF2 module and/or quick-shifter

RC MiniX ECU Software Features:

  • FREE APP DOWNLOAD! No longer required to pay $16 for the Aracer Smart App
  • Improved AutoTune fuel adjustments and feedback with the use of the AF2
  • Each ECU has an exclusive ID, which the users can pay by credit card online to unlock special add-on options
  • WiFi connection allows for Laptop or SmartPhone connection
  • QuickBurn (Flash) is shortened by 200% (less than 60 seconds)

RC Mini X Function Features:

  • TCS traction function
  • The original factory is not equipped with TCS, and it can be easily started in the rainy and slippery state after it is turned on
  • The original factory is equipped with TCS, which can provide 3 stages adjustable
  • 3rd segment original narrowband O2 sensor fuel correction
  • Adjustable fuel injection timing
  • Response Button power response MAP adjustment → After the upgrade, open and hide the 3 target air-fuel & ignition angle diagrams
  • Guided idle speed setting
  • Guided quick discharge trigger pressure setting
  • New style Backfire/Idle loop control
  • New analysis tools 

RCmini X ECU 

  1. Brand-new 4-core MCU, the computing speed is increased by 200%
  2. 20x17 (RPM x TPS%) fuel adjustment
  3. 20x9 (RPM x TPS%) ignition angle adjustment (pay to open another 2 MAP)
  4. Manifold Air Pressure base for inlet air amount calculation
  5. Environment temp and Baro compensation available
  6. Increase Rev Limit. Pit Limit.
  7. Increase almost 10% above power after calibration (depend on engine model)
  8. Easy plugin (remove stock ECU and install RC1 ECU without any harness modified)
  9. Same connector as stock ECU
  10. RCmini 5 ECU meet IP67 specs
  11. Support Auto-Tune with aRacer AF2 wideband sensor module
  12. Built-in Wi-Fi and 360-degree antenna design (no additional wiring required), the connection signal strength is increased by 20%

Customer Reviews

Based on 15 reviews

Installed this on my 2023 Honda Grom and loving it more than anything else. Gave my bike the best upgrade it could ever have.


Works great, used on my 24’ Grom !

Andrew H
Great performance tuner!

Loving the arcade ECU with AF2 live tuning module! That way any weather, elevation or modifications are corrected for to maximize performance!

Tyler Reppen
Best tuner on the market

Was originally running a flash tune, with the cam/exhaust setup I put on my grom I decided to get the aracer and af2 from David to clear up some light throttle issues that my specific bike was experiencing. Man I couldn’t be happier! Worth every penny! Again nothing wrong with DHM flash tunes, my bike/location/setup just required some custom adjustments!

Kevin Russell
Must have

This is a must have to make sure your modifications work their best. The auto tune option IMO is a must have in order for you bike to run its best.