Programmable ECU Control for the Honda CBR300R.
The aRacer RC Mini XX ECU for the Honda CBR300R 2014+ is a full replacement programmable ECU system for riders, builders, and tuners who want deeper control over fuel, ignition, tuning data, and supported aRacer accessories.
What It Is
A compact performance ECU platform for supported Honda CBR300R applications. The RC Mini XX replaces the factory ECU and provides advanced calibration access for sport bike performance builds, dyno testing, and development.
What It Does
- Full replacement ECU system for supported Honda CBR300R models
- Advanced fuel and ignition control
- Improved tuning flexibility beyond the factory ECU
- Supports data-driven dyno testing and calibration work
- Compatible with supported aRacer displays, modules, and accessories
- Built for race, track, testing, and performance applications where applicable
Fitment
Honda CBR300R 2014
Honda CBR300R 2015
Honda CBR300R 2016
Honda CBR300R 2017
Honda CBR300R 2018
Honda CBR300R 2019
Honda CBR300R 2020
Honda CBR300R 2021
Honda CBR300R 2022
Honda CBR300R 2023
Honda CBR300R 2024
Honda CBR300R 2025
Honda CBR300R 2026
Fitment Note: Confirm exact model year, market version, ECU connector, wiring configuration, and supported software setup before ordering.
Recommended Accessories
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aRacer AF3 Wideband AFR Module – for accurate AFR monitoring and tuning support
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aRacer PRO-LINK USB Communication Adapter – for supported PC communication and tuning access
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aRacer DG2 Multi-Function Display Gauge – for real-time display data where supported
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aRacer Race Panel 2 – for larger racing display and monitoring setups where supported
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aRacer R Button – for supported MAP switching and ECU function control
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aRacer QSR V2 Quick Shift Race V2 – for supported quick-shift integration where compatible
Why aRacer for CBR300R?
The Honda CBR300R is a lightweight sport bike platform used for street-style performance builds, track riding, small-displacement racing, and dyno development. The aRacer RC Mini XX gives riders and tuners a complete ECU platform with calibration access, supported accessories, and official North American support.
North American Support
- Supported by aRacer ECU R&D of America LLC
- U.S.-based technical support
- North American validation and platform development
- Fast domestic shipping from California when in stock
Competition Use Notice: Some products are intended for closed-course competition, off-road, testing, research, or development use only where applicable. Customer is responsible for compliance with all applicable laws and regulations.
California Proposition 65 Warning
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
