Programmable ECU Control for the Honda CT125 / Trail 125 Platform.
The aRacer RC Mini XX ECU for the Honda CT125 / Trail 125 2021+ is a full replacement programmable ECU system designed for riders, builders, and tuners who want more control than the factory ECU can provide.
What It Is
A compact programmable engine control system for supported Honda CT125 and Trail 125 models. The RC Mini XX replaces the factory ECU and provides deeper control over fuel delivery, ignition timing, engine response, and supported aRacer accessories.
What It Does
- Full replacement ECU for supported Honda CT125 / Trail 125 models
- Programmable fuel and ignition control
- Improved tuning flexibility for performance engine builds
- Supports supported aRacer tuning tools, displays, and accessories
- Designed for riders, shops, and tuners who need more control than the stock ECU
Fitment
Honda CT125 2021 Trail 125 2021
Honda CT125 2022 Trail 125 2022
Honda CT125 2023 Trail 125 2023
Honda CT125 2024 Trail 125 2024
Honda CT125 2025 Trail 125 2025
Honda CT125 2026 Trail 125 2026
Please confirm your exact model year, market version, ECU connector, and wiring configuration before ordering.
Recommended Accessories
-
aRacer AF3 Wideband AFR Module – for wideband AFR monitoring and tuning support
-
aRacer PRO-LINK USB Communication Adapter – for ECU communication and calibration access
-
aRacer DG2 Display Gauge – for supported ECU data display
-
aRacer R Button – for supported ECU function control where applicable
-
aRacer 1-to-2 Cable Splitter Harness – for supported accessory expansion
Who It Is For
This ECU is intended for Honda CT125 and Trail 125 owners who are building, testing, tuning, racing, or modifying the platform beyond the limits of the factory ECU.
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 local, state, and federal 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.
