Programmable ECU Control for the Honda CRF125F.
The aRacer RC Super XX PRO ECU for the Honda CRF125F 2021+ 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 performance ECU platform for supported Honda CRF125F applications. The RC Super XX PRO replaces the factory ECU and provides advanced calibration access for race, dyno, testing, and performance development.
What It Does
- Full replacement ECU system for supported Honda CRF125F 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 CRF125F 2021+
Fitment Note: Confirm exact model year, market version, ECU connector, wiring configuration, and supported software setup before ordering.
Product Information
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Product: aRacer RC Super XX PRO ECU
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Application: Honda CRF125F
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Year Range: 2021+
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SKU: PA-B302300DB
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Type: Full replacement programmable ECU
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Platform: RC Super XX PRO
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 CRF125F?
The Honda CRF125F is a popular small-displacement dirt bike and mini race platform. The aRacer RC Super XX PRO gives builders 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.
Image Note: Some images featured may be re-used from a different model which is similar in appearance. Part numbers or serial numbers seen in images do not correspond to the actual parts we will ship.
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.
