Programmable ECU Control for Yamaha Zuma 125 Platforms.
The aRacer RC Mini XX ECU for the Yamaha Zuma 125 2017-2020 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 Yamaha scooter applications. The RC Mini XX replaces the factory ECU and provides advanced calibration access for scooter performance builds, dyno testing, and development.
What It Does
- Full replacement ECU system for supported Yamaha Cygnus and BWSR 125 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
- Yamaha Zuma 125 2017
- Yamaha Zuma 125 2018
- Yamaha Zuma 125 2019
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Yamaha Zuma 125 2020
Fitment Note: Confirm exact model year, market version, ECU connector, wiring configuration, emissions version, 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 1-to-2 Cable Splitter Harness – for supported accessory expansion where needed
Why aRacer for Zuma 125?
The Yamaha Cygnus and BWSR 125 platforms are popular scooter platforms for street-style performance, custom builds, and small-displacement tuning. 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.
