aRacer RC Super XX PRO ECU – Yamaha R3 2019+ / MT-03 2019+

The aRacer RC Super XX PRO ECU for the Yamaha R3 2019+ / MT-03 2019+ is a full replacement programmable ECU system designed for riders, builders, and tuners who want advanced control beyond the factory ECU.

What It Is

A professional-level programmable engine control system for supported Yamaha R3 and MT-03 models. The RC Super XX PRO replaces the factory ECU and provides deeper control over fuel delivery, ignition timing, engine response, data, and supported aRacer accessories.

What It Does

• Full replacement ECU for supported Yamaha R3 / MT-03 models
• Advanced programmable fuel and ignition control
• Improved tuning flexibility for performance engine builds
• Supports supported aRacer tuning tools, displays, modules, and accessories
• Designed for riders, shops, tuners, race teams, and performance builds

Fitment

• Yamaha R3 2019       MT-03 2019
• Yamaha R3 2020       MT-03 2020
• Yamaha R3 2021       MT-03 2021
• Yamaha R3 2022       MT-03 2022
• Yamaha R3 2023       MT-03 2023
• Yamaha R3 2024       MT-03 2024
• Yamaha R3 2025       MT-03 2025
• Yamaha R3 2026       MT-03 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 QSR V2 Quick Shift Race – for supported quick shift applications
• aRacer Race Module 3 – for supported advanced race and logging functions
• aRacer Race Panel 2 – for supported display and control functions

Who It Is For

This ECU is intended for Yamaha R3 and MT-03 owners, builders, shops, tuners, and race teams who need a higher level of control than the factory ECU can provide.

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.