aRacer RC SuperX Complete ECU + AF2 Wideband O2 Sensor LSU4.9 (Air-Fuel Ratio Module) for YZF-R125/XSR125/MT125 (Japan spec)

【KN Planning PA-SG0139-SET aRacer RC SuperX Complete ECU + AF2 Wideband O2 Sensor LSU4.9 included Air-Fuel Ratio Module for YZF-R125/XSR125/MT125 (Japan Spec)】
The latest version of the tuning ECU essential for injection tuning: aRacer RC SuperX.
This kit includes a vehicle-specific full-control ECU unit and an AF2 O2 sensor module.
Since AF2 is included, creating a fuel map is very easy with the auto-tune function.
High-performance compensation (closed-loop compensation) functions, quickly adapting to changes in atmospheric pressure and temperature.
The trajectory of the data log can be displayed on the map, allowing for smooth adjustments.
The ECU unit is a coupler-on replacement for the genuine one *with precautions.
Vehicle-specific base maps are available, allowing for smooth setup.
The ECU unit is equipped with Wi-Fi for wireless communication.
Simple adjustments are possible by downloading a smartphone app.
PC software and instruction manuals can be downloaded here.
Please refer to this for usage instructions.
For more details, please visit the aRacer website.
【Evolution from Super2】
The MCU now has 6 cores, significantly improving processing speed. Control precision is further enhanced.
The exterior design has changed, leading to improved heat dissipation.
Wireless connection is now Wi-Fi, greatly increasing file transfer speed!
Logging is possible with a 33% increase in internal memory capacity.
PC software SpeedTuningX has improved usability. Incorporating our feedback,
we have added functions to better suit the usage patterns of our Japanese customers.
The graph scale values for fuel and ignition timing maps can now be set arbitrarily,
allowing for more detailed settings at frequently used RPMs.
In addition to the conventional method, auto-tune can now be performed using a map with TPS% on the vertical axis of the graph,
further improving usability.
Specifications
【Evolution from Super2】
The MCU now has 6 cores, significantly improving processing speed. Control precision is further enhanced.
The exterior design has changed, leading to improved heat dissipation.
Wireless connection is now Wi-Fi, greatly increasing file transfer speed!
Logging is possible with a 33% increase in internal memory capacity.
PC software SpeedTuningX has improved usability. Incorporating our feedback,
we have added functions to better suit the usage patterns of our Japanese customers.
The graph scale values for fuel and ignition timing maps can now be set arbitrarily,
allowing for more detailed settings at frequently used RPMs.
In addition to the conventional method, auto-tune can now be performed using a map with TPS% on the vertical axis of the graph,
further improving usability.
Compatible models: YAMAHA YZF-R125【BVD】Japan Spec 2023～ *Note (1)
YAMAHA XSR125【BVF】Japan Spec 2023～ *Note (1)
YAMAHA MT125【BVE】Japan Spec 2023～ *Note (1)
YAMAHA YZF-R15【V4】Indonesia/Taiwan Spec
*Cannot be used for YZF-R15【BVC】Japan Spec.
*(1) Wiring modification is required to enable the engine shutdown function in case of a fall.
If disabled, it can be used by changing the settings in the software (no wiring modification required).
*As of March 2024, the only map available in the software is for the R15V4 Indonesian specification, but
we will flash and ship a modified map for the Japan specification (125cc).
*For the above reason, please inform us of your vehicle type at the time of purchase.
Set contents/accessories: RC SuperX ECU unit ×1
AF2 Wideband O2 Sensor LSU4.9 included Air-Fuel Ratio Module ×1
Dedicated app aRacer X Tune Japanese manual (downloadable version)
■Image Notes
*Images are for illustration purposes only. Includes products with different sizes and colors. Product design and specifications are subject to change without notice. Please understand.
Precautions
*ECU tuning should be performed by skilled individuals with knowledge. Incorrect settings can cause engine damage.
*A PC and internet connection environment are required. The dedicated software SpeedTuningX is used for setting.
*The dedicated app aRacer X Tune can be used for simple settings, but
iOS (iPhone) is recommended. Android may not connect depending on the model.
*For wired connections, conventional iLink cables cannot be used. Please use the dedicated ProLink cable.
*The O2 sensor alone is covered by warranty only for initial defects. Defects after the initial run are not covered by warranty. Please be aware.
*Please inquire before purchasing if you have any questions.
*The included O2 sensor AF2 is not compatible with the normal muffler's 12mm sensor.
It is an 18mm sensor type for aftermarket mufflers, etc.