Yamaha YZF-R25
- ECU
- BNS-H591A-00
- ECU maker
- —
- Model years
- 2021-2023
- Stock firmware
- Upload your own
What you can tune
17 calibration tables · 0 scalars · 0 patches & flags — all editable in the browser.
Getting started
Upload your own BIN read of this ECU to start from.
Heat-mapped tables, editable 2D/3D graphs, cell math, AI auto-tune, and compare against other reads.
Download a standard modified BIN and flash it with your own hardware and software.
Calibration maps
| Map | Group | Tables |
|---|---|---|
| TPS Breakpoint_AFR | Fuel | 1 |
| RPM Breakpoint_AFR | Fuel | 1 |
| TPS - RPM | Fuel | 1 |
| MAP - RPM | Fuel | 1 |
| AFR Target | Fuel | 2 |
| Ignition Map | Ignition | 1 |
| TPS Breakpoint | Throttle / ETV | 1 |
| TPS Breakpoint_# | Throttle / ETV | 2 |
| RPM Breakpoint_TPS | Throttle / ETV | 1 |
| RPM Limiter - HAM TUA | Limiters | 1 |
| MAP Breakpoint | Sensors & Axis | 1 |
| RPM Breakpoint_# | Sensors & Axis | 2 |
| RPM Breakpoint_MAP | Sensors & Axis | 1 |
| OTHER MAP | Other · General Other Map | 1 |
MotoEditor edits the calibration and exports a standard BIN — reading and flashing the ECU is handled by your own flashing hardware and software.
Frequently asked
What can I tune on the Yamaha YZF-R25 2021-2023?
This verified definition exposes 17 calibration tables — including fuel, ignition, throttle, limiters, other · general other map and sensors & axis maps — plus 0 adjustable scalars and 0 feature patches, all editable in your browser.
Do I need to remove or open the ECU?
No. MotoEditor edits the calibration and exports a standard BIN. Reading the stock file from the bike and writing it back is done with your own flashing hardware and software.
Which ECU does this Yamaha YZF-R25 definition cover?
The BNS-H591A-00. Every map address and scaling is verified against the stock firmware, so what you edit matches the real calibration.
Can I use my own stock file?
Yes. Start a project from your bike's stock BIN and your changes apply to it, or begin from the built-in reference — either way you export a standard BIN.
How much does access cost?
MotoEditor is a single subscription that unlocks the browser editor for this definition and every other bike in the library — no per-project or per-download fees.