Yamaha YZF-R1
- ECU
- B3L-8591A-XX
- ECU maker
- —
- Model years
- 2020-2023
- Stock firmware
- Upload your own
What you can tune
56 calibration tables · 0 scalars · 18 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 vs MAP Bias | Fuel | 1 |
| IAP vs RPM - Cyl # | Fuel | 4 |
| TPS vs RPM - Cyl # | Fuel | 4 |
| Primary Inj. Advance | Fuel | 1 |
| Secondary Inj. Advance | Fuel | 1 |
| % Secondary Injector | Fuel | 1 |
| Delta TPS vs RPM Neutral | Fuel | 1 |
| Delta TPS vs RPM Gear #-# | Fuel | 2 |
| Cyl#, Neutral | Ignition | 4 |
| Cyl#, Ingear | Ignition | 4 |
| Coil Dwell | Ignition | 1 |
| Fan Temp | Ignition | 1 |
| YCCI Variable Stacks | Ignition | 1 |
| RPM Limiter | Ignition | 1 |
| ETV, PWR#, Gear N | Throttle / ETV | 3 |
| ETV, PWR#, Gear # | Throttle / ETV | 18 |
| Info | Throttle / ETV | 7 |
| ETV Gear Map Index | Throttle / ETV | 1 |
18 patches & flags (toggle features on/off)
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-R1 2020-2023?
This verified definition exposes 56 calibration tables — including fuel, ignition and throttle maps — plus 0 adjustable scalars and 18 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-R1 definition cover?
The B3L-8591A-XX. 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.