Yamaha YZF-R1
- ECU
- 1KB-8591A-70
- ECU maker
- —
- Model years
- YEC
- Stock firmware
- Included · 1 MB
What you can tune
48 calibration tables · 0 scalars · 0 patches & flags — all editable in the browser.
Getting started
Start from the included stock firmware, or upload your own BIN read.
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 |
|---|---|---|
| Rev Limit Fuel | Fuel | 1 |
| Fuel IAP Cyl # | Fuel | 4 |
| Fuel TPS Cyl # Map # | Fuel | 8 |
| Injetor # a # volts Comp | Fuel | 2 |
| Injector Timing primaty adv | Fuel | 1 |
| Injector Timing Secundary adv | Fuel | 1 |
| Injector Balance Primary x Secundary | Fuel | 1 |
| Injector proportion Primary* | Fuel | 1 |
| Accel Enrichment Delta TPS vs RPM Gear 0 | Fuel | 1 |
| Accel Enrichment Delta TPS vs RPM Gear 1,2 | Fuel | 1 |
| Accel Enrichment Delta TPS vs RPM Gear 3,4,5,6 | Fuel | 1 |
| Rev Limit Ignition | Ignition | 1 |
| Ignition Map STD Neutro | Ignition | 1 |
| Ignition Map Mode STD Gear # - SBK Map + strong | Ignition | 6 |
| Ignition Map Gear #, # Mode A - STK Map (- strong) | Ignition | 2 |
| Ignition Map Gear 3, 4 Mode A STK Map (- strong) | Ignition | 1 |
| Ignition Map Gear #, # Mode B | Ignition | 3 |
| Coil Dwell Volts | Ignition | 1 |
| ECT x RPM Idle Speed | Idle | 1 |
| ECU ID | Other | 1 |
| 0x000422E6 1x6 | Other | 1 |
| 0x000422F2 1x6 | Other | 1 |
| 0x000422FE 1x6 | Other | 1 |
| 0x0004230A 1x6 | Other | 1 |
| #x# #x# | Other | 4 |
| 0x0004280C 1x6 | Other | 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-R1 YEC?
This verified definition exposes 48 calibration tables — including fuel, ignition and idle 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-R1 definition cover?
The 1KB-8591A-70. 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.