Yamaha MT-09
- ECU
- 2SC-8591A-40
- ECU maker
- —
- Model years
- 2014-2015
- Stock firmware
- Included · 1 MB
What you can tune
123 calibration tables · 0 scalars · 4 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 |
|---|---|---|
| Disable Injector Cut Below | Fuel | 1 |
| Enable Injector Cut Above | Fuel | 1 |
| INJ Adv. | Fuel | 1 |
| Cyl # | Fuel | 6 |
| Neutral | Fuel | 1 |
| Gear 1-2 | Fuel | 1 |
| Gear 3-4-5-6 | Fuel | 1 |
| MS# Mode STD Select Map | Ignition | 2 |
| MS# Mode A Select Map | Ignition | 2 |
| MS# Mode B Select Map | Ignition | 2 |
| Neutral | Ignition | 1 |
| Map ## | Ignition | 9 |
| Cyl-# | Ignition | 2 |
| Volt-Dwell | Ignition | 1 |
| MS# Gear-Map# | Throttle / ETV | 2 |
| MS# Map ## | Throttle / ETV | 84 |
| SAP Pressure Comp | Idle | 1 |
| ETC vs RPM | Idle | 1 |
| Fan Temp | Temperature | 1 |
| Rev Limiter Soft/Hard | Limiters | 1 |
| Rev Limiter Soft/Hard_MS0/MS1 | Limiters | 1 |
| Checksum adress FFFF8 | Other | 1 |
4 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 MT-09 2014-2015?
This verified definition exposes 123 calibration tables — including fuel, ignition, throttle, limiters, idle and temperature maps — plus 0 adjustable scalars and 4 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 MT-09 definition cover?
The 2SC-8591A-40. 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.