Honda CBR250RR
- ECU
- 38770-K64-MB1
- ECU maker
- —
- Model years
- 2020-2023
- Stock firmware
- Upload your own
What you can tune
60 calibration tables · 1 scalars · 5 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 |
|---|---|---|
| IAP Cyl # | Fuel | 2 |
| TPS Cyl # | Fuel | 2 |
| IAP Cyl # ## | Fuel | 2 |
| TPS Cyl # ## | Fuel | 2 |
| TPS vs RPM | Fuel | 1 |
| Balance IAP vs TPS | Fuel | 1 |
| Ign N | Ignition | 2 |
| Ign Cyl # Gear #-# | Ignition | 8 |
| TPS ## | Throttle / ETV | 2 |
| ETV TPS | Throttle / ETV | 1 |
| ETV RPM | Throttle / ETV | 1 |
| GEAR #N | Throttle / ETV | 1 |
| GEAR ## | Throttle / ETV | 6 |
| Gear #N | Throttle / ETV | 1 |
| Gear ## | Throttle / ETV | 12 |
| Warm Up Idle # | Idle | 2 |
| RPM Limiter ## | Limiters | 2 |
| Limiter ## | Limiters | 7 |
| Limiter Offset #8 | Limiters | 1 |
| RPM ## | Other · CBR250RR SP 2021 38770-K64-MB1 Braekpoint | 2 |
| ECM ID | Other · CBR250RR SP 2021 38770-K64-MB1 ROM Info | 1 |
| SW Version | Other · CBR250RR SP 2021 38770-K64-MB1 ROM Info | 1 |
1 adjustable scalar (rev limits, thresholds, corrections)
| CBR250RR-SP 2021 38770-K64-MB1 |
5 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 Honda CBR250RR 2020-2023?
This verified definition exposes 60 calibration tables — including fuel, ignition, throttle, limiters, idle, other · cbr250rr sp 2021 38770-k64-mb1 braekpoint and other · cbr250rr sp 2021 38770-k64-mb1 rom info maps — plus 1 adjustable scalars and 5 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 Honda CBR250RR definition cover?
The 38770-K64-MB1. 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.