Definitions / Honda / MSX125 / 2017-2019

Honda MSX125

2017-2019 ECU 38770-K26-C31 Stock firmware included
Honda MSX125
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ECU
38770-K26-C31
ECU maker
Model years
2017-2019
Stock firmware
Included · 64 KB
7
Maps
0
Scalars
0
Patches
Browse everything free. Every map, scalar and patch in this definition is listed below. An active subscription unlocks the browser editor to change them and export a BIN.
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What you can tune

3 Fuel 3 tables
2 Ignition 2 tables
1 Throttle / ETV 1 table
1 Sensors & Axis 1 table

7 calibration tables · 0 scalars · 0 patches & flags — all editable in the browser.

Getting started

STEP 1
Create a project

Start from the included stock firmware, or upload your own BIN read.

STEP 2
Edit the maps

Heat-mapped tables, editable 2D/3D graphs, cell math, AI auto-tune, and compare against other reads.

STEP 3
Export a BIN

Download a standard modified BIN and flash it with your own hardware and software.

Calibration maps

MapGroupTables
TPS vs RPM Fast-Idle Fuel 1
TPS vs RPM Fuel 1
Fuel Cut Fuel 1
Ignition 1-6 Ignition 1
Ignition N Ignition 1
TPS Breakpoints Throttle / ETV 1
RPM Breakpoints Sensors & Axis 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 Honda MSX125 2017-2019?

This verified definition exposes 7 calibration tables — including fuel, ignition, throttle 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 Honda MSX125 definition cover?

The 38770-K26-C31. 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.

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