Kawasaki Z900
- ECU
- 21175-1226
- ECU maker
- —
- Model years
- 2017-2020
- Stock firmware
- Included · 1 MB
What you can tune
97 calibration tables · 1 scalars · 10 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 |
|---|---|---|
| Cutoff | Fuel | 1 |
| Fuel Limiter ## | Fuel | 6 |
| Injector timing ## | Fuel | 2 |
| IAP Map A Cyl # | Fuel | 4 |
| IAP Map B Cyl # | Fuel | 4 |
| TPS Map A Cyl # | Fuel | 4 |
| TPS Map B Cyl # | Fuel | 4 |
| #° Gear Map A | Fuel | 6 |
| #° Gear Map B | Fuel | 6 |
| Speed Limiter ## | Fuel | 2 |
| Fuel Surplus | Fuel | 1 |
| Ignition N | Ignition | 1 |
| Ignition Map A CYL # | Ignition | 4 |
| Ignition Map B CYL # | Ignition | 4 |
| Coil Charge time Map A | Ignition | 1 |
| Coil Charge Time Map B | Ignition | 1 |
| Ignition Limiter ## | Ignition | 2 |
| Speed Limiter | Ignition | 1 |
| Secondary Throttle Map A Gear N | Throttle / ETV | 1 |
| Secondary Throttle Map A Gear # | Throttle / ETV | 6 |
| Secondary Throttle Map B Gear N | Throttle / ETV | 1 |
| Secondary Throttle Map B Gear # | Throttle / ETV | 6 |
| Secondary Throttle Decelerating Map A Gear # | Throttle / ETV | 6 |
| Secondary Throttle Decelerating Map B Gear # | Throttle / ETV | 6 |
| Idle speed management ## | Idle | 2 |
| Fan Control | Temperature | 1 |
| Intake Air Temp Sensor | Temperature | 1 |
| GEAR ## | Gearbox | 6 |
| Intake Air Pressure Sensor | Sensors & Axis | 1 |
| Ram Air Compensation | Sensors & Axis | 1 |
| Speed ECU Sensor | Sensors & Axis | 1 |
| SW version | Other · Rom Info | 1 |
| Checksum | Other · Rom Info | 1 |
| Part Number | Other · Rom Info | 1 |
| HW version | Other · Rom Info | 1 |
1 adjustable scalar (rev limits, thresholds, corrections)
| Activation % |
10 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 Kawasaki Z900 2017-2020?
This verified definition exposes 97 calibration tables — including fuel, ignition, throttle, gearbox, idle, other · rom info, sensors & axis and temperature maps — plus 1 adjustable scalars and 10 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 Kawasaki Z900 definition cover?
The 21175-1226. 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.