Definitions / Honda / CRF250L / 2017-2020

Honda CRF250L

2017-2020 ECU 38770-KZZ-J01 Stock firmware included
Honda CRF250L
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ECU
38770-KZZ-J01
ECU maker
Model years
2017-2020
Stock firmware
Included · 32 KB
20
Maps
0
Scalars
10
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

7 Fuel 7 tables
3 Ignition 5 tables
1 Throttle / ETV 1 table
1 Other 1 table
3 Sensors & Axis 3 tables
3 Temperature 3 tables

20 calibration tables · 0 scalars · 10 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
MAP-RPM áÁ¾ª´àªÂáç´Ù´ Fuel 1
INJ MAIN µÒÃÒ§¹éÓÁѹËÅÑ¡ Fuel 1
Pluse INJ secondary ª´àªÂ¹éÓÁѹà»Ô´¤Ñ¹àÃè§Ãͧ Fuel 1
Maxing Ratio AF ¡Ó˹´¤èÒÊèǹ¼ÊÁ Fuel 1
REV. INJ LIMITER RPM ÃͺµÑ´ËÑǩմ Fuel 1
LIFTING Dreegree ͧÈÒ¡Òéմ Fuel 1
Tourq STA INJ-IDLE Fuel 1
Ignition Drive #-# ͧÈÒä¿à¡ÕÂÃì #-# Ignition 3
Ignition N ͧÈÒä¿à¡ÕÂÃìÇèÒ§ Ignition 1
REV. IGN LIMITER ÃͺµÑ´¨Ø´ÃÐàºÔ´ Ignition 1
TPS ¤èҤѹàÃè§ Throttle / ETV 1
EOT Temperature 1
IAT Temperature 1
MAPSS Temperature 1
MAP ¤èÒáç´Ù´ Sensors & Axis 1
RPM Ãͺà¤Ã×èͧ¹µì Sensors & Axis 1
DATA SENSOR Sensors & Axis 1
DTC CODE NUMBER Other 1
10 patches & flags (toggle features on/off)
EOT sensorflag
MAPSS sensorflag
IAT sensorflag
O2 sensor #1flag
O2 sensor #2flag
INJ ERRORflag
EEPROM flag
ÊØÃÇØ²Ô ÂÕèÊØè¹á¡éÇflag
0x8000 0x0flag
38770-KZZ-J01flag

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 CRF250L 2017-2020?

This verified definition exposes 20 calibration tables — including fuel, ignition, throttle, sensors & axis and temperature maps — plus 0 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 Honda CRF250L definition cover?

The 38770-KZZ-J01. 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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