Variant 1
ECU- Catalog engine
- 1450 69HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 69 HP
- ECU HW
- 32900-05C
- SW upgrade
- 32900-05C
- Calibration
- 32900-05C
HARLEY DAVIDSON · J1850 ECU
HARLEY DAVIDSON SOFTAIL J1850 tuning files
Here is what the catalog holds for the HARLEY DAVIDSON SOFTAIL on the J1850. Stock output across the matched variants spans 60–69 HP. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
Available solutions
Applicable work for the J1850 on this vehicle. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
5 distinct variants for the HARLEY DAVIDSON SOFTAIL on the J1850 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 1800 67HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 67 HP
- SW upgrade
- 176AE106-001
- Calibration
- 176AE106-001
Variant 3
ECU- Catalog engine
- 1800 67HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 67 HP
- SW upgrade
- 32467-05C
- Calibration
- 32467-05C
Variant 4
ECU- Catalog engine
- 1450 64HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 64 HP
- ECU SW
- 32725-04
- ECU HW
- 32772-01
- SW upgrade
- 32725-04
- Calibration
- 32725-04
Variant 5
ECU- Catalog engine
- 1450 60HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 60 HP
- SW upgrade
- 33275-05B
- Calibration
- 33275-05B
Related vehicles
Other vehicles built on the J1850 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the HARLEY DAVIDSON SOFTAIL on the J1850?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the J1850 ECU software on this model?
Yes — the HARLEY DAVIDSON SOFTAIL on the J1850 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.