Variant 1
ECU- Catalog engine
- 750 54HP
- Controller brand
- DELPHI
- ECU
- HD J1850
- Stock power
- 54 HP
HARLEY DAVIDSON · HD J1850 ECU
HARLEY DAVIDSON 750 STREET HD J1850 tuning files
The HARLEY DAVIDSON 750 STREET on the HD J1850, mapped from stock file to finished result. The matched variants sit between 54 and 54 HP from the factory. Stage 1 and Stage 2 are the safe starting points for this platform. Each file is tied to the precise software on your car and checked before it goes out.
Available solutions
Solutions that apply to the HD J1850 on this vehicle platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
1 distinct variant for the HARLEY DAVIDSON 750 STREET on the HD J1850 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the HD 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 750 STREET on the HD J1850?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the HD J1850 ECU software on this model?
Yes — the HARLEY DAVIDSON 750 STREET on the HD 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.