HARLEY DAVIDSON · J1850 ECU

HARLEY DAVIDSON SPORTSTER J1850 tuning files

Everything we work with on the HARLEY DAVIDSON SPORTSTER fitted with the J1850. The matched variants sit between 54 and 54 HP from the factory. 2 distinct variants are catalogued here. For this platform the dependable path begins with Stage 1 and Stage 2. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Available solutions

Solutions that apply to the J1850 on this vehicle platform. The exact set depends on the specific engine and software version.

Engine variants & ECU software

2 distinct variants for the HARLEY DAVIDSON SPORTSTER on the J1850 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
883cc 54HP
Controller brand
DELPHI
ECU
J1850
Stock power
54 HP
SW upgrade
32147-07E
Calibration
32147-07E

Variant 2

ECU
Catalog engine
1200 54HP
Controller brand
DELPHI
ECU
J1850
Stock power
54 HP

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 SPORTSTER 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 SPORTSTER 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.

HARLEY DAVIDSON SPORTSTER J1850 ECU Tuning Files | TuningBay