HARLEY DAVIDSON · J1850 ECU

HARLEY DAVIDSON XR Sportster J1850 tuning files

HARLEY DAVIDSON XR Sportster on the J1850: matched, calibrated and delivered with care. The matched variants sit between 90 and 90 HP from the factory. There are 6 distinct variants on file for this combination. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. We match the right calibration to your exact software and validate it before delivery.

Upload your file →All XR Sportster coverage Custom ECU tuning file service

Available solutions

What we can run on the J1850 for this vehicle — the precise options narrow down by engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

6 distinct variants for the HARLEY DAVIDSON XR Sportster on the J1850 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1200 90HP
Controller brand: DELPHI
ECU: J1850
Stock power: 90 HP

Variant 2

ECU

Catalog engine: 1200 90HP
Controller brand: DELPHI
ECU: J1850
Stock power: 90 HP
ECU HW: 171XJ009-001
SW upgrade: 176FM005-000
Calibration: 176FM005-000

Variant 3

ECU

Catalog engine: 1200 90HP
Controller brand: DELPHI
ECU: J1850
Stock power: 90 HP
SW upgrade: 176FM005-001
Calibration: 176FM005-001

Variant 4

ECU

Catalog engine: 1200 90HP
Controller brand: DELPHI
ECU: J1850
Stock power: 90 HP
ECU HW: 171XJ009-001
SW upgrade: 171XJ009-001
Calibration: 171XJ009-001

Variant 5

ECU

Catalog engine: 1200 90HP
Controller brand: DELPHI
ECU: J1850
Stock power: 90 HP
SW upgrade: 32165-08D
Calibration: 32165-08D

Variant 6

ECU

Catalog engine: 1200 90HP
Controller brand: DELPHI
ECU: J1850
Stock power: 90 HP
ECU HW: 171XJ009-001

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 XR 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 XR 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.