HARLEY DAVIDSON · J1850 ECU

HARLEY DAVIDSON VRSC J1850 tuning files

The HARLEY DAVIDSON VRSC on the J1850, mapped from stock file to finished result. Across the matched variants stock power runs from 60 to 125 HP. 23 distinct variants are catalogued here. 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.

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Available solutions

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

Stage 1 Stage 2

Engine variants & ECU software

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

Variant 1

ECU

Catalog engine: 1250 125HP
Controller brand: DELPHI
ECU: J1850
Stock power: 125 HP
ECU SW: 33278-09A
ECU HW: 32852-11
SW upgrade: 177ZL002-001
Calibration: 177ZL002-001

Variant 2

ECU

Catalog engine: 1250 125HP
Controller brand: DELPHI
ECU: J1850
Stock power: 125 HP
ECU SW: 33278-09A
ECU HW: 32852-11
SW upgrade: 33279-09A
Calibration: 33279-09A

Variant 3

ECU

Catalog engine: 1250 125HP
Controller brand: DELPHI
ECU: J1850
Stock power: 125 HP
SW upgrade: 32372-08B
Calibration: 32372-08B

Variant 4

ECU

Catalog engine: 1700 125HP
Controller brand: DELPHI
ECU: J1850
Stock power: 125 HP
SW upgrade: 33279-12B
Calibration: 33279-12B

Variant 5

ECU

Catalog engine: 1700 125HP
Controller brand: DELPHI
ECU: J1850
Stock power: 125 HP
SW upgrade: 32370-12A
Calibration: 32370-12A

Variant 6

ECU

Catalog engine: 1700 125HP
Controller brand: DELPHI
ECU: J1850
Stock power: 125 HP
SW upgrade: 177ZL002-001
Calibration: 177ZL002-001

Variant 7

ECU

Catalog engine: 1700 125HP
Controller brand: DELPHI
ECU: J1850
Stock power: 125 HP
SW upgrade: 32372-12B
Calibration: 32372-12B

Variant 8

ECU

Catalog engine: 1700 125HP
Controller brand: DELPHI
ECU: J1850
Stock power: 125 HP
SW upgrade: 33287-12C
Calibration: 33287-12C

Variant 9

ECU

Catalog engine: 1250 121HP
Controller brand: DELPHI
ECU: J1850
Stock power: 121 HP
SW upgrade: 176ZL001-001
Calibration: 176ZL001-001

Variant 10

ECU

Catalog engine: 1250 120HP
Controller brand: DELPHI
ECU: J1850
Stock power: 120 HP
SW upgrade: 33272-12B
Calibration: 33272-12B

Variant 11

ECU

Catalog engine: 1130 117HP
Controller brand: DELPHI
ECU: J1850
Stock power: 117 HP
SW upgrade: 32777-01C
Calibration: 32777-01C

Variant 12

ECU

Catalog engine: 1130 117HP
Controller brand: DELPHI
ECU: J1850
Stock power: 117 HP
ECU HW: 32784-01
SW upgrade: 32775-03B
Calibration: 32775-03B

Variant 13

ECU

Catalog engine: 1130 117HP
Controller brand: DELPHI
ECU: J1850
Stock power: 117 HP
SW upgrade: 32777-03B
Calibration: 32777-03B

Variant 14

ECU

Catalog engine: 1200 117HP
Controller brand: DELPHI
ECU: J1850
Stock power: 117 HP
ECU HW: 32784-01
SW upgrade: 105GY001-911105GY001
Calibration: 105GY001-911105GY001

Variant 15

ECU

Catalog engine: 1130 116HP
Controller brand: DELPHI
ECU: J1850
Stock power: 116 HP

Variant 16

ECU

Catalog engine: 1130 116HP
Controller brand: DELPHI
ECU: J1850
Stock power: 116 HP
SW upgrade: 32372-06A
Calibration: 32372-06A

Variant 17

ECU

Catalog engine: 1130 116HP
Controller brand: DELPHI
ECU: J1850
Stock power: 116 HP
SW upgrade: 33281-05B
Calibration: 33281-05B

Variant 18

ECU

Catalog engine: 1450 60HP
Controller brand: DELPHI
ECU: J1850
Stock power: 60 HP
ECU HW: 32772-01
SW upgrade: J32831-01
Calibration: J32831-01

Variant 19

ECU

Catalog engine: 1450 60HP
Controller brand: DELPHI
ECU: J1850
Stock power: 60 HP
ECU HW: 32772-01
SW upgrade: J32830-01
Calibration: J32830-01

Variant 20

ECU

Catalog engine: 1450 60HP
Controller brand: DELPHI
ECU: J1850
Stock power: 60 HP
SW upgrade: J32767-01B
Calibration: J32767-01B

Variant 21

ECU

Catalog engine: 1450 60HP
Controller brand: DELPHI
ECU: J1850
Stock power: 60 HP
SW upgrade: J32761-01B
Calibration: J32761-01B

Variant 22

ECU

Catalog engine: 1450 60HP
Controller brand: DELPHI
ECU: J1850
Stock power: 60 HP
SW upgrade: 32919-04A
Calibration: 32919-04A

Variant 23

ECU

Catalog engine: 1450 60HP
Controller brand: DELPHI
ECU: J1850
Stock power: 60 HP
SW upgrade: 105HO103-035105HO103
Calibration: 105HO103-035105HO103

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 VRSC 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 VRSC 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.