YAMAHA · RH850 ECU

YAMAHA YZF R1 RH850 tuning files

Here is what the catalog holds for the YAMAHA YZF R1 on the RH850. The matched variants sit between 48 and 197 HP from the factory. 12 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Your file is built against the exact ECU software on the car, then operator-verified.

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Available solutions

Applicable work for the RH850 on this vehicle. The available set firms up once the exact engine and software are known.

Stage 1 Stage 2

Engine variants & ECU software

12 distinct variants for the YAMAHA YZF R1 on the RH850 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1000 197HP
Controller brand: DENSO
ECU: RH850
Stock power: 197 HP
SW upgrade: 12165000_00
Calibration: 12165000_00

Variant 2

ECU

Catalog engine: 1000 197HP
Controller brand: DENSO
ECU: RH850
Stock power: 197 HP
ECU SW: 120DC000_01
SW upgrade: 121DE000_00
Calibration: 121DE000_00

Variant 3

ECU

Catalog engine: 1000 197HP
Controller brand: DENSO
ECU: RH850
Stock power: 197 HP
SW upgrade: 120DC000_72
Calibration: 120DC000_72

Variant 4

ECU

Catalog engine: 1000 197HP
Controller brand: DENSO
ECU: RH850
Stock power: 197 HP
SW upgrade: 120DC000_70
Calibration: 120DC000_70

Variant 5

ECU

Catalog engine: 1000 197HP
Controller brand: DENSO
ECU: RH850
Stock power: 197 HP
SW upgrade: 120DC000_71
Calibration: 120DC000_71

Variant 6

ECU

Catalog engine: 1000 197HP
Controller brand: DENSO
ECU: RH850
Stock power: 197 HP
SW upgrade: 120DC000_01
Calibration: 120DC000_01

Variant 7

ECU

Catalog engine: 1000 197HP
Controller brand: DENSO
ECU: RH850
Stock power: 197 HP
SW upgrade: 121DD0C0_00
Calibration: 121DD0C0_00

Variant 8

ECU

Catalog engine: 1000 197HP
Controller brand: DENSO
ECU: RH850
Stock power: 197 HP
SW upgrade: 121DE001_01
Calibration: 121DE001_01

Variant 9

ECU

Catalog engine: 1000 197HP
Controller brand: DENSO
ECU: RH850
Stock power: 197 HP

Variant 10

ECU

Catalog engine: 1000 197HP
Controller brand: DENSO
ECU: RH850
Stock power: 197 HP
ECU SW: 120DC000_01
SW upgrade: 120DC140_00
Calibration: 120DC140_00

Variant 11

ECU

Catalog engine: 1000 197HP
Controller brand: DENSO
ECU: RH850
Stock power: 197 HP
SW upgrade: 120DC041_00
Calibration: 120DC041_00

Variant 12

ECU

Catalog engine: 560 48HP
Controller brand: DENSO
ECU: RH850
Stock power: 48 HP
SW upgrade: 120E4002_00
Calibration: 120E4002_00

Related vehicles

Other vehicles built on the RH850 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the YAMAHA YZF R1 on the RH850?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the RH850 ECU software on this model?

Yes — the YAMAHA YZF R1 on the RH850 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.