YAMAHA · RH850 ECU

YAMAHA T-MAX RH850 tuning files

YAMAHA T-MAX on the RH850: matched, calibrated and delivered with care. Across the matched variants stock power runs from 46 to 165 HP. 13 distinct variants are catalogued here. Stage 1 and Stage 2 are the safe starting points for this platform. We match the right calibration to your exact software and validate it before delivery.

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Available solutions

What we can run on the RH850 for this vehicle — the precise options narrow down by engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

13 distinct variants for the YAMAHA T-MAX on the RH850 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1000 165HP
Controller brand: DENSO
ECU: RH850
Stock power: 165 HP
SW upgrade: 12169000_00
Calibration: 12169000_00

Variant 2

ECU

Catalog engine: 1000 164HP
Controller brand: DENSO
ECU: RH850
Stock power: 164 HP
SW upgrade: 121690C1_01
Calibration: 121690C1_01

Variant 3

ECU

Catalog engine: 562 48HP
Controller brand: DENSO
ECU: RH850
Stock power: 48 HP
SW upgrade: 121DD080_00
Calibration: 121DD080_00

Variant 4

ECU

Catalog engine: 562 48HP
Controller brand: DENSO
ECU: RH850
Stock power: 48 HP
SW upgrade: 124A6000_00
Calibration: 124A6000_00

Variant 5

ECU

Catalog engine: 562 48HP
Controller brand: DENSO
ECU: RH850
Stock power: 48 HP
SW upgrade: 120E40C0_00
Calibration: 120E40C0_00

Variant 6

ECU

Catalog engine: 562 48HP
Controller brand: DENSO
ECU: RH850
Stock power: 48 HP
SW upgrade: 121DD002_00
Calibration: 121DD002_00

Variant 7

ECU

Catalog engine: 562 48HP
Controller brand: DENSO
ECU: RH850
Stock power: 48 HP
SW upgrade: 120E4001_00
Calibration: 120E4001_00

Variant 8

ECU

Catalog engine: 562 48HP
Controller brand: DENSO
ECU: RH850
Stock power: 48 HP
SW upgrade: 124A7080_00
Calibration: 124A7080_00

Variant 9

ECU

Catalog engine: 562 48HP
Controller brand: DENSO
ECU: RH850
Stock power: 48 HP
SW upgrade: 124A7000_00
Calibration: 124A7000_00

Variant 10

ECU

Catalog engine: 562 48HP
Controller brand: DENSO
ECU: RH850
Stock power: 48 HP
SW upgrade: 12169040_00
Calibration: 12169040_00

Variant 11

ECU

Catalog engine: 562 48HP
Controller brand: DENSO
ECU: RH850
Stock power: 48 HP
SW upgrade: 12758000_00
Calibration: 12758000_00

Variant 12

ECU

Catalog engine: 562 48HP
Controller brand: DENSO
ECU: RH850
Stock power: 48 HP
SW upgrade: 124A6080_00
Calibration: 124A6080_00

Variant 13

ECU

Catalog engine: 560 46HP
Controller brand: DENSO
ECU: RH850
Stock power: 46 HP
SW upgrade: 121DD080_00
Calibration: 121DD080_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 T-MAX 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 T-MAX 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.