YAMAHA · B57-8591A-XX ECU

YAMAHA YXZ B57-8591A-XX tuning files

YAMAHA YXZ on the B57-8591A-XX: matched, calibrated and delivered with care. The matched variants sit between 91 and 91 HP from the factory. Stage 1 and Stage 2 are the safe starting points for this platform. Each file is tied to the precise software on your car and checked before it goes out.

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Available solutions

What we can run on the B57-8591A-XX for this vehicle — the precise options narrow down by engine and software version.

Stage 1Stage 2

Engine variants & ECU software

2 distinct variants for the YAMAHA YXZ on the B57-8591A-XX ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1000 91HP
Controller brand
MITSUBISHI
ECU
B57-8591A-XX
Stock power
91 HP
ECU SW
F76572C

Variant 2

ECU
Catalog engine
1000 91HP
Controller brand
MITSUBISHI
ECU
B57-8591A-XX
Stock power
91 HP
ECU SW
F76574C

Related vehicles

Other vehicles built on the B57-8591A-XX controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the YAMAHA YXZ on the B57-8591A-XX?

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

Do you cover the B57-8591A-XX ECU software on this model?

Yes — the YAMAHA YXZ on the B57-8591A-XX 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.

YAMAHA YXZ B57-8591A-XX ECU Tuning Files | TuningBay