YAMAHA · 1WS-8591A-XX ECU

YAMAHA T-MAX 1WS-8591A-XX tuning files

Here is what the catalog holds for the YAMAHA T-MAX on the 1WS-8591A-XX. The matched variants sit between 46 and 46 HP from the factory. Stage 1 and Stage 2 are the safe starting points for this platform. 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 1WS-8591A-XX on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1Stage 2

Engine variants & ECU software

1 distinct variant for the YAMAHA T-MAX on the 1WS-8591A-XX ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
530 46HP
Controller brand
DENSO
ECU
1WS-8591A-XX
Stock power
46 HP
ECU SW
4S08YP00

Related vehicles

Other vehicles built on the 1WS-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 T-MAX on the 1WS-8591A-XX?

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

Do you cover the 1WS-8591A-XX ECU software on this model?

Yes — the YAMAHA T-MAX on the 1WS-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 T-MAX 1WS-8591A-XX ECU Tuning Files | TuningBay