YAMAHA · 1WS-8591A-XX ECU

YAMAHA MT-07 1WS-8591A-XX tuning files

Everything we work with on the YAMAHA MT-07 fitted with the 1WS-8591A-XX. Stock output across the matched variants spans 75–75 HP. 2 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.

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.

Engine variants & ECU software

2 distinct variants for the YAMAHA MT-07 on the 1WS-8591A-XX ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
689 75HP
Controller brand
DENSO
ECU
1WS-8591A-XX
Stock power
75 HP
ECU SW
CA02YP00

Variant 2

ECU
Catalog engine
689 75HP
Controller brand
DENSO
ECU
1WS-8591A-XX
Stock power
75 HP

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 MT-07 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 MT-07 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 MT-07 1WS-8591A-XX ECU Tuning Files | TuningBay