Variant 1
ECU- Catalog engine
- 450 40HP
- Controller brand
- MITSUBISHI
- ECU
- HYG166
- Stock power
- 40 HP
YAMAHA · HYG166 ECU
YAMAHA YFZ HYG166 tuning files
Everything we work with on the YAMAHA YFZ fitted with the HYG166. Stock output across the matched variants spans 40–40 HP. For this platform the dependable path begins with Stage 1 and Stage 2. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
Available solutions
Solutions that apply to the HYG166 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 YFZ on the HYG166 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 450 40HP
- Controller brand
- MITSUBISHI
- ECU
- HYG166
- Stock power
- 40 HP
- Calibration
- F86971B
Related vehicles
Other vehicles built on the HYG166 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the YAMAHA YFZ on the HYG166?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the HYG166 ECU software on this model?
Yes — the YAMAHA YFZ on the HYG166 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.