Variant 1
ECU- Catalog engine
- 300 20HP
- Controller brand
- TOHATSU
- ECU
- EC7703F
- Stock power
- 20 HP
TOHATSU · EC7703F ECU
TOHATSU MFS50A EC7703F tuning files
The TOHATSU MFS50A on the EC7703F, mapped from stock file to finished result. Across the matched variants stock power runs from 20 to 20 HP. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
Available solutions
Applicable work for the EC7703F on this vehicle. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
2 distinct variants for the TOHATSU MFS50A on the EC7703F ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 333 20HP
- Controller brand
- TOHATSU
- ECU
- EC7703F
- Stock power
- 20 HP
Questions, answered.
Which tuning solutions are available for the TOHATSU MFS50A on the EC7703F?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the EC7703F ECU software on this model?
Yes — the TOHATSU MFS50A on the EC7703F 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.