YAMAHA · HAH348 ECU

YAMAHA OUTBOARD HAH348 tuning files

Tuning file coverage for the YAMAHA OUTBOARD running the HAH348 ECU. Stock output across the matched variants spans 350–350 HP. 2 distinct variants are catalogued here. 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.

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Available solutions

Applicable work for the HAH348 on this vehicle. The available set firms up once the exact engine and software are known.

Stage 1 Stage 2

Engine variants & ECU software

2 distinct variants for the YAMAHA OUTBOARD on the HAH348 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 4200 350HP
Controller brand: MITSUBISHI
ECU: HAH348
Stock power: 350 HP
Calibration: 13106AW_A10

Variant 2

ECU

Catalog engine: 4200 350HP
Controller brand: MITSUBISHI
ECU: HAH348
Stock power: 350 HP

Related vehicles

Other vehicles built on the HAH348 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the YAMAHA OUTBOARD on the HAH348?

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

Do you cover the HAH348 ECU software on this model?

Yes — the YAMAHA OUTBOARD on the HAH348 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.