Yamaha 350hp DEC Outboard F350USA

Overview Yamaha 350hp DEC Outboard F350USA

The Yamaha 350hp DEC Outboard F350USA sets a new standard for offshore performance with its advanced 4.3-liter V6 powerhead. Engineered for long-distance offshore runs and demanding saltwater conditions, this model combines extreme horsepower with a lightweight design, delivering one of the best power-to-weight ratios in its class.

Built with a 30-inch (XX-Long) shaft, the F350USA is ideal for offshore boats with higher transoms, offering confident handling, smooth acceleration, and outstanding durability.

Features and Performance

- 4.3L V6 Four-Stroke Engine – Class-leading power-to-weight with massive offshore torque
- Digital Electronic Controls (DEC) – Smooth, precise throttle and shift response
- Integrated Electric Actuation Steering – Effortless steering and superior control at speed
- 11:1 Compression Ratio – Maximized combustion efficiency for higher output
- 81mm Electronic Throttle Valve – Faster throttle response with balanced airflow
- Advanced Camshaft & Valve Lift Design – Increased combustion and torque delivery
- High-Output Alternator (50–70 Amp) – Over 30 net amps at idle for onboard electronics
- Iridium Spark Plugs & Optimized EFI Mapping – Improved ignition efficiency and power
- Heavy-Duty Clutch Dog Design – Enhanced torque transfer to the propeller
- Power Trim & Tilt – Easy adjustment for performance and trailering

Why You Should Buy it

The Yamaha F350USA is the perfect solution for offshore boaters who need maximum V6 power with a 30-inch shaft configuration. Its combination of advanced digital control, lightweight design, and proven Yamaha reliability makes it an exceptional choice for large center consoles, offshore fishing boats, and performance-driven vessels.