Name: Yamaha 350hp DEC Outboard F350USA
Brand: Yamaha
SKU: NM745096093
Price: 24657.00 USD
Availability: InStock

Description

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.

Specifications

Specification	Details
Engine Type	Yamaha F350USA DEC Four Stroke
Horsepower	350 hp
Cylinders	6 (V6)
Displacement	4.3 L
Fuel System	Electronic Fuel Injection (EFI)
Shaft Length	30" (XX-Long)
Throttle / Shift	Digital Electronic Controls
Steering	Integrated Electric Actuation
Starter	Electric
Weight	642 lbs
Alternator Output	50–70 Amp
Full Throttle RPM Range	5000 – 6000 rpm
Degree of Trim	-3° to +16°
Degree of Tilt	69°
Warranty	Yamaha 3-Year Warranty
Standard Features	Power Trim & Tilt, Owner’s Manual

What’s Included

Yamaha 350hp DEC Outboard F350USA
Power Trim & Tilt
Owner’s Manual

FAQ

Frequently Asked Questions About Yamaha 350hp DEC Outboard F350USA

What stands out about the powerhead on Yamaha 350hp DEC Outboard F350USA?

The specification for Yamaha 350hp DEC Outboard F350USA centers on a 4.3 L V6 four-stroke engine with Electronic Fuel Injection (EFI). For buyers comparing nearby models, that matters because the row clearly sets out the displacement, cylinder count, and fuel system instead of leaving the motor’s character to the horsepower number alone.

Is there useful onboard charging capacity on this outboard?

A listed alternator output of 50–70 Amp is a major part of this engine’s overall profile. On a larger offshore-style motor, that figure matters because it speaks to the electrical support available while running more demanding onboard systems.

Where does this outboard fit best on the water?

This offshore outboard is described for offshore boats requiring a 30-inch shaft. The combination of 30" (XX-Long) shaft length, helm-oriented controls, and a larger-displacement platform makes the offshore and big-transom intent very clear.

What does the shaft length mean in practice?

A 30" (XX-Long) shaft is one of the most important setup details on this offshore outboard. In the product copy, that length is tied directly to offshore-style hulls and taller transoms, so it helps buyers confirm the intended boat configuration at a glance.

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