Name: Yamaha 300hp DEC Outboard F300USB
Brand: Yamaha
SKU: NM336959802
Price: 20952.00 USD
Availability: InStock

Description

Overview Yamaha 300hp DEC Outboard F300USB

The Yamaha 300hp DEC Outboard F300USB is built on Yamaha’s award-winning 4.2-liter V6 offshore platform, trusted for exceptional durability, efficiency, and smooth power delivery. Designed for boats with higher transoms, this 30-inch shaft model is ideal for offshore fishing boats, deep-V hulls, and long-range saltwater vessels.

With a refreshed cowling design, enhanced reverse thrust, and advanced digital technology, the F300USB offers confident handling and reliable performance in demanding offshore environments.

Features and Performance

4.2L V6 Four-Stroke Engine – Strong offshore torque with smooth, efficient acceleration
Digital Electronic Controls (DEC) – Precise throttle and shift for effortless operation
Integrated Electric Power Steering – Reduced steering effort and improved maneuverability
Electronic Fuel Injection (EFI) – Reliable starts and optimized fuel efficiency
30″ XX-Long Shaft – Ideal for offshore boats with higher transoms
Saltwater Series II™ HP Propeller Compatibility – Improved top-end speed in lighter applications
Shift Dampener System (SDS®) – Quiet, smooth gear engagement
TotalTilt™ System – One-touch full trim up or down for easy trailering
Thrust Enhancing Reverse Exhaust – Excellent reverse thrust and docking control
High-Output Alternator (50–70 Amp) – Powers advanced marine electronics

Why You Should Buy it

The Yamaha F300USB is an excellent choice for offshore boaters who need dependable V6 power with a 30-inch shaft and effortless digital control. Its combination of integrated electric steering, strong electrical output, and legendary Yamaha reliability makes it a smart long-term investment for serious saltwater boating.

Specifications

Specification	Details
Engine Type	Yamaha F300USB DEC Four Stroke
Horsepower	300 hp
Cylinders	6 (V6)
Displacement	4.2 L
Fuel System	Electronic Fuel Injection (EFI)
Shaft Length	30" (XX-Long)
Throttle / Shift	Digital Electronic Controls
Steering	Integrated Electric Power Steering
Starter	Electric
Weight	624 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 300hp DEC Outboard F300USB
Power Trim & Tilt
Owner’s Manual

FAQ

Frequently Asked Questions About Yamaha 300hp DEC Outboard F300USB

What should buyers know about Yamaha 300hp DEC Outboard F300USB?

A 30" (XX-Long) shaft is one of the most important setup details on Yamaha 300hp DEC Outboard F300USB. 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.

What should buyers notice about the control system on this motor?

The control specification on this offshore outboard is one of its defining details: Digital Electronic Controls, Integrated Electric Power Steering, and a 30" (XX-Long) shaft are all part of the listed configuration. That tells buyers this engine is arranged for a more integrated helm setup than a portable tiller model.

Is this outboard set up for tiller use or helm control?

The control layout on this offshore outboard is clearly helm-oriented, with a 30" (XX-Long) shaft, Integrated Electric Power Steering, and Electric start and Digital Electronic Controls. That tells buyers this engine is arranged very differently from a small tiller outboard and suits a more integrated control setup.

What stands out about the powerhead on this motor?

The specification centers on a 4.2 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.

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