Yamaha 250hp DEC Outboard F250USB
$19,977.00
The Yamaha 250hp DEC Outboard F250USB is a premium 4.2L V6 four-stroke with Digital Electronic Controls and integrated electric power steering. Built with a 30-inch shaft for offshore and heavy transom boats, it delivers powerful, smooth, and confident performance.
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Overview Yamaha 250hp DEC Outboard F250USB
The Yamaha 250hp DEC Outboard F250USB is engineered for offshore boats that demand high power, precise digital control, and a longer 30-inch shaft configuration. Built on Yamaha’s legendary 4.2-liter V6 platform, this outboard combines exceptional torque, refined handling, and proven long-term reliability.
Equipped with Digital Electronic Controls and integrated electric power steering, the F250USB offers effortless maneuvering, smooth throttle response, and a clean transom setup—ideal for large center consoles, offshore fishing boats, and heavy-duty applications.
Features and Performance
- 4.2L V6 Four-Stroke Engine – Strong offshore torque and smooth power delivery
- Digital Electronic Controls (DEC) – Precise throttle and shift operation
- Integrated Electric Power Steering – Reduced steering effort and enhanced control
- Electronic Fuel Injection (EFI) – Efficient fuel delivery and reliable cold starts
- 30″ XX-Long Shaft – Designed for offshore boats with higher transoms
- Saltwater Series II™ HP Propeller Compatibility – Improved top-end performance in lighter applications
- Shift Dampener System (SDS®) – Quieter, smoother gear engagement
- TotalTilt™ System – Full trim up or down with a quick double-tap
- Thrust Enhancing Reverse Exhaust – Superior reverse control around docks and fish
- High-Output Alternator (50–70 Amp) – Powers advanced electronics and onboard systems
Why You Should Buy it
The Yamaha F250USB is the ideal solution for offshore boaters who require a 30-inch shaft, digital precision, and powerful V6 performance. Its integrated electric steering, massive electrical output, and legendary Yamaha durability make it perfect for demanding offshore conditions and modern high-tech boats.
| Specification | Details |
|---|---|
| Engine Type | Yamaha F250USB DEC Four Stroke |
| Horsepower | 250 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 |
- Yamaha 250hp DEC Outboard F250USB
- Power Trim & Tilt
- Owner’s Manual
Frequently Asked Questions About Yamaha 250hp DEC Outboard F250USB
What stands out about the powerhead on Yamaha 250hp DEC Outboard F250USB?
The specification for Yamaha 250hp DEC Outboard F250USB 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.
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 and heavy transom boats. 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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