Mercury 250hp Outboard Motor 250XXL
$15,265.00
The Mercury 250hp Outboard Motor 250XXL features a lightweight yet powerful 4.6L V8 FourStroke with a 30-inch extra-extra-long shaft, delivering smooth acceleration, confident offshore performance, and advanced fuel efficiency.
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Overview Mercury 250hp Outboard Motor 250XXL
The Mercury 250hp Outboard Motor 250XXL is engineered for boats that require a 30-inch extra-extra-long shaft , combining refined V8 power with Mercury’s advanced FourStroke efficiency. Built on a proven 4.6L V8 platform, this outboard delivers strong torque, smooth operation, and dependable performance for offshore and specialty deep-transom applications.
Features and Performance
- 4.6L V8 FourStroke Powerhead – Delivers strong low-end torque and smooth midrange power
- 30-Inch XX-Long Shaft – Designed for extra-deep transoms and offshore hulls
- Advanced Range Optimization – Closed-loop fuel control maximizes efficiency at cruising speeds
- Adaptive Speed Control – Maintains consistent RPM regardless of load or water conditions
- Lightweight V8 Design – Optimized power-to-weight ratio for improved handling
- Electronic Fuel Injection (EFI) – Reliable starts and precise throttle response
- Smart Idle Charge System – Automatically boosts alternator output to protect battery voltage
- High-Output 85-Amp Alternator – Supports electronics-heavy marine setups
- Power Trim & Tilt – Enhances docking control, shallow-water operation, and performance tuning
Why You Should Buy it
- Purpose-built for 30-inch extra-deep transom boats
- Powerful yet refined V8 FourStroke performance
- Smooth, quiet operation for long offshore runs
- Excellent efficiency for its horsepower class
- Strong electrical output for modern marine electronics
- Backed by a Mercury Marine 3-Year Factory Warranty
This outboard is ideal for boaters who demand maximum shaft length, confident offshore power, and long-term reliability .
| Specification | Details |
|---|---|
| Engine Type | V-8 Four-Stroke |
| Horsepower | 250 HP |
| Model | 250XXL |
| Fuel System | Electronic Fuel Injection (EFI) |
| Displacement | 4.6 L |
| Cylinders | V-8 |
| Shaft Length | 30" (XX-Long) |
| Steering | Remote Mechanical |
| Starting System | Smart Start Electric |
| Full Throttle Range | 5200 – 6000 RPM |
| Alternator Output | 85 Amp / 1,071 Watt (Idle Charge) |
| Weight | 548 lbs |
| Maximum Trim Range | 20° (-6° to 14°) |
| Maximum Tilt Range | 73° (-6° to 67°) |
| Warranty | Mercury Marine 3-Year Warranty |
- Mercury 250hp Outboard Motor 250XXL
- Power Trim & Tilt
- Stop switch lanyard
- Service tool kit & parts
- Owner’s manual



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