Mercury 250HP Counter Rotation Outboard 250CXXL for Sale

Mercury 250HP Outboard | Remote Mechanical, Electric Start, 30″ Shaft, Counter Rotation | 250CXXL

The Mercury 250HP Counter Rotation Outboard 250CXXL is a premium offshore-ready V8 FourStroke engine designed for boaters who require maximum power, exceptional reliability, and superior vessel control in multi-engine applications. Built on Mercury’s proven 4.6-liter V8 platform, the 250CXXL delivers outstanding torque, impressive fuel efficiency, and the handling advantages of a counter-rotating lower unit.

Featuring a 30-inch extra-extra-long shaft configuration, the Mercury 250CXXL is specifically engineered for larger offshore fishing boats, catamarans, center consoles, and deep-V vessels that demand optimal propeller immersion and enhanced rough-water performance.

For boat owners searching for a Mercury 250HP Counter Rotation Outboard for sale, the Mercury 250CXXL offers the perfect combination of offshore capability, advanced engineering, and long-term dependability.

Key Features

• 250HP Mercury V8 FourStroke Engine
• Counter Rotation Lower Unit
• 4.6L Naturally Aspirated V8 Powerhead
• 30-Inch XX-Long Shaft
• Advanced Range Optimization
• Adaptive Speed Control
• Smart Charging Technology
• Smart Start Electric Starting
• Remote Mechanical Steering
• Power Trim & Tilt
• Mercury Marine 3-Year Warranty

Built for Multi-Engine Offshore Applications

The Mercury 250CXXL is designed for twin-engine and multi-engine boat configurations where counter rotation improves handling and balance.

Benefits include:

• Reduced steering torque
• Improved tracking stability
• Better docking control
• Enhanced low-speed maneuverability
• Improved offshore handling
• Greater overall vessel balance

Counter-rotating engines are highly recommended for larger offshore boats where precise handling and performance are critical.

Powerful 4.6L V8 FourStroke Performance

At the heart of the Mercury 250CXXL is Mercury’s advanced 4.6-liter naturally aspirated V8 engine.

Performance advantages include:

• Massive low-end torque
• Fast hole-shot acceleration
• Strong mid-range power
• Excellent top-end performance
• Reliable offshore capability
• Outstanding fuel economy

The large-displacement V8 powerhead delivers impressive performance while maintaining smooth operation and long-term durability.

Advanced Range Optimization

Mercury’s Advanced Range Optimization system continuously adjusts fuel delivery for maximum efficiency.

Benefits include:

• Extended cruising range
• Improved fuel economy
• Reduced operating costs
• Enhanced offshore endurance
• Optimized engine performance

This advanced technology helps boaters travel farther with fewer fuel stops.

Adaptive Speed Control

Adaptive Speed Control automatically maintains engine RPM even when conditions change.

Advantages include:

• Consistent cruising speeds
• Better rough-water operation
• Improved trolling performance
• Reduced throttle adjustments
• Smoother boating experience

Whether navigating offshore swells or cruising long distances, the system helps maintain optimal performance.

Smart Charging Technology

The Mercury 250CXXL features Mercury’s Idle Charge battery-management system.

Charging Specifications

• 85-Amp Alternator
• 1,071-Watt Output
• Automatic Idle Charge Function

The charging system easily supports:

• GPS systems
• Radar equipment
• Fish finders
• Chartplotters
• Live sonar systems
• Marine stereos
• Auxiliary battery banks

When battery voltage drops, the engine automatically increases idle RPM to improve charging performance.

30-Inch XX-Long Shaft Advantages

The 30-inch XX-long shaft is specifically designed for larger offshore vessels.

Benefits include:

• Improved propeller immersion
• Better rough-water control
• Reduced propeller ventilation
• Enhanced offshore handling
• Increased transom compatibility
• Superior heavy-sea performance

The XXL shaft configuration is especially popular on catamarans and large offshore center consoles.

Lightweight V8 Engineering

Mercury engineers designed the 250CXXL to deliver class-leading performance without unnecessary weight.

Advantages include:

• Improved acceleration
• Better fuel efficiency
• Reduced transom stress
• Enhanced vessel balance
• Greater overall performance

At only 548 pounds, the Mercury 250CXXL remains one of the lightest engines in its horsepower class.

Offshore Reliability

Built to perform in demanding marine environments, the Mercury 250CXXL features:

• Corrosion-resistant components
• Heavy-duty marine construction
• Advanced EFI technology
• Proven V8 architecture
• Long-term durability

This engine is trusted by offshore anglers, charter operators, and recreational boaters worldwide.

Smooth and Quiet Operation

Mercury’s V8 FourStroke platform provides a refined boating experience.

Owners enjoy:

• Reduced vibration
• Quiet cruising
• Smooth throttle response
• Comfortable operation
• Lower operator fatigue

The result is greater comfort during long days on the water.

Ideal Boat Applications

The Mercury 250CXXL Counter Rotation Outboard is ideal for:

• Offshore Fishing Boats
• Twin-Engine Center Consoles
• Catamarans
• Deep-V Offshore Boats
• Sportfishing Boats
• Coastal Cruisers
• Multi-Engine Recreational Vessels
• Commercial Marine Applications

Its counter-rotation design and XXL shaft make it especially valuable for larger offshore vessels.

Technical Specifications

Engine Specifications

• Model: Mercury 250CXXL Counter Rotation
• Engine Type: V8 FourStroke
• Horsepower: 250HP
• Cylinders: V8
• Displacement: 4.6 Liters
• Fuel System: Electronic Fuel Injection (EFI)
• Fuel Induction System: 32-Valve DOHC
• Full Throttle Range: 5200–6000 RPM
• Shaft Length: 30″ XX-Long
• Steering: Remote Mechanical
• Starting System: Smart Start Electric
• Weight: 548 lbs
• Alternator: 85 Amp / 1,071 Watts with Idle Charge

Trim & Tilt

• Maximum Trim Range: 20° (-6° to 14°)
• Maximum Tilt Range: 73° (-6° to 67°)

Standard Features

• Counter Rotation Lower Unit
• Advanced Range Optimization
• Adaptive Speed Control
• Smart Charging Technology
• Power Trim & Tilt
• Service Tool Kit & Parts
• Stop Switch Lanyard
• Owner’s Manual

Additional Information

• Propeller Sold Separately

Warranty Coverage

The Mercury 250CXXL Counter Rotation Outboard is backed by Mercury Marine’s 3-Year Limited Factory Warranty for dependable protection and long-term peace of mind.

Frequently Asked Questions

What is a counter rotation outboard?

A counter rotation outboard uses a propeller that spins opposite to a standard rotation engine. It is commonly used in twin or multi-engine installations to improve handling and balance.

Is the Mercury 250CXXL suitable for offshore boats?

Yes. Its powerful V8 engine, 30-inch shaft, and counter-rotation design make it ideal for offshore applications.

Why choose a 30-inch shaft?

A 30-inch shaft provides better propeller immersion, improved offshore performance, and greater control in rough water conditions.

Is the Mercury 250CXXL fuel efficient?

Absolutely. Advanced Range Optimization and EFI technology help maximize fuel economy while delivering strong performance.

Does the Mercury 250CXXL include Power Trim & Tilt?

Yes. Power Trim & Tilt is included as standard equipment.

What warranty is included?

The engine includes Mercury Marine’s 3-Year Limited Factory Warranty.

Order the Mercury 250HP Counter Rotation Outboard Today

The Mercury 250HP Outboard | Remote Mechanical, Electric Start, 30″ Shaft, Counter Rotation | 250CXXL combines powerful V8 FourStroke performance, advanced fuel-saving technologies, offshore-ready durability, and the handling advantages of counter rotation. Whether you’re outfitting a twin-engine offshore fishing boat or upgrading a large recreational vessel, the Mercury 250CXXL delivers the power, efficiency, and confidence serious boaters demand.