Description

Mercury 300HP Outboard 300CXL for Sale

Mercury 300HP Outboard | Remote Mechanical, Electric Start, 25″ Shaft, Counter Rotation | 300CXL

The Mercury 300HP Outboard 300CXL is engineered for boaters who demand maximum performance, exceptional reliability, and outstanding fuel efficiency. Built around Mercury’s proven 4.6L V8 FourStroke platform, this high-output outboard delivers powerful acceleration, impressive torque, and dependable offshore performance across a wide range of boating applications.

Featuring a 25-inch X-Long shaft, remote mechanical steering, Smart Start electric ignition, and factory counter-rotation capability, the Mercury 300CXL is an ideal choice for twin-engine offshore boats, center consoles, and larger recreational vessels requiring precise multi-engine handling.

Key Features

• Mercury 300HP V8 FourStroke Engine
• Counter Rotation Configuration
• 25-Inch X-Long Shaft
• Remote Mechanical Steering
• Smart Start Electric Starting
• Advanced Range Optimization
• Adaptive Speed Control
• Electronic Fuel Injection (EFI)
• 4.6L V8 Powerhead
• 85-Amp Alternator
• Power Trim & Tilt
• Mercury Marine 3-Year Warranty

Powerful 4.6L V8 Performance

At the heart of the Mercury 300CXL is Mercury’s advanced 4.6-liter V8 FourStroke engine, delivering exceptional horsepower and torque while maintaining excellent fuel economy.

Performance advantages include:

• Fast hole-shot acceleration
• Strong mid-range power
• Excellent top-end performance
• Outstanding offshore reliability
• Smooth throttle response
• Proven durability

The naturally aspirated V8 design provides dependable performance without the added complexity of forced induction systems.

Counter Rotation for Twin-Engine Applications

The Mercury 300CXL is designed specifically for counter-rotation installations.

Benefits include:

• Improved boat tracking
• Better steering balance
• Enhanced handling
• Reduced steering torque
• Improved docking control
• Increased overall stability

Counter-rotating engines are commonly used in twin-engine offshore setups where balanced propulsion is essential.

Advanced Range Optimization

Mercury’s Advanced Range Optimization technology continuously adjusts fuel delivery to maximize efficiency.

Benefits include:

• Lower fuel consumption
• Extended cruising range
• Improved offshore capability
• Reduced operating costs
• Enhanced overall efficiency

The system automatically adjusts fuel mixture throughout the operating range to ensure optimal performance and economy.

Adaptive Speed Control

Adaptive Speed Control automatically maintains engine RPM regardless of changing conditions.

Advantages include:

• Consistent engine performance
• Reduced throttle adjustments
• Improved rough-water handling
• Better towing performance
• Increased operator comfort

Whether navigating rough seas or carrying additional load, the engine maintains steady operation.

Lightweight V8 Design

Mercury engineers focused on reducing weight while maximizing durability and strength.

Engine Weight

• 538 lbs

Benefits include:

• Better acceleration
• Improved fuel economy
• Enhanced handling
• Reduced transom stress
• Increased overall performance

The lightweight design helps maximize boat efficiency while maintaining exceptional durability.

Smart Charging System

The Idle Charge battery-management system helps keep onboard electronics powered while protecting battery life.

Charging Capacity

• 85-Amp Alternator
• 1,071-Watt Output

Ideal for supporting:

• GPS systems
• Fish finders
• Multifunction displays
• Radar systems
• Marine audio systems
• Live sonar technology

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

Electronic Fuel Injection (EFI)

Mercury’s Electronic Fuel Injection system delivers precise fuel control under all operating conditions.

Benefits include:

• Fast starts
• Smooth idle operation
• Reliable performance
• Improved fuel economy
• Reduced emissions
• Instant throttle response

The EFI system works seamlessly with Mercury’s 32-valve DOHC architecture to maximize efficiency and power.

Ideal Applications

The Mercury 300HP 300CXL is ideal for:

• Offshore center consoles
• Twin-engine fishing boats
• Tournament fishing vessels
• Offshore cruising boats
• Recreational powerboats
• Coastal commercial vessels

Its counter-rotation configuration makes it especially valuable for twin-engine applications.

Technical Specifications

Engine Specifications

• Model: Mercury 300CXL
• Engine Type: V8 FourStroke
• Horsepower: 300HP
• 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: 25″ X-Long
• Steering: Remote Mechanical
• Starting System: Smart Start Electric
• Weight: 538 lbs
• Alternator: 85 Amp / 1,071 Watts

Trim & Tilt

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

Standard Equipment

• Counter Rotation Configuration
• Power Trim & Tilt
• Service Tool Kit & Parts
• Mounting Hardware
• Owner’s Manual

Additional Information

• Propeller Sold Separately

Warranty Coverage

The Mercury 300HP Outboard 300CXL is backed by Mercury Marine’s 3-Year Limited Factory Warranty, ensuring dependable coverage and confidence on every trip.

Frequently Asked Questions

What is counter rotation on an outboard engine?

Counter rotation means the propeller rotates opposite to a standard rotation engine. This is commonly used in twin-engine installations to improve balance and handling.

What shaft length does the Mercury 300CXL use?

This model features a 25-inch X-Long shaft.

Is this engine suitable for twin-engine boats?

Yes. The counter-rotation design makes it ideal for twin-engine offshore applications.

How much horsepower does the Mercury 300CXL produce?

The engine delivers 300 horsepower.

How much does the engine weigh?

The Mercury 300CXL weighs approximately 538 pounds.

Is power trim and tilt included?

Yes. Power Trim & Tilt comes standard.

Order the Mercury 300HP Outboard Today

The Mercury 300HP Outboard | Remote Mechanical, Electric Start, 25″ Shaft, Counter Rotation | 300CXL delivers premium V8 performance, advanced fuel-saving technology, dependable offshore reliability, and the balanced handling benefits of counter rotation. Whether you’re upgrading a twin-engine fishing boat or outfitting a new offshore vessel, the Mercury 300CXL offers the power, durability, and efficiency serious boaters demand.