Name: Mercury 300hp Outboard Motor 300L
Brand: Mercury
SKU: NM489361712
Price: 16101.00 USD
Availability: InStock

Description

Overview Mercury 300hp Outboard Motor 300L

The Mercury 300hp Outboard Motor 300L represents the peak of FourStroke V8 performance for boaters who want raw power with refined handling. Powered by a naturally aspirated 4.6L V8 , this engine delivers strong low-end torque, confident midrange acceleration, and smooth cruising performance—engineered for reliability across offshore and high-performance applications.

Features and Performance

4.6L V8 FourStroke Powerhead – Massive torque and rapid acceleration
Advanced Range Optimization – Closed-loop fuel control maximizes efficiency
Adaptive Speed Control – Maintains RPM through turns, chop, and heavy loads
Lightweight V8 Design – Best-in-class power-to-weight ratio
Electronic Fuel Injection (EFI) – Reliable starts and crisp throttle response
Smart Idle Charge System – Protects battery voltage when running electronics
High-Output 85-Amp Alternator – Supports modern marine electronics
Power Trim & Tilt – Improves shallow-water operation and performance tuning

Why You Should Buy it

Powerful 300hp V8 FourStroke performance
Smooth, quiet operation for long offshore runs
Excellent fuel efficiency for its horsepower class
Strong electrical output for electronics-heavy boats
Proven Mercury reliability and easy ownership
Backed by a Mercury Marine 3-Year Factory Warranty

This outboard is ideal for boaters who want maximum offshore power without stepping into Verado or Pro XS platforms .

Specifications

Specification	Details
Engine Type	V-8 Four-Stroke
Horsepower	300 HP
Model	300L
Fuel System	Electronic Fuel Injection (EFI)
Displacement	4.6 L
Cylinders	V-8
Shaft Length	20" (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	527 lbs
Maximum Trim Range	20° (-6° to 14°)
Maximum Tilt Range	73° (-6° to 67°)
Warranty	Mercury Marine 3-Year Warranty

What’s Included

Mercury 300hp Outboard Motor 300L
Power Trim & Tilt
Mounting hardware
Service tool kit & parts
Owner’s manual

FAQ

Frequently Asked Questions About Mercury 300hp Outboard Motor 300L

What kind of boating is the Mercury 300hp Outboard Motor 300L built for?

The Mercury 300hp Outboard Motor 300L is intended for offshore and performance boats with a 20-inch transom. The row highlights 300 hp, V-8 Four-Stroke, remote mechanical, and a 20" (Long) shaft for a clearly defined operating setup.

How is this motor configured for performance and efficiency?

This outboard is listed with 300 HP, and V-8 Four-Stroke. The specification row adds 4.6 L of displacement and electronic fuel injection (efi) fuel delivery, which helps buyers compare how this motor is set up for smooth, straightforward operation.

What should buyers know about shaft length, steering, and starting?

This model is listed with a 20" (Long) shaft, Remote Mechanical steering, and Smart Start Electric starting. Those details matter because alternator output is listed at 85 Amp / 1,071 Watt (Idle Charge), helping buyers judge transom fit, helm style, and everyday operating convenience.

What practical buying details stand out on this model?

This outboard is aimed at boat setups that match its listed control and shaft arrangement. The row points to offshore and performance boats with a 20-inch transom and highlights Verado rigging emphasis, and a 20" (Long) shaft, helping buyers narrow it to the right helm and transom layout.

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