2023 Mercury Marine FourStroke 50 EFI – Quiet, Efficient, and Dependable Power

The 2023 Mercury Marine FourStroke 50 EFI outboard motor delivers the perfect combination of lightweight design, reliable performance, and advanced fuel efficiency. Designed for small to mid-size boats, this 50 HP four-stroke is known for its whisper-quiet operation, smooth handling, and low maintenance requirements. Whether you’re powering a fishing boat, pontoon, or runabout, the FourStroke 50 EFI gives you the confidence to explore farther with less fuel and more control.

Key Features of the 2023 Mercury FourStroke 50 EFI

Powerful & Fuel-Efficient Performance

• 50 horsepower, inline 4-cylinder 4-stroke engine.

• Electronic Fuel Injection (EFI) ensures instant starts, crisp throttle response, and improved fuel economy.

• Advanced intake and exhaust design maximizes power and torque across the RPM range.

• Class-leading fuel efficiency helps you save on long days on the water.

Smooth & Quiet Operation

• Through-prop exhaust system minimizes noise and vibration.

• Precision-balanced engine mount system delivers smooth performance at all speeds.

• Mercury’s SmartCraft® digital technologies (optional) provide detailed engine data and monitoring.

Durable & Easy to Maintain

• Lightweight and compact design for versatile boat compatibility.

• Low-maintenance EFI system reduces service requirements.

• Mercury’s industry-leading corrosion protection ensures reliability in saltwater and freshwater.

• Freshwater flush system makes after-use maintenance quick and simple.

Technical Specifications (2023 Mercury 50 EFI)

• Horsepower: 50 HP

• Engine Type: Inline 4-cylinder, SOHC, 4-stroke

• Displacement: 995cc

• Fuel Delivery: Electronic Fuel Injection (EFI)

• Starting System: Electric start

• Gear Ratio: 2.33:1

• Alternator Output: 18 amps (226 watts)

• Weight: Approx. 247 lbs (varies by shaft length and model)

• Shaft Length Options: 20” (L), 25” (XL)

Best Applications for the Mercury FourStroke 50 EFI

This 50 HP EFI outboard is versatile and ideal for powering a range of boats, including:

• Fishing boats – reliable, quiet power for freshwater and saltwater angling.

• Pontoons & deck boats – smooth and efficient cruising for families.

• Aluminum boats & runabouts – lightweight design makes it a perfect fit.

• Inflatables & small craft – balances efficiency with dependable performance.

Why Choose the 2023 Mercury FourStroke 50 EFI?

• Fuel-efficient EFI technology saves money on every trip.

• Lightweight and quiet operation for comfort and versatility.

• Durable design with corrosion resistance for long-lasting reliability.

• Trusted Mercury Marine engineering backed by global dealer support.

Final Thoughts

The 2023 Mercury Marine FourStroke 50 EFI outboard motor is a smart choice for boaters who want a balanced combination of power, efficiency, and quiet performance. Whether you’re fishing, cruising, or exploring, this motor provides the confidence, fuel economy, and reliability you expect from Mercury.

If you’re looking for a dependable 50 HP outboard with modern EFI technology, the Mercury FourStroke 50 EFI is a proven performer built for smooth adventures on the water. Buy now