175-300hp

FourStroke – Excellence without compromise

Elevate your experience on the water with Mercury FourStroke outboards. Designed to deliver unsurpassed power and performance in an efficient, reliable package that’s built to please, the new FourStroke V8 and V6 outboards are the smallest and lightest in their class. They’re engineered to go the distance on a wide variety of boats, and to make every adventure all it should be.

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Engine Information and Specifications

Select Horsepower

300 250 225 200 175
Compare Outboard Motors
  • 300

    Engine Details

    These robust motors deliver Mercury’s best-ever FourStroke hole shot, top speed and fuel efficiency. Great for aluminum fishing, deck, inflatable rigid hull, inshore fishing, offshore fishing and runabouts and tritoons.

    Specifications - 300

    HP / kW
    • 300 / 224
    Engine type
    • V8
    MidSection
    • Conventional MidSection
    Displacement (CID/CC)
    • 279 CID
    Displacement (L)
    • 4.6L
    Cylinder Configuration
    • V-8 [64 degree] with Dual Overhead Cam [DOHC] and 32-valves
    Full throttle RPM
    • 5200-6000
    Air induction
    • Performance-Tuned Long-Runner Intake Manifold
    Fuel induction system
    • Electronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization
    Alternator amp / Watt
    • 85-amp (1071 Watt) with Idle Charge
    See All Specs
    Find a Dealer Today
  • 250

    Engine Details

    Quick-revving double-overhead camshaft design and deep-breathing intake deliver thrilling and satisfying performance. Great for aluminum console, deck, inflatable rigid hull, inshore fishing, offshore fishing, and runabout boats and tritoons.

    Specifications - 250

    HP / kW
    • 250 / 186
    Engine type
    • V8
    MidSection
    • Conventional MidSection
    Displacement (CID/CC)
    • 279 CID
    Displacement (L)
    • 4.6L
    Cylinder Configuration
    • V-8 [64 degree] with Dual Overhead Cam [DOHC] and 32-valves
    Full throttle RPM
    • 5200-6000
    Air induction
    • Performance-Tuned Long-Runner Intake Manifold
    Fuel induction system
    • Electronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization
    Alternator amp / Watt
    • 85-amp (1071 Watt) with Idle Charge
    See All Specs
    Find a Dealer Today
  • 225

    Engine Details

    The undisputed pound-for-pound champ – the lightest in its class by nearly 60 pounds! Great for aluminum console, deck, fish & ski, inflatable rigid hull, inshore fishing, multi-species fishing, and runabout boats and tritoons.

    Specifications - 225

    HP / kW
    • 225 / 168
    Engine type
    • V6
    MidSection
    • Conventional MidSection
    Displacement (CID/CC)
    • 209 CID
    Displacement (L)
    • 3.4L
    Cylinder Configuration
    • V-6 [64 degree] with Dual Overhead Cam [DOHC] and 24-valves
    Full throttle RPM
    • 5200-6000
    Air induction
    • Performance-Tuned Long-Runner Intake Manifold
    Fuel induction system
    • Electronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization
    Alternator amp / Watt
    • 85-amp (1071 Watt) with Idle Charge
    See All Specs
    Find a Dealer Today
  • 200

    Engine Details

    Up to 30% quieter with 50% less vibration than the competition for Verado-like smoothness. Great for aluminum console, deck, fish & ski, inflatable rigid hull, inshore fishing, multi-species fishing, and runabout boats, and tritoons.

    Specifications - 200

    HP / kW
    • 200 / 149
    Engine type
    • V6
    MidSection
    • Conventional MidSection
    Displacement (CID/CC)
    • 209 CID
    Displacement (L)
    • 3.4L
    Cylinder Configuration
    • V-6 [64 degree] with Dual Overhead Cam [DOHC] and 24-valves
    Full throttle RPM
    • 5000-5800
    Air induction
    • Performance-Tuned Long-Runner Intake Manifold
    Fuel induction system
    • Electronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization
    Alternator amp / Watt
    • 85-amp (1071 Watt) with Idle Charge
    See All Specs
    Find a Dealer Today
  • 175

    Engine Details

    Available with mechanical or digital controls, providing more options in new-boat and repower applications. Great for aluminum console, deck, fish & ski, inflatable rigid hull, inshore fishing, and runabout bow boats and pontoons.

    Specifications - 175

    HP / kW
    • 175 / 130
    Engine type
    • V6
    MidSection
    • Conventional MidSection
    Displacement (CID/CC)
    • 209 CID
    Displacement (L)
    • 3.4L
    Cylinder Configuration
    • V-6 [64 degree] with Dual Overhead Cam [DOHC] and 24-valves
    Full throttle RPM
    • 5000-5800
    Air induction
    • Performance-Tuned Long-Runner Intake Manifold
    Fuel induction system
    • Electronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization
    Alternator amp / Watt
    • 85-amp (1071 Watt) with Idle Charge
    See All Specs
    Find a Dealer Today

TIME FOR A NEW OUTBOARD MOTOR?

Is your boat ready for new power? Don’t wait until your engine is no longer working. With many outboard options on the market, identifying the best engine for your current boat can be daunting. Your authorized Mercury dealer can assess your current boat, discuss typical use and loads, determine which rigging and accessories you will need, and more.

Available with Joystick Piloting

Available with Joystick Piloting

Joystick piloting is available on V6 3.4L 200hp and 225hp FourStroke outboards with Digital Throttle & Shift (DTS). In addition to easy joystick docking and maneuvering, the system allows you to hold a boat in position, hold its heading, or even hold its position and heading simultaneously.

Looking for performance data?

Looking for performance data?

Serious boaters know and appreciate the outboard features and benefits that will best suit their boating lifestyle. Click HERE to access information on performance, fuel economy, reliability and more regarding the new Mercury FourStroke motors.

Adaptive Speed Control

Adaptive Speed Control

Adaptive Speed Control allows boaters to maintain engine speed (rpm) regardless of load or condition changes – such as rough water, tight turns, tow sport activities and lower speeds on plane – without having to frequently adjust throttle position.

Award-Winning Design

Award-Winning Design

Mercury Marine earned the 2018 Most Innovative Product award for its all-new V8 FourStroke outboard family. The award was presented during the Hutchwilco New Zealand Boat Show, the biggest and most popular boat show in New Zealand the past 60 years.

Discover better boating

Discover better boating

Active Trim by Mercury makes boating easier and more enjoyable by automatically trimming your engine. Active Trim simplifies boat operation while improving engine performance and decreasing fuel costs.

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Take a deeper dive into what makes Mercury outboards stand apart with detailed information on each motor and the features that make them unique.

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