350-400 (L6)

A Smooth Operator

The smooth, refined power of a V-8 4.6-liter powerhead delivers exhilarating acceleration and top speed to run offshore with confidence, while its generous displacement and robust design provide uncompromising durability and reliability. The Mercury-exclusive Advanced MidSection (AMS) and under-cowl noise management set the standard for smooth, quiet marine propulsion. These exciting new V-8 Verado outboards are wrapped in crisp, bold styling that makes an unmistakable statement on any transom.

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Engine Information and Specifications

Select Horsepower

400R 400 350
Compare Outboard Motors
  • 400R

    Engine Details

    Setting a new standard in performance. The supercharged Verado 400R has enough power to quicken your pulse with an adrenaline rush. High-end finishes and top-of-the-line engineering allow you to experience rocket-like power like never before. Perfect for bass, deck, rigid hull inflatable, multi-species fish, offshore fishing, race and runabout boats, and pontoons, tritoons and catamarans.

    Specifications - 400R

    HP / kW
    • 400/294
    Engine type
    • Inline 6
    Displacement (CID/CC)
    • 158.5 / 2600
    Displacement (L)
    • 2.6
    Cylinder Configuration
    • Inline 6 with Dual Overhead Cam [DOHC] and 24-valves
    Full throttle RPM
    • 6400-7000
    Air induction
    • Supercharged with charge air cooling and electronic boost pressure control
    Fuel induction system
    • Sequential multi-port electronic fuel injection (EFI)
    Alternator amp / Watt
    • 70 amp / 882 watt (Belt-Driven)
    Recommended fuel
    • Unleaded 95RON minimum
    See All Specs
    Find a Dealer Today
  • 400

    Engine Details

    The inherently balanced in-line six-cylinder engine and our Advanced Mid Section (AMS) with perimeter mounts virtually eliminate vibration in the boat. Perfect for sneaking up on fish or cruising on luxury pontoons.

    Specifications - 400

    HP / kW
    • 400 / 298
    Engine type
    • Inline 6
    MidSection
    • Advanced MidSection (AMS)
    Displacement (CID/CC)
    • 158.5 CID
    Displacement (L)
    • 2.6L
    Cylinder Configuration
    • Inline 6 with Dual Overhead Cam [DOHC] and 24-valves
    Full throttle RPM
    • 6200-6800
    Air induction
    • Supercharged with charge air cooling and electronic boost pressure control
    Fuel induction system
    • Sequential multi-port electronic fuel injection (EFI)
    Alternator amp / Watt
    • 70 amp / 882 watt (Belt-Driven)
    See All Specs
    Find a Dealer Today
  • 350

    Engine Details

    Weighing in at an impressive 95 pounds lighter than its competition, the inline six-cylinder Verado 350 virtually eliminates vibration in the boat. Great for offshore fishing, bass, deck, and pilot house boats and pontoons.

    Specifications - 350

    HP / kW
    • 350 / 257
    Engine type
    • Inline 6
    Displacement (CID/CC)
    • 158.5 CID
    Displacement (L)
    • 2.6
    Cylinder Configuration
    • Inline 6 with Dual Overhead Cam [DOHC] and 24-valves
    Full throttle RPM
    • 5800-6400
    Air induction
    • Supercharged with charge air cooling and electronic boost pressure control
    Fuel induction system
    • Sequential multi-port electronic fuel injection (EFI)
    Alternator amp / Watt
    • 70 amp / 882 watt (Belt-Driven)
    Recommended fuel
    • Unleaded 95 RON for premium performance (91 RON Minimum)
    See All Specs
    Find a Dealer Today

TIME FOR A NEW OUTBOARD MOTOR?

Is your current boat ready for some new power? Don’t wait until your engine is worn out and not working. Today’s marine engines are more reliable than ever. With many outboard options on the market, selecting the best outboard for your boat can be daunting.

Learn about New Outboard Motors
Joystick Piloting for Outboards

Joystick Piloting for Outboards

Full 360-degree control. Right at your fingertips. Joystick Piloting for Outboards allows you to move sideways, diagonally or spin the boat on its own axis. Dock in close quarters without being concerned about wind or current. Easily load the boat on a trailer – using only your fingertips. See How Easy It Can Be

All-new 400hp Verado outboard engine

All-new 400hp Verado outboard engine

Mercury Marine has announced the launch of the 400hp Verado outboard engine, the company’s highest horsepower Verado branded outboard engine in its portfolio. Since the launch of the 350hp Verado and the Mercury Racing 400R four years ago, consumers have been requesting a higher horsepower Verado engine, and today, boaters around the world will have the opportunity to repower thanks to this extension of Mercury’s L6SC Verado platform.

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