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Engine Information and Specifications

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Compare Outboard Motors
  •  350

    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 - 350

    HP / kW
    • 350 / 257
    Engine type
    • Inline 6
    Displacement (L)
    • 2.6
    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 Regular 89 Octane Minimum (R+M)/2 or 93 RON Unleaded 91 Octane or 95 RON for premium performance in all conditions 10% Ethanol Maximum
    Recommended oil
    • Mercury FourStroke 25W40 Marine Oil
    Engine protection operator warning system
    • SmartCraft Engine Guardian
  •  300

    Engine Details

    The smooth, refined power of a 4.6-liter V-8 powerhead delivers exhilarating acceleration and top speed to run offshore with confidence, with generous displacement and robust design that provide uncompromising durability and reliability. The Mercury exclusive Advanced MidSection (AMS) and under-cowl noise management features set the standard for smooth, quiet marine propulsion

    Specifications - 300

    HP / kW
    • 300 / 224
    Engine type
    • V-8
    MidSection
    • Advanced MidSection (AMS)
    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
    • 115-amp (1449 Watt) with Idle Charge
  •  250

    Engine Details

    The smooth, refined power of a 4.6-liter V-8 powerhead delivers exhilarating acceleration and top speed to run offshore with confidence, with generous displacement and robust design that provide uncompromising durability and reliability. The Mercury exclusive Advanced MidSection (AMS) and under-cowl noise management features set the standard for smooth, quiet marine propulsion

    Specifications - 250

    HP / kW
    • 250 / 186
    Engine type
    • V-8
    MidSection
    • Advanced MidSection (AMS)
    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
    • 115-amp (1449 Watt) with Idle Charge
Want more details?

Want more details?

If you’re looking at Verado outboards, you expect your engines to provide the finest, most enjoyable boating experience possible. Click HERE to access information on comfort, control, reliability, quiet operation, awesome performance and more from the new Verado motors.

Adaptive Speed Control

Adaptive Speed Control

Whether you’re heading up a swell or into a tight turn, Adaptive Speed Control on V-8 Verado outboards automatically maintains the set rpm even as load or conditions change. That means you make far fewer throttle adjustments.

Making Boating Easier

Making Boating Easier

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

Save Fuel

Save Fuel

Verado V-8 outboards deliver superior fuel economy at cruising speed and wide-open throttle. Advanced Range Optimization (ARO) calibration precisely adjusts the fuel mixture and delivers the best possible efficiency at any speed. Verado V-8 outboards are calibrated to deliver full performance on 87-octane fuel.

Joystick Piloting for Outboards

Joystick Piloting for Outboards

Experience 360-degree control 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. Easily load the boat on a trailer with a single hand on the joystick. And Skyhook digital anchor will keep you locked in a specific location and heading despite wind and current conditions.

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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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