
250-400hp
Verado® – a smooth operator
The smooth, refined power of a 4.6-litre V-8 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 Verado V-8 outboards are wrapped in crisp, bold styling that makes an unmistakable statement on any transom.
Engine Information and Specifications
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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)
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
Compatible with SmartCraft digital technology - Yes
Starting - Electric Start with SmartStart Protection
Controls - Digital Throttle & Shift (DTS)
Steering - Electro-hydraulic power steering
- Joystick Piloting for Outboards
Shaft length - 20" / 508 mm
- 25" / 635 mm
- 30" / 762 mm
Gearcase ratio - 1.75:1
Dry weight *Lightest model available - 668 lbs / 303 kg
CARB star rating - 2
Bore and stroke - 3.23 in x 3.23 in / 82 mm x 82 mm
Ignition - SmartCraft Digital Inductive
Cooling system - Water-cooled with thermostat & pressure-controlled
Gear shift - F-N-R
Gearcase options - 5.44"
Trim system - SmartCraft programmable trim and tilt
Exhaust system - Through prop
Counter Rotation - Available
Color - Cold Fusion White
- Pearl Fusion White
- Phantom Black
- Warm Fusion White
Lubrication system - Integrated wet sump
Oil Capacity - 8.5 Quarts / 8.0 Liters
Maximum Trim Range - 20° (-6° to 14°)
Maximum Tilt Range - 73° (-6° to 67°)
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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 (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 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
Compatible with SmartCraft digital technology - Yes
Starting - Smart Start Electric
Controls - SmartCraft Digital
Steering - Electro-hydraulic power steering
Shaft length - 20" / 508 mm
- 25" / 635 mm
- 30" / 762 mm
Gearcase ratio - 1.75:1
Dry weight *Lightest model available - 668 lbs / 303 kg
CARB star rating - 2
Gearcase options - 5.44"
Trim system - Power trim and tilt with SmartCraft programmable tilt
Counter Rotation - Available
Color - Cold Fusion White
- Pearl Fusion White
- Phantom Black
- Warm Fusion White
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Engine Details
Lighter than its competition yet built to withstand the rigours of saltwater operation. For go-fast boats and commercial offshore operations that operate in rough seas or need more speed. Great for deck, inflatable rigid hull, inshore fishing, multi-species fishing, offshore fishing and runabout cuddy boats and tritoons.Specifications - 300
HP / kW - 300 / 224
Engine type - V8
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
Recommended fuel - Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Recommended oil - NMMA Certified FCW SAE 10W-30
Engine protection operator warning system - SmartCraft Engine Guardian
Compatible with SmartCraft digital technology - Yes
Starting - Electric Start with SmartStart Protection
Controls - Digital Throttle & Shift (DTS)
Steering - Electro-hydraulic power steering
- Joystick Piloting for Outboards
Shaft length - 20" / 508 mm
- 25" / 635 mm
- 30" / 762 mm
Gearcase ratio - 1.75:1 or 1.85:1
Dry weight *Lightest model available - 600 lbs / 272 kgs
CARB star rating - 3
Bore and stroke - 3.6 in x 3.4 in / 92 mm x 86 mm
Ignition - SmartCraft PCM 112 Digital Inductive
Cooling system - Water-cooled with thermostat
Gear shift - F-N-R
Gearcase options - 5.44"
Trim system - Power trim and tilt
Exhaust system - Through prop
Counter Rotation - Available
Color - Cold Fusion White
- Pearl Fusion White
- Phantom Black
- Warm Fusion White
Lubrication system - Integrated wet sump
Oil Capacity - 7.0 Quarts / 6.6 Liters
Maximum Trim Range - 20° (-6° to 14°)
Maximum Tilt Range - 73° (-6° to 67°)
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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 propulsionSpecifications - 250
HP / kW - 250 / 186
Engine type - V8
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
Recommended fuel - Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Recommended oil - NMMA Certified FCW SAE 10W-30
Engine protection operator warning system - SmartCraft Engine Guardian
Compatible with SmartCraft digital technology - Yes
Starting - Electric Start with SmartStart Protection
Controls - Digital Throttle & Shift (DTS)
Steering - Electro-hydraulic power steering
- Joystick Piloting for Outboards
Shaft length - 20" / 508 mm
- 25" / 635 mm
- 30" / 762 mm
Gearcase ratio - 1.85:1
Dry weight *Lightest model available - 600 lbs / 272 kgs
CARB star rating - 3
Bore and stroke - 3.6 in x 3.4 in / 92 mm x 86 mm
Ignition - SmartCraft PCM 112 Digital Inductive
Cooling system - Water-cooled with thermostat
Gear shift - F-N-R
Gearcase options - 5.44"
Trim system - Power trim and tilt
Exhaust system - Through prop
Counter Rotation - Available
Color - Cold Fusion White
- Pearl Fusion White
- Phantom Black
- Warm Fusion White
Lubrication system - Integrated wet sump
Oil Capacity - 7.0 Quarts / 6.6 Liters
Maximum Trim Range - 20° (-6° to 14°)
Maximum Tilt Range - 73° (-6° to 67°)

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.

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.

Looking for performance data?
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
Whether you’re heading up a swell or into a tight turn, Adaptive Speed Control on V8 Verado outboards automatically maintains the set rpm even as load or conditions change. That means you make far fewer throttle adjustments.

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
Verado V8 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 V8 outboards are calibrated to deliver full performance on 87-octane fuel.

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

New V-8 Verado joins supercharged L6 Verado
The legendary L6 350hp and 400hp Verado, with supercharged torque that hits the instant you drop the digital throttle, unleash pure, refined marine muscle. Yet, 350 and 400 Verado set the standard for smooth, quiet boating.
The all-new 250 and 300hp Verado outboards provide sensational power from a rock-solid V-8 4.6-liter powerhead that delivers exhilarating acceleration and top speed. Class-leading displacement and robust design provide uncompromising durability and reliability.
Documents

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