Verado - 300-400hp
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.
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
Professional-grade performance. Refined driving experience. The high-performance Pro FourStroke. The ultimate combination of power and manners. Great for offshore fishing, bass, deck, pilot house boats, pontoons and tritoons.Specifications - 350 Pro FourStroke
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 87 Octane Minimum (R+M)/2 or 91 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
Gearcase ratio - 1.75:1
Dry weight *Lightest model available - 635
CARB star rating - 2
Gearcase options - 4.8"
Color - Phantom Black
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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 - 91 Octane for premium performance in all applications (89 Octane compatible)
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
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.
Boating Made Easy
Docking and driving a boat is easier and more enjoyable than ever before.
Find out about the latest steering technologies.
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.