Mercury

Mercury / FourStroke

Mercury FourStroke 90hp

<div data-content-type="html" data-appearance="default" data-element="main">Whether your day calls for a vacation or a voyage, a Mercury 75 to 150hp FourStroke outboard is the perfect accessory for your next adventure.

All Mercury outboards
Mercury FourStroke 90hp

FourStroke

FourStroke 90hp

Power
90 hp
Configuration
Inline 4
Displacement
2.1L
Weight
359 lb
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About this engine

<div data-content-type="html" data-appearance="default" data-element="main">Whether your day calls for a vacation or a voyage, a Mercury 75 to 150hp FourStroke outboard is the perfect accessory for your next adventure. They feature efficient, lightweight designs that ensure no power goes wasted – the ideal way to get wherever you want to explore next.</div>

Key features

  • You’re One Step Closer to Adventure
  • Color Options for 150hp FourStroke
  • High-Output Alternator
  • Extra Charging Power
  • Command Thrust Gearcase
  • Tiller Handle
  • Electronic Fuel Injection (EFI)
  • FourStroke Performance Data
  • Smooth & Quiet
  • Powerful Torque
  • Lighter by Design
  • FourStroke Advantage
  • Comfort
  • Durability
  • Compact Design
  • Efficiency
  • SmartCraft® The Power to Do More
  • Warranty & Maintenance
  • Warranty Coverage
  • Get the Latest Mercury News
  • Brochures
  • Sign up for the Mercury Dockline Newsletter for news, promotions and more

Full specifications

Horsepower
90
Alternator amp / Watt
35 amp / 441 watt with water-cooled voltage regulator
Color
Black
Smartcraft Compatible
Yes
Displacement (L)
2.1L
Dry weight *Lightest model available
359 lbs / 163 kg; 363 lbs / 165 kg (CT model)
Engine type
Inline 4
HP / kW
90 / 67
Recommended fuel
Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum