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

FourStroke
FourStroke 90hp
- Power
- 90 hp
- Configuration
- Inline 4
- Displacement
- 2.1L
- Weight
- 359 lb
Authorized
dealer
View on Mercury site 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



























