Mercury

Mercury / FourStroke

Mercury Fourstroke 40hp EFI 3 Cylinder

It’s simple.

All Mercury outboards
Mercury Fourstroke 40hp EFI 3 Cylinder

FourStroke

Fourstroke 40hp EFI 3 Cylinder

Power
40 hp
Configuration
Inline 3
Displacement
747cc
Weight
204 lb
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About this engine

It’s simple. You have places to go, and the Mercury 40 to 60hp FourStroke family of outboards is the easiest way to get there. Electronic fuel injection for reliable starts and increased efficiency. Smooth performance. Impressive torque. Rugged durability. It’s everything you need to get more out of your time on the water.

Key features

  • High-Output Alternator
  • Convenient Maintenance
  • Command Thrust Gearcase
  • Tiller Handle
  • Electronic Fuel Injection (EFI)
  • FourStroke Performance
  • Powerful Torque
  • Quick Acceleration
  • Hard-Working Muscle
  • FourStroke Advantage
  • Comfort
  • Durability
  • Compact Design
  • Efficiency
  • SmartCraft® The Power to Do More
  • Repower Your Boat with a New Outboard
  • 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
40
Alternator amp / Watt
18 amp / 226 watt
Smartcraft Compatible
Yes
Displacement (CID/CC)
45.6 / 747
Dry weight *Lightest model available
204 lbs / 98 kg
Engine type
Inline 3
HP / kW
40 / 30
Starting
Electric (turn-key)
Trim system
Gas assist