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Mercury FourStroke 40hp Outboard

Mercury FourStroke 40hp Outboard

Tax included.

Held to a Higher Standard.

There are plenty of good reasons these outboards rule the water. Start with no-worry reliability. More low-end torque for excellent acceleration. Increased fuel economy and outstanding overall performance. Enhanced fuel injection (EFI models) for boosted efficiency. A robust electrical system with a high-output alternator to keep batteries charged and fishing electronics humming. They have everything you need and nothing you don't.


Mercury EFI outboards deliver reliable turnkey starts, improved fuel efficiency, and instant throttle response.


HP / kW
  • 40 / 30
Engine type
  • Inline 3
Displacement (CID/CC)
  • 45.6 / 747
Full throttle RPM
  • 5500-6000
Fuel induction system
  • 2 valves per cylinder, single overhead cam (SOHC)
Alternator amp / Watt
  • 18 amp / 226 watt
Recommended fuel
  • 87 octane / up to 10% ethanol
Recommended oil
  • Mercury FourStroke 25W40 Marine Oil
Engine protection operator warning system
  • Low oil pressure
  • Over-rev
  • Overheat
Compatible with SmartCraft digital technology
  • Yes

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