• Mercury 40 EFI

Mercury 40 EFI

Mercury EFI outboards deliver reliable turnkey starts, improved fuel efficiency, and instant throttle response. Great for aluminum tiller, aluminum console, inflatable rigid hull (RIB) and soft hull, watersports, and fish & ski boats.

HP / kW
  • 40 / 30
Engine type
  • Inline 3
Displacement (CID/CC)
  • 45.6 / 747
Full throttle RPM
  • 5500-6000
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Description

SPECIFICATIONS – 40 EFI

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
Starting
  • Electric (turn-key)
Steering
  • Big Tiller Compatible
  • Remote
  • Tiller Kit
Shaft length
  • 15″ / 381 mm
  • 20″ / 508 mm
Gearcase ratio
  • 2.00:1
Dry weight *Lightest model available
  • 216 lbs / 98 kg
Emissions Star Rating
  • 3
Bore and stroke
  • 2.56 x 2.95″ / 65 x 75 mm
Ignition
  • ECM 70
Fuel system
  • Electronic Fuel Injection (EFI)
Cooling system
  • Water-cooled with thermostat
Gear shift
  • F-N-R
Gearcase options
  • Standard
Trim system
  • Gas assist
  • Power Tilt
  • Power Trim
Exhaust system
  • Through prop
Shallow water trim range (degrees)
  • 20
Remote fuel tank (optional)
  • Yes
Color
  • Phantom Black
Lubrication system
  • Wet sump