40 EFI

ENGINE DETAILS

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

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
  • Remote
  • Tiller
Shaft length
  • 15" / 381 mm
  • 20" / 508 mm
Gearcase ratio
  • 2.00:1
Dry weight *Lightest model available
  • 204 lbs / 93 kg
CARB 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