Mercury 90HP EFI Four Stroke

Print Full Specs

HP / kW
  • 90 / 66.2
Engine type
  • Inline 4
Displacement (L)
  • 2.1
Displacement (L)
  • 2.1
Full throttle RPM
  • 5000-6000
Fuel induction system
  • Computer Controlled Multi-Port Electronic Fuel Injection (EFI)
Alternator amp / Watt
  • 35 amp / 441 watt with water-cooled voltage regulator
Recommended fuel
  • Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • SmartCraft Engine Guardian
Compatible with SmartCraft digital technology
  • Yes
Starting
  • Smart Start Electric
Steering
  • Big Tiller Compatible
  • Dual Cable Mechanical
  • Hydraulic power steering
Shaft length
  • 20" / 508 mm
  • 25" / 635 mm
Gearcase ratio
  • 2.07:1
Dry weight *Lightest model available
  • 359 lbs / 163 kg
CARB star rating
  • 3
Bore and stroke
  • 3.5 x 3.2" / 90 x 81 mm
Ignition
  • SmartCraft ECM 70 Digital Inductive
Fuel system
  • Electronic Fuel Injection (EFI)
Cooling system
  • Water-cooled with thermostat
Gear shift
  • F-N-R
Gearcase options
  • Standard
Trim system
  • Power Tilt
  • Power Trim
Exhaust system
  • Through prop
Shallow water trim range (degrees)
  • 20
Color
  • Phantom Black