Mercury Seapro 90HP Fourstroke - These commercial outboards are designed to work as hard as you do...engineered to be ultra tough working partners for anyone making their living on the water. Every SeaPro features unique components to cope with the additional demands of professional operation. Whatever your job there's a specific FourStroke of TwoStroke Mercury SeaPro model that's up to the task.

HP / kW
  • 90 / 67
Engine type
  • 8-valve single overhead cam (SOHC)
  • Inline 4
Displacement (L)
  • 2.1
Full throttle RPM
  • 5000-5500
Air induction
  • Performance-Tuned Scroll Intake Manifold
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
  • NMMA Certified FCW 25W-40 Synthetic Blend
Engine protection operator warning system
  • SmartCraft Engine Guardian
Compatible with SmartCraft digital technology
  • Yes
Starting
  • Smart Start Electric
Controls
  • Mechanical throttle & shift
Steering
  • Big Tiller
  • Dual Cable Mechanical
  • Hydraulic
Shaft length
  • 20" / 508 mm
  • 25" / 635 mm
Gearcase ratio
  • 2.38:1
Dry weight *Lightest model available
  • 363 lbs / 165 kg
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
Trim system
  • Power Tilt
  • Power Trim
Exhaust system
  • Through prop
Shallow water trim range (degrees)
  • 20
Color
  • Phantom Black
Lubrication system
  • Integrated Dry Sump
Oil Capacity
  • 5.5 qts / 5.2 l
Maximum Trim Range
  • 22° (-6° to 16°)
Maximum Tilt Range
  • 70° (-6° to 64°)

 

Specification

Horse Power (hp)
  • 90

Engine 1

Horse Power 90