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90 EFI

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FourStroke 100 EFI: Peace and Quiet Is Part of The Package


More pure pleasure than ever

Mariner’s 75, 90 and 115hp mid-range Four-Strokes simply build on the awesome reputation of the previous 1.6L range. All the established advantages of the fuel-efficient EFI system are retained, but now with even greater long-term reliability achieved by sharing engine architecture with the supercharged Verado outboards. The effortless power supply is smoother and quieter than ever, thanks to the rigid engine and use of acoustic foam within the re-styled cowl. It all adds up to even greater enjoyment on the water.



  • Special bearings with a pressurized lubrication system reduce wear.
  • Audio warning system monitors vital engine functions such as over heat, over-rev, low oil and low oil pressure.
  • Rear mounted flush port for added protection and convenience.


  • Inherent four-stroke characteristics include quiet, smooth operation and exceptional idling.
  • 40% better fuel economy than comparable 2-stroke models.

Running  Quality

  • Low-noise combustion process and sound-dampening cowls for extremely smooth and quiet operation.


  • Four valves per cylinder.
  • Dual overhead cam design which maximizes hole shot, torque and efficiency.
  • Desmodronic Shift System provides smooth reliable shifting and years of trouble free operation.

5-Year Warranty

  • Five-year limited non-declining, factory-backed. Conditions and exclusions apply. Not applicable for commercial and racing applications.


Horsepower 90 hp (73.55 kw)
Dry weight 181 kg
Revolutions per minute (RPM) ranger 5000-6000
Displacement 1732 cc
Cylinder layout In-line
Number of cylinders 4
Starting Electric
Alternator system power 630 watt
Trim positions Electric Hydraulic Power Trim and Tilt
Induction system 8-valve, SOHC
Gear shift Forward (F) - Neutral (N) - Reverse (R)
Gear ratio 2.33:1
Steering Remote
Recommended boat transom type 508 mm (L) - 635 mm (XL)
Fuel system EFI
Fuel type Gasoline
Fuel requirement Unleaded 90 RON min.
SmartCraft Yes
Engine technology 4 strokes
Alternator type Fully regulated Belt-Driven


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