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Mercury Optimax 115 HP Pro XS

Mercury Optimax 115 HP Pro XS – Our engines are put through tests such as vicious log strikes, saltwater spray booths, high humidity chambers and hot and cold water temperatures.

HP / kW
  • 115 / 84.5
Engine type
  • Inline 3
Displacement (L)
  • 1.5
Full throttle RPM
  • 5000-5750
Alternator amp / Watt
  • 60 amp / 756 watt
Recommended fuel
  • Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Recommended oil
  • Mercury OptiMax/DFI Outboard Oil
Engine protection operator warning system
  • Low oil level
  • Over-rev
  • Overheat
  • SmartCraft Engine Guardian
Compatible with SmartCraft digital technology
  • Yes
Starting
  • Electric (turn-key)
Steering
  • Big Tiller Compatible
  • Remote
Shaft length
  • 20″ / 508 mm
  • 25″ / 635 mm
Gearcase ratio
  • 2.07:1
Dry weight *Lightest model available
  • 375 lbs / 170 kg
Emissions Star Rating
  • 3
Bore and stroke
  • 3.63 x 3.00″ / 92 x 76 mm
Ignition
  • PCM Digital Inductive
Fuel system
  • 2-stage Direct Fuel Injection (DFI)
Cooling system
  • Water-cooled with thermostat & pressure-controlled
Gear shift
  • F-N-R
Gearcase options
  • Standard
Trim system
  • Power Trim
Exhaust system
  • Through prop
Shallow water trim range (degrees)
  • 20
Color
  • Phantom Black