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2018 Mercury Racing Sterndrive 1550

Racing Sterndrive 1550

The all-new 1550 dual calibration sterndrive features an advanced control system which enables the operator to switch engine power level via an electronic key fob. The Race key fob turns the engine into a pure bred race machine - pumping out one thousand five hundred and fifty horsepower on 112 AKI race fuel. The Pleasure key fob is selected when a more leisure ride is in order, creating 1350 h.p. on 91 octane (98 RON) fuel. Both fuel calibrations provide maximum torque and efficiency and are designed to optimize the engine performance at each power level.

Information

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Specifications

Engine Specs
  • Displacement Liter/CID : 9.0/552
  • Cylinder/Configuration : V-8
  • Bore & Stroke (in/mm) : 4.57/116 x 4.21/107
  • Compression Ratio : 7.8:1
  • Fuel System : Sequential Fuel Injection
  • Full Throttle RPM Range : 6200-6800 (1550 HP) / 6000-6500 (1350 HP)
  • Gear Ratio : Application dependent (contact Mercury Racing for additional information)
  • Length (in/mm) : 31/787 (from back of block)
  • Width (in/mm) : 35/889
  • Height (in/mm) : 29/737 (from crankshaft centerline)
  • Fuel Requirements : 112 AKI Required for 1550 Calibration / 91 Octane (98 RON) Minimum for 1350 HP
  • Drive Unit : Dry-sump M8R
  • Transmission : Mercury Racinq Dry-Sump Hydraulic
  • Warranty : 10 hour warranty at the 1550 power level (at 2000 RPM or above) or 1 year, whichever comes first.
  • Alternator amp / Watt : 105/1481
  • Controls : Distributorless
  • Power mhp / kW : 1550/1350 (1156/1007 kW)
  • Weight (engine only) : 1720/782