Mercury Racing
OptiMax 300XS
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Mercury Racing OptiMax 300XS Mercury Racing OptiMax 300XS main video

Key Features

  • 3.2 Liter V-6 Powerhead features stroked and balanced crankshaft for maximum displacement and performance
  • Extensive R & D result in Formula 1 race based exhaust porting and reed block fuel induction design for top power
  • New combustion chamber design results in engine producing peak power longer at upper end of operating RPM range
  • A unique two-stage direct-injection system atomizes fuel into small, uniform particles, resulting with a complete and instantaneous combustion.
  • Fuel/air mixture is injected into the combustion chamber at 95 psi (15 psi higher fuel/air differential than standard DFI or OptiMax product) for enha
  • New PCM 07 microprocessor features a 14-pin Deutsch connector harness which incorporates engine ignition and SmartCraft CAN (controller area network)
  • The SmartCraft Engine Guardian system monitors engine functions for early indications of problems that could lead to engine damage.
  • The 60-amp, belt-driven alternator is the most powerful in its class.
  • Electronic multipoint lubrication system delivers precise amounts of oil where and when it's needed.

Mercury Racing OptiMax 300XS (Outboard) Specifications
Horsepower 300-hp
Warranty 2 Years
Type of Engine 4-Stroke
Number of Cylinders 6 Cylinders
Configuration V-drive
Weight (lbs/kg) 505.00 lbs / 229.06 kg
Fuel Delivery Fuel Injected
Displacement (cu/cc) 193.00 cu / 3,162.70 cc
Shaft Length Options 20 in / 25 in / 30 in
Steering Control Power Assist
Recommended Fuel 91 Octane Minimum
Alternator Output 60 A