2018 Yamaha Outboards 350 - 150 hp V6 4.2L F300

350 - 150 hp V6 4.2L F300

The award-winning 4.2-liter F300 is the king of our V6's. Weighing in at 562 pounds (digital) and 551 pounds (mechanical), it's up to 73 pounds lighter than some competitors. Plus, it's up to 19 percent faster at cruise RPM. It's easy to see why it's the top choice for offshore performance.

Information

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Specifications

Engine Specs
  • Engine Type : V6
  • Displacement : 4169cc
  • Bore x Stroke : 96 x 96mm (3.78 x 3.78 in)
  • Prop Shaft Horsepower : 300hp at 5500 rpm
  • Compression Ratio : 10.3:1
  • RPM Range : 5000 ~ 6000 rpm
  • Fuel Induction System : EFI
  • Alternator Output @ W.O.T. : 70 Amp
  • Recommended Engine Oil : Yamalube® 4M (See owner's manual)
  • Recommended Fuel : Octane 89
  • Weight : 254 kg (562 lbs) - 260 kg (575 lbs)
  • Recommended Fuel Filtration : Yamaha 10-Micron Fuel / Water Separating Filter (external)