2017 Yamaha Outboards Midrange Four Stroke F50

Midrange Four Stroke F50

Nothing beats a day on the water with family and friends. And nothing powers those moments quite like Yamaha's versatile line of midrange outboards. Ranging in size from the mighty F90 down to the nimble F25, they offer just the right amount of power for a variety of applications. These 2-, 3- and 4-cylinder dynamos are quiet, clean-burning, reliable performers. But that's not all they have to offer.

Information

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Specifications

Engine Specs
  • Engine Type : In-Line Four-Cylinder
  • Displacement : 60.8 ci (996 cc)
  • Bore x Stroke : 65 x 75mm (2.56 x 2.95 in)
  • Prop Shaft Horsepower : 50hp @ 5500rpm
  • Compression Ratio : 9.5:1
  • RPM Range : 5000 ~ 6000 rpm
  • Fuel/Induction System : EFI (SOHC)
  • Exhaust : Through Propeller
  • Intake : Single Throttle Valve
  • Cooling : Water/Thermostatic Control
  • Ignition System : TCI Microcomputer
  • Spark Plug : DPR6EB-9
  • Starting System : Electric w/PTT
  • Lubrication : Wet Sump
  • Degree of Trim/Tilt : 4° through +20° / 69°
  • Oil Capacity : 2.1L/ 1.9L w/without filter
  • Recommended Engine Oil : Yamalube® 4M (See owner's manual)
  • Gear Shift : F-N-R
  • Gear Ratio : (24:13) 1.85:1
  • Shaft Length : L = 20"
  • Recommended Fuel : Regular Unleaded (Minimum Pump Octane 87)
  • Steering Angle (maximum) : 40° from center, either direction
  • Weight : 113kg (249 lbs)
  • CARB Rating : 3-Star
  • Warranty : 3 Year Limited Pleasure Boat - 1 Year Limited Commercial
  • Alternator Output : 17 Amp
  • Ethanol Blend Limit : 10% Maximum
  • Recommended Fuel Filtration : Yamaha 10-Micron Fuel/Water Separating Filter (external)