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Grove Harbour Marine
2017 Yamaha Outboards Midrange Four Stroke F50
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Overview
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.

Standard Features
Convenience/Control
  • External Tilt Switch
  • Freshwater Flush
  • Power Trim & Tilt
  • Spin On Oil Filter
Power/Performance
  • Dual Stage Single Cylinder Power Trim and Tilt
  • Four Independent Fuel Injectors
  • Four Stroke Engine Design
  • Labyrinth Exhaust
  • Lightweight Compact Design
  • Long Track Induction System
  • Multi-Point Precision Fuel Injection
  • Powerful 4 Cylinder 60.8 cu in.
  • Precision Multi-Point Fuel Injection
  • SOHC
  • Single Throttle Valve
  • Three-Cylinder Design
Reliability/Durability
  • Electro-deposited Powerhead Paint Process
  • Engine Warning System
  • High Output Alternator
  • Magnetic Drain Plug
  • Phaze Five™ Paint System
  • SST Drive, Prop, Shift Shafts
  • SST Steering Tube
  • Sacrificial Anodes
  • Single Throttle Valve
  • TCI Microcomputer
  • Wet Sump Lubrication
  • YDC-30 Aluminum Alloy
Options
Specifications
Engine Specs
Engine TypeIn-Line Four-Cylinder
Displacement60.8 ci (996 cc)
Bore x Stroke65 x 75mm (2.56 x 2.95 in)
Prop Shaft Horsepower50hp @ 5500rpm
Compression Ratio9.5:1
RPM Range5000 ~ 6000 rpm
Fuel/Induction SystemEFI (SOHC)
ExhaustThrough Propeller
IntakeSingle Throttle Valve
CoolingWater/Thermostatic Control
Ignition SystemTCI Microcomputer
Spark PlugDPR6EB-9
Starting SystemElectric w/PTT
LubricationWet Sump
Degree of Trim/Tilt4° through +20° / 69°
Oil Capacity2.1L/ 1.9L w/without filter
Recommended Engine OilYamalube® 4M (See owner's manual)
Gear ShiftF-N-R
Gear Ratio(24:13) 1.85:1
Shaft LengthL = 20"
Recommended FuelRegular Unleaded (Minimum Pump Octane 87)
Steering Angle (maximum)40° from center, either direction
Weight113kg (249 lbs)
CARB Rating3-Star
Warranty3 Year Limited Pleasure Boat - 1 Year Limited Commercial
Recommended Fuel FiltrationYamaha 10-Micron Fuel/Water Separating Filter (external)
Ethanol Blend Limit10% Maximum
Alternator Output17 Amp
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