Fat Boy®


Every once in a while, things fall into place, like they were meant to be. A perfect example of this phenomenon is the Harley-Davidson Fat Boy®, which pairs a truly distinctive style with an air-cooled, High Output Twin Cam 103B™ engine and chrome solid disc wheels. Excellent form meets exceptional function. You’ve probably heard it, but as the story goes, Willie G. Davidson stopped traffic the first time he rode the Fat Boy® model into Daytona Bike Week. If you don’t quite understand yet, trust us, you’ll get it once you ride one.


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Product Description


  • Year2017
  • ManufacturerHarley-Davidson®
  • ModelFLSTF Fat Boy®
  • TrimBase
  • Generic TypeCruiser


  • Length93.9 in.
  • Seat Height, (Laden)25 in.
  • Seat Height, (Unladen)26.4 in.
  • Ground Clearance5.1 in.
  • Rake (Seering Head)(Deg)31
  • Trail5.8 in.
  • Wheelbase64.4 in.
  • Fuel Capacity5 gal.
  • Oil Capacity3.5 qt.
  • Dry Weight700 lb.
  • Weight (In Running Order)730 lb.
  • EngineAir-cooled, High Output Twin Cam 103B™
  • Displacement103.1 cu in.
  • Bore3.87 in.
  • Stroke4.374 in.
  • Engine TorqueJ1349, 102.5 ft-lbs. @ 3000 RPM
  • Fuel SystemElectronic Sequential Port Fuel Injection (ESPFI)
  • Compression Ratio9.6:1


  • Primary DriveChain, 34/46 ratio
  • Fuel Economy: Combined City/Hwy42 mpg
  • Gear Ratios (Overall) 1st9.311
  • Gear Ratios (Overall) 2nd6.454
  • Gear Ratios (Overall) 3rd4.793
  • Gear Ratios (Overall) 4th3.882
  • Gear Ratios (Overall) 5th3.307
  • Gear Ratios (Overall) 6th2.79

Wheels & Tires

  • Front WheelMirror Chrome Aluminum Bullet Hole Disc
  • Rear WheelMirror Chrome Aluminum Bullet Hole Disc
  • Tires, (Front Specs.)140/75R17 67V
  • Tires, (Rear Specs.)200/55R17 78V
  • LightingHigh beam, neutral, low oil pressure,
    turn signals, engine diagnostics, security system (optional),
    6-speed, low fuel warning, low battery, ABS


  • Brake System Type4-piston front and 2-piston rear
  • Lean Angle, Left (Deg.)26.2
  • Lean Angle, Right (Deg.)27
  • ExhaustHandlebars (Style)

Additional Information


BlueSilver, Gold Black, Olive, Red, VividBlack