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2021 Harley-Davidson® Fat Boy® 114 The original fat custom icon, now with bright chrome finishes Features may include: THIS IS THE RIGHT BIKE FORHot rod riders who like satin chrome and a steamroller stanceCommanding the road with fat tires and a squared-up headlampMilwaukee-Eight® 114 V-Twin engine and Lakester disc wheelsMILWAUKEE-EIGHT® BIG TWIN ENGINE A powerful, smooth-running engine with crisp throttle response and a pure, soul-satisfying rumble. SOFTAIL® FRAME The frame retains the classic Softail® lines, but its lightweight design and stiffness translate to a responsive ride unlike anything you’ve felt before. SATIN CHROME FINISHES An all-you-can eat portion of sculpted satin chrome gives the Fat Boy® motorcycle a look that’ll make a big impact. STEAMROLLER STANCE A muscular look thanks to solid-disc Lakester wheels wrapped in the widest front tire we’ve ever offered from the factory at 160mm combined with a rear tire at 240mm. SIGNATURE LED FORWARD LIGHTING Darkness-defying lighting that gives you great visibility at night. HIGH PERFORMANCE FRONT SUSPENSION Sophisticated suspension technology provides the performance of a racing-style cartridge fork for reduced weight with linear damping characteristics. HIGH PERFORMANCE REAR MONO SHOCK Easily adjustable mono-shock rear suspension allows for dynamic cornering while preserving the hardtail look.

Specifications

Dimensions

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- Length:
  
  93.3 in
- Seat height, unladen:
  
  26.6 in
- Ground clearance:
  
  4.5 in
- Trail:
  
  4.1 in
- Wheelbase:
  
  65.6 in
- Tires, front specifications:
  
  160/60R18,70V,BW
- Tires, rear specifications:
  
  240/40R18,79V,BW
- Fuel Capacity:
  
  5.0 gal
- Oil capacity:
  
  5 qt.
- Weight, as shipped:
  
  670 lbs
- Weight, in running order:
  
  699 lb
Engine

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- Engine:
  
  Milwaukee-Eight® 114
- Bore:
  
  4.0 in
- Stroke:
  
  4.5 in
- Displacement:
  
  113.99 in³
- Compression ratio:
  
  10.5:1
- Fuel system:
  
  Electronic Sequential Port Fuel Injection (ESPFI)
- Exhaust:
  
  2-into-2 staggered; catalyst in muffler
Performance

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- Engine torque testing method:
  
  EC 134/2014
- Engine torque:
  
  114.3 ft-lb
- Engine torque (RPM):
  
  3000
- Lean angle, right (deg.):
  
  25.6
- Lean angle, left (deg.):
  
  25.6
- Fuel economy testing method:
  
  EU 134/2014
- Fuel economy:
  
  0.02 mpg
- CO₂ emissions testing method:
  
  EU 134/2014
- CO₂ emissions :
  
  129 g/km CO2
Powertrain

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- Primary drive:
  
  Chain, 34/46 ratio
- Gear ratios (overall) 1st:
  
  9.311
- Gear ratios (overall) 2nd:
  
  6.454
- Gear ratios (overall) 3rd:
  
  4.793
- Gear ratios (overall) 4th:
  
  3.882
- Gear ratios (overall) 5th:
  
  3.307
- Gear Ratios (overall) 6th:
  
  2.79
Chassis

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- Wheels, front type:
  
  Machined, Lakester cast aluminum
- Wheels, rear type:
  
  Machined, Lakester cast aluminum
- Brakes, caliper type:
  
  4-piston fixed front and 2-piston floating rear
Electric

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- Lights (as per country regulation), indicator:
  
  High beam, turn signals, neutral, low oil pressure, engine diagnostics, ABS, security, low battery voltage, low fuel
- Gauges:
  
  5-inch analog speedometer with digital gear, odometer, fuel level, clock, trip, range and tachometer indication