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Discover the latest 2025 Harley-Davidson lineup arriving daily at Space Coast Harley-Davidson. Enjoy a premium selection of models and a complete 5-star buying experience that sets us apart in the motorcycle industry. Proudly serving Palm Bay, Orlando and the Florida Coast. 2025 Harley-Davidson® Fat Boy® Features may include: DESIGN Paint The best factory paint in the world covers a classic rounded gas tank that is finished with a new, bold tank medallion. Wheels 18-inch machined Lakester wheels with massive tires are covered by cutback fenders for powerful stance and commanding presence. Headlamp Nacelle The iconic Fat Boy headlight nacelle shines in bright polished chrome, accentuating the large and muscular look of the front end. PERFORMANCE Milwaukee-Eight® 117 Custom Engine Milwaukee-Eight® 117 Custom V-twin engine delivers sound, feel, and all the power you need for effortless long-mile highway cruising or exhilarating in-town performance. Rear Suspension Updated monoshock suspension is more comfortable while still firm and composed during aggressive riding. Two-into-Two Exhaust A key feature of Fat Boy design, the two-into-two exhaust has been updated for high-flowing performance and a rich V-twin sound. INNOVATION Five-Inch Analog Display Analog gauge is clear and easy to read, while an integrated digital display shows key information like Ride Modes. Hand Controls Updated hand controls accommodate Cruise Control and newly integrated tech features, including Ride Modes and Traction Control. USB-C Charging USB-C charging keeps your devices powered, so you can ride farther while using navigation, listening to music, and staying connected through your Bluetooth® headset.

Specifications

Dimensions

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- Length:
  
  93.1 in
- Seat height, unladen:
  
  26.6 in
- Ground clearance:
  
  4.9 in
- Trail:
  
  4.1 in
- Wheelbase:
  
  65.0 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:
  
  668 lbs
- Weight, in running order:
  
  694 lb
- Tire, type:
  
  Michelin® Scorcher 11 front and rear
Engine

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- Engine:
  
  Milwaukee-Eight® 117 Custom
- Bore:
  
  4.1 in
- Stroke:
  
  4.5 in
- Displacement:
  
  117.35 in³
- Compression ratio:
  
  10.3:1
- 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:
  
  126.1 ft-lb
- Engine torque (RPM):
  
  3000
- Horsepower:
  
  104 HP / 77 kW @ 4800 rpm
- Lean angle, right (deg.):
  
  25.6
- Lean angle, left (deg.):
  
  25.6
- Fuel economy testing method:
  
  EU 134/2014
- Fuel economy:
  
  47 mpg (5 l/100 km)
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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- Front fork:
  
  Dual-bending valve 49 mm telescopic with aluminum fork triple clamps; dual rate spring; "beer can" covers
- Rear shocks:
  
  Hidden, free piston, coil-over monoshock; 43mm stroke; hydraulic preload adjustment
- Wheels, front type:
  
  Machined, Lakester cast aluminum
- Wheels, rear type:
  
  Machined, Lakester cast aluminum
- Brakes, type:
  
  Front and rear silver, Split 7-spoke floating rotors
- Brakes, caliper type:
  
  4-piston fixed front and 2-piston floating rear