2025 Harley-Davidson® Fat Boy® Base

Retail Price

$22,599.00

Information

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.

Photos

Highlights

  • Irvine, California
  • 2025
  • Harley-Davidson®
  • Fat Boy® Base
  • Milwaukee-Eight® 117 Custom
  • Available
  • 40 in.

Specifications

  • 2025
  • Harley-Davidson®
  • FLFB Fat Boy®
  • Base
  • Cruiser
  • $350
  • Premium Plus Color (LV2B): $650
  • $850
  • Standard
  • Standard
  • $200
  • $730
  • Milwaukee-Eight® 117 Custom
  • 4.075 in.
  • 4.5 in.
  • 117 cu in
  • 10.3:1
  • Electronic Sequential Port Fuel Injection (ESPFI)
  • 2-into-2 staggered; catalyst in muffler
  • 93.1 in.
  • 40 in.
  • 25.9 in
  • 4.9 in.
  • 30
  • 4.1 in.
  • 65 in.
  • Michelin® Scorcher 11, front and rear
  • Michelin® Scorcher 11, front and rear
  • 160/60R18,70V,BW
  • 240/40R18,79V,BW
  • 5 gal.
  • 5 qt.
  • 694 lb.
  • J1349
  • 126 ft-lb
  • 104 HP / 77 kW @ 4800 rpm
  • 3000
  • 25.6
  • 25.6
  • Testing Method: Estimated City/Hwy | 47 mpg
  • Chain, 34/46 ratio
  • 9.311
  • 6.454
  • 4.793
  • 3.882
  • 3.307
  • 2.79
  • Dual-bending valve 49 mm telescopic with aluminum fork triple clamps; dual rate spring; "beer can" covers
  • Hidden, free piston, coil-over monoshock; 43mm stroke; hydraulic preload adjustment
  • Machined, Lakester cast aluminum
  • Machined, Lakester cast aluminum
  • 4-piston fixed front and 2-piston floating rear
  • Rotors: Front and rear silver, Split 7-spoke floating rotors
  • Headlamp: All LED, low beam, high beam and signature position lamp; Tail/Stop: Bullet-style, LED stop/tail/turn signals; Front Signal Lights: LED Bullet Turn Signals
  • 5-inch analog speedometer with digital gear, odometer, fuel level, ride modes, heated gear, traction control, ABS, TPMS, cruise control, clock, trip, range and tachometer indication