The Harley-Davidson FLSTF/I Fat Boy is a behemoth of a bike that commands attention wherever it goes. Its muscular profile, wrapped in fat tires and showcased on disc wheels, is unmistakably Harley-Davidson. The robust 88 cubic-inch Twin Cam engine belts out its signature baritone song through shotgun pipes, delivering a rich, throaty sound that’s music to the ears.
The Fat Boy’s generous floorboards invite riders of all sizes to get comfortable, while the FL-style fork tubes and solo chrome headlight exude style and class. Whether you prefer the smooth, electronic sequential port fuel injection (ESPFI) or the classic carbureted setup, this bike is sure to deliver a thrilling riding experience.
Whether you’re cruising down the highway or carving up twisties, the Fat Boy’s broad tires and robust engine will keep you grinning from ear to ear. Its unmistakably Harley-Davidson look is matched only by its impressive performance capabilities. With its imposing presence and rich, throaty sound, one ride on a FLSTF/I Fat Boy will leave you hooked forever.
Key Specifications
Engine Type
Four stroke, 45 V-Twin,Twin Cam 88 vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder
Engine Capacity
88.4 cubic inches / 1449 cc
Max Power
67 hp / 48.8 kW @ 5200 rpm
Max Torque
86 ft-lb / 116.6 nm
Fuel Tank Capacity
5.0 US gallons / 18.9 L
Weight (Wet/Kerb)
714 lbs / 324 kg
Seat Height
25.4 inches / 645.2 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
Harley Davidson FLSTF/I Fat Boy
Year
2005 – 2006
Engine
Engine Type
Four stroke, 45 V-Twin,Twin Cam 88 vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder
Displacement
88.4 cubic inches / 1449 cc
Bore x Stroke
95.3 x 101.6 mm
Compression Ratio
8.9:1
Max Horsepower
67 hp / 48.8 kW @ 5200 rpm
Max Torque
86 ft-lb / 116.6 nm
Engine Management System
Carburetion 40 mm constant velocity with enrichener and accelerator pumpESPFI 38 mm throttle bore electronic sequential port fuel injection
Lubrication System
Dry sump, internally mounted, crank driven gerotor pressure and dual scavenge pump with spin on 10 pressurized oil filter
*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com
