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Harley-Davidson FLSTFI Softail Fat Boy - 2005 Specifications and Reviews

The 2005 Harley-Davidson FLSTFI Softail Fat Boy is an iconic cruiser tailored for riders seeking classic American styling with modern reliability. Its 1449cc V-twin engine delivers substantial low-end torque, making it ideal for relaxed riding and cruising. Known for its distinctive fat tires and timeless design, this bike remains one of Harley's most recognizable and beloved models.

2005
4.5 stars Average rating: 4.5 from 2 votes
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General information

CategoryCustom / cruiser
Year2005
ModelHarley-Davidson FLSTFI Softail Fat Boy

Engine and Transmission Specifications

ClutchMulti-plate clutch with diaphragm spring in oil bath
Transmission typefinal driveBelt
Gearbox5-speed
Cooling systemAir
Fuel controlDOHC
Fuel systemInjection. Electronic Sequential Port Fuel Injection (ESPFI )
Bore x stroke95.3 x 101.6 mm (3.8 x 4.0 inches)
Compression8.8:1
Torque101.00
Stroke4
Engine typeV2
Capacity:1449.00 ccm (88.42 cubic inches)

Physical measures and capacities

Wheelbase1,630 mm (64.2 inches)
Ground clearance130 mm (5.1 inches)
Overall length2,396 mm (94.3 inches)
Seat height645 mm (25.4 inches) If adjustable, lowest setting.
Dry weight307.0 kg (676.8 pounds)
 
 

Harley-Davidson FLSTFI Softail Fat Boy dimensions and frame

Exhaust systemOver/under shotgun with shorty duals
Rear brakes diameter292 mm (11.5 inches)
Rear brakesSingle disc
Front brakes diameter292 mm (11.5 inches)
Front brakesDouble disc
Rear tyre dimensions150/80-16
Front tyre dimensionsMH90-B16
Rake (fork angle)32.0°
 
 

Speed and acceleration

Color optionsVivid black, brilliant silver pearl, sierra red pearl, smokey gold pearl, black pearl, lava red sunglo, glacier white pearl, rich sunglo blue, two-tone chopper blue pearl and brilliant silver pearl, two-tone black cherry pearl and black pearl, two-tone si
Fuel capacity18.90 litres (4.99 gallons)

Rider Reviews

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