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Harley-Davidson FLSTFI Fat Boy

Harley-Davidson · 4 model years · 2002–2006

Model Years

2006 Harley-Davidson FLSTFI Fat Boy

Engine: 1442.2 cc Torque: 115.26 Weight: 309.8 kg (683.0 pounds)

The 2006 Harley-Davidson FLSTFI Fat Boy is an iconic cruiser designed for riders seeking classic styling with modern reliability. Its 1442cc V-twin engine delivers strong low-end t…

2004 Harley-Davidson FLSTFI Fat Boy

Engine: 1449 cc Torque: 102.00 Weight: 307.0 kg (676.8 pounds) Seat: 645 mm (25.4 inches) If adjustable, lowest setting.

The 2004 Harley-Davidson FLSTFI Fat Boy is an iconic cruiser designed for riders seeking classic American styling with modern fuel injection reliability. Its 1449cc V-twin engine d…

2003 Harley-Davidson FLSTFI Fat Boy

Engine: 1449 cc Torque: 105.00 Weight: 320.0 kg (705.5 pounds) Seat: 699 mm (27.5 inches) If adjustable, lowest setting.

The 2003 Harley-Davidson FLSTFI Fat Boy is an iconic cruiser that appeals to riders seeking classic style and commanding presence. Powered by a 1449cc V-twin engine with fuel injec…

2002 Harley-Davidson FLSTFI Fat Boy

Engine: 1449 cc Torque: 105.00 Weight: 320.0 kg (705.5 pounds)

The 2002 Harley-Davidson FLSTFI Fat Boy is an iconic cruiser designed for riders seeking classic American style with modern fuel injection reliability. Its 1449cc V-twin engine del…

Spec Comparison by Year
Spec 2006 2004 2003 2002
Capacity 1442.2 cc 1449 cc 1449 cc 1449 cc
Torque 115.26 102.00 105.00 105.00
Dry weight 309.8 kg (683.0 pounds) 307.0 kg (676.8 pounds) 320.0 kg (705.5 pounds) 320.0 kg (705.5 pounds)
Seat height 645 mm (25.4 inches) If adjustable, lowest setting. 699 mm (27.5 inches) If adjustable, lowest setting.