The Harley-Davidson FLSTF Fat Boy model is a Custom / cruiser bike manufactured by Harley-Davidson . In this version sold from year 1999 , the dry weight is and it is equiped with a V2, four-stroke motor. The engine produces a maximum peak output power of 56.00 HP (40.9 kW) @ 5000 RPM and a maximum torque of 97.00 Nm (9.9 kgf-m or 71.5 ft.lbs) @ 2350 RPM . With this drive-train, the Harley-Davidson FLSTF Fat Boy is capable of reaching a maximum top speed of 152.0 km/h (94.4 mph) . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Harley-Davidson FLSTF Fat Boy have a frame with front suspension being and in the rear suspension it is equiped with . Stock tire sizes are on the front, and on the rear. As for stopping power, the Harley-Davidson FLSTF Fat Boy braking system includes Single disc size 291 mm (11.5 inches) at the front and Single disc size 291 mm (11.5 inches) at the rear.