These are the known mechanical and performance specifications for your 2004 Harley-Davidson FLSTFI Fat Boy.
Basic Specs

Engine
Displacement1449.00 ccm (88.42 cubic inches)
Type
DetailsV2, four-stroke
Max RPM
Compression8.8:1
Bore/Stroke95.3 x 101.6 mm (3.8 x 4.0 inches)
Valves/Cylinder2
FuelingInjection
Ignition
Exhaust
Lubrication
CoolingAir
Performance
Horespower
Torque102.00 Nm (10.4 kgf-m or 75.2 ft.lbs)
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity18.90 litres (4.99 gallons)
Emissions
Chassis
Frame Type
Rake32.0°
Trail147 mm (5.8 inches)
Front Suspension
Front Travel
Rear Suspension
Rear Travel
Seat
Seat Height645 mm (25.4 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length2,396 mm (94.3 inches)
Total Width
Ground Clearance130 mm (5.1 inches)
Wheelbase1,630 mm (64.2 inches)
Dry Weight307.0 kg (676.8 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre90/90-16
Rear Tire/Tyre150/80-16
Front BrakesSingle disc
Front Brake Diameter406 mm (16.0 inches)
Rear BrakesSingle disc
Rear Brake Diameter406 mm (16.0 inches)
Wheels


Comments
Black powder-coated engine with chrome covers; fat front forks; solid disc front and rear wheels; large chrome headlight with fork nacelle