There's nothing skinny about this machine. With fat FL forks. a fat 16-inch front tire and broad handlebars. people notice the Fat Boy ® in a crowd. A 7-inch chrome headlamp. leather-laced seat and tank panel. and an unmistakeable tank emblem all add to the distinctive look. Key FLSTF Softail® Fat Boy® characteristics -Rigid mount. 1450cc Twin Cam 88B™ balanced engine -Black powdercoated engine with chrome covers -Fat FL front forks -Solid disc front and rear wheels -Fat tires -Floorboards -FL rear fender -Large chrome headlight with fork nacelle I think the following specs should answer most of your questions. SPECIFICATIONS: 2003 Specifications FLSTF/I Softail® Fat Boy® DIMENSIONSLength 94. 3 in. (2395. 2 mm)Seat Height (measure laden w/ 180 lb. rider) 25. 5 in. (647. 7 mm)Seat Height (unladen) 27. 5 in. (699. 0 mm)Ground Clearance 5. 1 in. (129. 5 mm)Fork Rake 32. 0 degreesTrail 5. 8 in. (147. 3 mm)Wheelbase 64. 5 in. (1638. 3 mm)Tires: Dunlop Harley-Davidson SeriesFront - D402F MT90B16 72HRear - D401 150/80B16 71HFuel Capacity (includes 0. 5 gal. reserve) 5. 0 gal. (18. 9 L)Reserve Fuel Capacity (warning light at aprox. 1. 0 gal. for ESPFI models) 0. 5 gal. (1. 9 L)Oil Capacity 3. 5 qts. (3. 3 L)Dry Weight 669. 0 lbs. (304. 0 kg)Vehicle Weight In Running Order (unladen) 705 lbs. (320. 0 kg)Gross Vehicle Weight Rating 1160. 0 lbs. (527. 0 kg) ENGINEEngine 45º Air-cooled Twin Cam 88B™ (balanced)Valves Pushrod-operated overhead valves; w/ hydraulicself-adjusting lifters; two valves per cylinderBore x Stroke 3. 75 x 4. 0 in. (95. 25 x 101. 6 mm)Displacement 88 cu. in. (1450 cc)Compression Ratio 8. 9:1Fuel System2 Carburetion orElectronic Sequential Port Fuel Injection (ESPFI)(single runner. 45 mm throttle bore ESPFI) DRIVETRAINPrimary Drive Double row chain. oil bath. echanical tensioner. 36/25 ratioFinal Drive Gates carbon fiber reinforcedpolychain belt. 32/70 ratioClutch 9-Plate. wetTransmission Five-speedOverall Ratio:1st 10. 1102nd 6. 9583rd 4. 9534th 3. 8625th 3. 150 CHASSISFrame Mild steel. rectangular section backbonew/ twin down-tubesSwing Arm Triangular “hard tail” styleFront Fork 41. 3 mm. telescopic w/ “beer can” coversWheels 16 in. disc front. 6 in. disc rearBrakes:Caliper type Dual-piston front and rearRotor type (diameter x width): Patented. Uniform Expansion RotorsFront 11. 5 in. x . 20 in. (292. 1 mm x 5. 08 mm)Rear 11. 5 in. x . 23 in. (292. 1 mm x 5. 84 mm)Suspension travel:Front Wheel 5. 10 in. (129. 54 mm)Rear Wheel 4. 30 in. (109. 22 mm) PERFORMANCEEngine Torque (per SAEJ607)3:North America 85 ft. lbs. @ 3000 rpm (115. 0 NM @ 3000 rpm)Lean Angle (per SAEJ1168):Right 29. 2 degreesLeft 27. 0 degrees ELECTRICNO BATTERY INCLUDED!Charging 37-amp permanent magnet alternator w/ solid-state regulator(481 watts @ 3. 00 rpm. 494 watts peak)Starting 1. 2 kw electric w/ Bendix-type engagementLights: (As per country regulation)Headlamp Quartz halogen 55-watt low beam. 60-watt high beamTail/stop lights 8w/28w (int’l: 5w/21w)Turn signal lights (self-canceling) 28w (int’l: 21w)Indicator lamps High beam. neutral. oil. turn signals. nd security system (optional)4 STYLING/CONVENIENCEEngine Trim Powdercoated black w/ chrome coversExhaust System Chrome over/under shotgun dualsOil Tank Chrome "Horseshoe" w/ chrome external oil linesIgnition Barrel key. tank console-mountedFoot Supports Full-length operator floorboards w/ heel-toe shift leverRear Fender Full coverageRear Fender Supports ChromeFork Lock Common w/ ignitionInstruments Electronic speedometer w/ odometer andresettable tripmeter w/ diagnostic readout capabilitiesFlasher Hazard warning integrated into turn signal controls COLORSTwo-Tone Sterling Silver and Vivid Black! An Anniversary Never To Be Built Again!