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You are here: Home --- 2003 Motorcycle Models --- 2003 Harley-Davidson Motorcycle Models

2003 Harley-Davidson
FLSTF/FLSTFI Fat Boy
Back to 2002 Harley-Davidson Motorcycle Index Page

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2003 Harley-Davidson FLSTF/FLSTFI Fat Boy
2003 Harley-Davidson FLSTF/FLSTFI Fat Boy

 

- 2003 Harley-Davidson FLSTF/FLSTFI Fat Boy

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

 

SPECIFICATIONS:

2003 Specifications FLSTF/I Softail® Fat Boy®

DIMENSIONS
Length 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 degrees
Trail 5.8 in. (147.3 mm)
Wheelbase 64.5 in. (1638.3 mm)
Tires: Dunlop Harley-Davidson Series
Front - D402F MT90B16 72H
Rear - D401 150/80B16 71H
Fuel 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)

ENGINE
Engine 45º Air-cooled Twin Cam 88B™ (balanced)
Valves Pushrod-operated overhead valves; w/ hydraulic
self-adjusting lifters; two valves per cylinder
Bore x Stroke 3.75 x 4.0 in. (95.25 x 101.6 mm)
Displacement 88 cu. in. (1450 cc)
Compression Ratio 8.9:1
Fuel System2 Carburetion or
Electronic Sequential Port Fuel Injection (ESPFI)
(single runner, 45 mm throttle bore ESPFI)

DRIVETRAIN
Primary Drive Double row chain, oil bath,
mechanical tensioner, 36/25 ratio
Final Drive Gates carbon fiber reinforced
polychain belt, 32/70 ratio
Clutch 9-Plate, wet
Transmission Five-speed
Overall Ratio:
1st 10.110
2nd 6.958
3rd 4.953
4th 3.862
5th 3.150

CHASSIS
Frame Mild steel, rectangular section backbone
w/ twin down-tubes
Swing Arm Triangular “hard tail” style
Front Fork 41.3 mm, telescopic w/ “beer can” covers
Wheels 16 in. disc front,
16 in. disc rear
Brakes:
Caliper type Dual-piston front and rear
Rotor type (diameter x width): Patented, Uniform Expansion Rotors
Front 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)

PERFORMANCE
Engine Torque (per SAEJ607)3:
North America 85 ft. lbs. @ 3000 rpm (115.0 NM @ 3000 rpm)
International 81 ft. lbs. @ 3100 rpm (110.0 NM @ 3100 rpm)
Lean Angle (per SAEJ1168):
Right 29.2 degrees
Left 27.0 degrees

ELECTRIC
Battery Sealed, maintenance-free, 12-volt, 19 amp-hour, 270 cca
(per Battery Council International rating)
Charging 37-amp permanent magnet alternator w/ solid-state regulator
(481 watts @ 3,000 rpm, 494 watts peak)
Starting 1.2 kw electric w/ Bendix-type engagement
Lights: (As per country regulation)
Headlamp Quartz halogen 55-watt low beam, 60-watt high beam
Tail/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,
and security system (optional)4

STYLING/CONVENIENCE
Engine Trim Powdercoated black w/ chrome covers
Exhaust System Chrome over/under shotgun duals
Oil Tank Chrome "Horseshoe" w/ chrome external oil lines
Ignition Barrel key, tank console-mounted
Foot Supports Full-length operator floorboards w/ heel-toe shift lever
Rear Fender Full coverage
Rear Fender Supports Chrome
Fork Lock Common w/ ignition
Instruments Electronic speedometer w/ odometer and
resettable tripmeter w/ diagnostic readout capabilities
Flasher Hazard warning integrated into turn signal controls

COLORS
Two-Tone Sterling Silver and Vivid Black, Vivid Black, Gunmetal Pearl
Luxury Blue Pearl, Luxury Rich Red Pearl, White Pearl

WARRANTY
Warranty6 12 months (unlimited mileage)
Service Interval First 1,000 miles (1,600 Km);
every 5,000 miles (8,000 Km) thereafter.
— Inspections of certain systems and components are required at 2,500 mile (4,000 Km) intervals —


 

 

 

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