Key performance

63 ch
Power
🔧
1449 cc
Displacement
⚖️
319 kg
Weight
🏎️
160 km/h
Top speed
💺
645 mm
Seat height
18.9 L
Fuel capacity
💰
20 445 €
New price
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Technical specifications

Changements 1999 2004
Displacement
1338 cc 1449 cc
Power
56.0 ch @ 5000 tr/min (40.9 kW) 63.0 ch @ 5300 tr/min (46.3 kW)
Torque
97.0 Nm @ 2350 tr/min 104.0 Nm @ 3200 tr/min
Engine type
V2, four-stroke Bicylindre en V à 45°, 4 temps
Cooling
Air par air
Compression ratio
8.5:1 8.9 : 1
Bore × stroke
88.8 x 108.0 mm (3.5 x 4.3 inches) 95.3 x 101.6 mm
Fuel system
Carburettor Injection
Valve timing
Overhead Valves (OHV)
Lubrication
Dry sump, internally mounted, crank driven gerotor pressure and dual scavenge pump.
Ignition
Single-fire, non-wasted, map-controlled spark ignition
Starter
Electric
Frame
Double berceau tubulaire en acier
Gearbox
5-speed boîte à 5 rapports
Final drive
Belt   (final drive) Courroie
Clutch
 Wet 9-plate
Front suspension
41.3 mm Fourche telescopique Ø 41 mm, déb : 142 mm
Rear suspension
Hidden, horizontal-mounted, coil-over shock 2 amortisseurs sous le moteur, déb : 103 mm
Front wheel travel
129 mm (5.1 inches)
Rear wheel travel
103 mm (4.1 inches)
Front brakes
Single disc. Four-piston calipers. Freinage 1 disque Ø 292 mm, étrier 4 pistons
Rear brakes
Single disc. Four-piston calipers. Freinage 1 disque Ø 292 mm, étrier 4 pistons
Front tyre
130/90-16 130/90-16
Front tyre pressure
2.48 bar
Rear tyre
130/90-16 130/90-16
Rear tyre pressure
2.90 bar
Seat height
680.00 mm 645.00 mm
Wheelbase
1632.00 mm
Ground clearance
130.00 mm
Length
2395.00 mm
Fuel capacity
15.90 L 18.90 L
Weight
305.00 kg 319.00 kg
Dry weight
310.00 kg 302.00 kg
New price
20 445 €

Engine

Displacement
1449 cc
Power
63.0 ch @ 5300 tr/min (46.3 kW)
Torque
104.0 Nm @ 3200 tr/min
Engine type
Bicylindre en V à 45°, 4 temps
Cooling
par air
Compression ratio
8.9 : 1
Bore × stroke
95.3 x 101.6 mm
Valves/cylinder
2
Fuel system
Injection

Chassis

Frame
Double berceau tubulaire en acier
Gearbox
boîte à 5 rapports
Final drive
Courroie
Front suspension
Fourche telescopique Ø 41 mm, déb : 142 mm
Rear suspension
2 amortisseurs sous le moteur, déb : 103 mm

Brakes

Front brakes
Freinage 1 disque Ø 292 mm, étrier 4 pistons
Rear brakes
Freinage 1 disque Ø 292 mm, étrier 4 pistons
Front tyre
130/90-16
Front tyre pressure
2.48 bar
Rear tyre
130/90-16
Rear tyre pressure
2.90 bar

Dimensions

Seat height
645.00 mm
Fuel capacity
18.90 L
Weight
319.00 kg
Dry weight
302.00 kg
New price
20 445 €

Overview

Who hasn't felt that thrill seeing this steel giant emerge from the flames, ridden by an impassive Terminator? The heads-up display in the film claimed to show a futuristic Harley-Davidson “Fat Boy,” but the reality was just as iconic. The machine ridden by Arnold Schwarzenegger was actually a 1991 Harley-Davidson FLSTF Fat Boy, a model already considered legendary that definitively cemented this silhouette in the collective imagination. Far from special effects, its physical presence is a statement.

Harley-Davidson FLSTF Fat Boy

And what a presence. The FLSTF Fat Boy is first and foremost a posture. With its 319 kg when fully fueled and a seat 64.5 cm from the ground, it establishes itself in the landscape with the authority of an engine block. The full wheels, the single headlight, and this wide handlebar impose a retro style that proclaims its heritage. Beneath this typical Softail faux rigid frame beats the Twin Cam 88 of 1450 cm3. The figures? 63 horsepower at 5300 rpm and especially 104 Nm of torque available from 3200 rpm. That's where its soul lies: a heavy, constant surge, a wave of traction that seems inexhaustible, perfect for swallowing asphalt without rushing.

This 2004 version benefited from notable improvements compared to the early years. The balance shaft calmed the vibrations of the V-twin engine, making long journeys less exhausting. The rear suspension was reworked for better absorption, and the dual 292 mm disc brakes, although requiring a firm grip on the lever given the mass, offer a worthy stopping power. But don't be fooled, the Fat Boy is not a sportbike. Its lean angle is severely limited by its wide footpegs, which scrape at the slightest provocation. It is piloted with anticipation, by a calm master who dominates the road by presence more than by agility.

Who is it for? For the traveler who seeks appearance more than pure performance, for the aesthete for whom chrome and the “factory custom” style are a religion. At over 20,000 euros at the time, it was an investment in a piece of American legend. Compared to a more responsive and lighter Japanese cruiser, the Fat Boy seems slow and cumbersome. But that is precisely its strength. It is not made to scrape the knee, but to embody an idea, that of the endless road and the deep rumble that resonates in the chest. It is a machine of raw sensations, a rolling monument that, unlike what the Terminator’s display shows, needs no visual effect to leave a lasting impression.

Practical info

  • La moto est accessible aux permis : A

Indicators & positioning

Weight-to-power ratio
0.19 ch/kg
🔄
Torque / weight
0.33 Nm/kg
🔧
Volumetric power
42.9 ch/L
In category Custom / cruiser · 725-2898cc displacement (3428 motorcycles compared)
Power 62 ch Top 67%
46 ch median 74 ch 140 ch
Weight 319 kg Lighter than 33%
226 kg median 300 kg 378 kg
P/W ratio 0.19 ch/kg Top 82%
0.18 median 0.25 0.41 ch/kg

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