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 2003 2005
Torque
106.0 Nm @ 3500 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
8.8:1 8.9 : 1
Bore × stroke
95.3 x 101.6 mm (3.8 x 4.0 inches) 95.3 x 101.6 mm
Fuel system
Carburettor Injection
Final drive
Belt   (final drive) Courroie
Seat height
699.00 mm 645.00 mm
Wheelbase
1630.00 mm
Ground clearance
123.00 mm
Length
2396.00 mm
Fuel capacity
19.70 L 18.90 L
Dry weight
320.00 kg 302.00 kg

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

Can you still talk about motorcycles without mentioning the Fat Boy? This 319 kg behemoth, with its full wheels and faux rigid frame, became an icon long before a certain Terminator made it his legendary mount. Contrary to what the heads-up display in the film shows, the motorcycle presented is actually a 1991 Harley-Davidson FLSTF Fat Boy, a detail that further sanctifies this machine. It's not just a motorcycle; it's a symbol, a block of metal and history that rolls.

Harley-Davidson FLSTF Fat Boy

Technically, it delivers figures that would surprise a modern racer: only 63 horsepower, but a torque of 104 Nm available from 3200 rpm. This Twin Cam 88 B, with its 1449 cc, doesn't aim for performance but for sensation. It pushes, it growls, it imposes a cadence. The five-speed gearbox and belt drive are part of the ritual, while the 18.9-liter fuel tank reminds you that this machine is made for long roads, not for nervous commutes.

On the road, the Fat Boy is a living contradiction. Its wide handlebar and 645 mm seat give it a deceptive docility. The weight, concentrated low, offers reassuring stability. But as soon as you seek a bit of lean angle, the wide footpegs scrape the asphalt with disconcerting speed. It's a motorcycle that imposes its rhythm, that dictates its driving style. The suspensions, with their modest travel, are clearly oriented towards comfort on the highway rather than precision in curves. The double 292 mm disc brakes are correct for the time, but they require anticipation when facing the mass in motion.

Compared to Japanese or European cruisers of the same period, the Harley-Davidson FLSTF Fat Boy doesn't play on the same field. It doesn't offer excessive power, surgical handling, or stylistic aggressiveness. Its value lies elsewhere: in this raw aesthetics, these gleaming chrome accents, this silhouette that seems to have come from another time. It is made for the traveler who seeks a presence, an identity, a machine with which he forms a duo. It's a motorcycle of character, not of numbers.

Today, with a price that exceeded 20,000 euros at its launch, it remains a desirable object for purists and collectors. It is not suitable for beginners, intimidated by its weight and physique. It is the antithesis of the modern, lightweight, and efficient motorcycle. But for those who accept its limitations and seek a unique sensory experience, the Fat Boy remains an irresistible proposition. It is the culmination of a philosophy where emotion takes precedence over performance, where style is an end in itself.

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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