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 2001
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

Who said you needed dozens of horsepower and a featherweight build to write a legend? Look at this machine, listen to its gargantuan V-Twin, and you’ll understand that the Harley-Davidson FLSTF Fat Boy doesn’t play in the same league. It never wanted to. Launched in 1991, it froze an icon into steel, far larger than its 319 kg when fully fueled. Its appearance is a declaration of war against subtlety: massive solid rims, a unique round headlight like a spotlight, a bulging tank that would make a shield pale. It is the archetype of the American custom, a block of character on two wheels. And cinema has made it a worldwide star, even if the heads-up display of the Terminator occasionally glitched: contrary to what the screen shows in the film, Schwarzenegger’s motorcycle was indeed a 1991 Fat Boy. Not a replica, the original.

Harley-Davidson FLSTF Fat Boy

To ride it, forget everything you know about agility. Here, you govern. The wide handlebar and the seat at 64.5 cm from the ground give the impression of a rolling throne, but you must anticipate. With a long wheelbase and this low-slung weight, it leans with majestic slowness. The 1450 cm3 Twin Cam 88 engine is the soul of the beast. Don’t be fooled by the 63 horsepower; it’s a misleading reading. The magic happens at 3200 rpm, where the 104 Nm of torque unfolds like a tidal wave, pushing this mass forward with a deafening and continuous authority. It’s a propulsion, not an acceleration. On the highway, it swallows straight lines, cruising around 130 km/h, its 19-liter tank offering respectable range for a peaceful ride.

But don’t ask it to do the impossible. The rear suspension, hidden under the faux rigid frame typical of Softails, is more concerned with style than with potholes. The single disc brakes, although equipped with four-piston calipers, must manage a lot of weight and require firm pressure. And those wide footpegs? They will quickly remind you of the limits of lean angle if you venture into a slightly too greedy corner. It’s a machine for open roads, wide avenues, road trips where you savor the journey more than top speed, which peaks around 160 km/h.

So, who is the Harley-Davidson FLSTF Fat Boy for? Certainly not for the hurried track rider or the novice seeking ease. It is the motorcycle of the aesthete, the globetrotter who places sensation and image above pure performance. It is a rolling object, a kinetic sculpture that provides a feeling of unwavering power. For a little over 20,000 euros at the time, you weren’t buying a simple motorcycle, you were acquiring a piece of mythology. A motorcycle that, even today, commands respect through its mere presence. You don’t ride it, you experience it.

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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