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Home > Motorcycle specifications > The Harley-Davidson brand > Harley-Davidson 2011 > 1584 FLSTFB Fat Boy Special 2011

Motorcycle specifications Harley-Davidson1584 FLSTFB Fat Boy Special 2011 Shining in the land of shadows

Cruiser
Photo of Harley-Davidson 1584 FLSTFB Fat Boy Special 2011

presentation of the 1584 FLSTFB Fat Boy Special 2011

the Fat Boy is certainly one of the best-known and most emblematic models in the Harley-Davidson range. 20 years after its appearance, a twin brother appeared in 2010, the Fat Boy Special. Presented as a novelty, this model is more like a Fat Boy dipped in a tub of black paint, with only the exhaust escaping from the drowning. In fact, there's a bit more to this big softail that's trying to join the Dark Customs family. In terms of finish and refinement details, the Twin Cam 96B houses black between its cooling fins, but lets chrome invade the rest of the mechanics. The stainless-steel "mini beach" handlebars are narrower but larger in diameter, housing the electrical cables inside. The full rims are also covered in black, except for the rim. Same treatment for the headlight, exhausts and fork, dark as night, then finished off with a touch of stainless steel. The seat has been hollowed out by 10 mm, allowing the new handlebars to merge with the bike (according to the manufacturer). This Fat Boy Special is not so much a new model as a 'trendy' version. For 2011, ABS is now standard.

m.B - Manufacturer's photos

Insurance
Harley-Davidson 1584 FLSTFB Fat Boy Special 2011 - 1Harley-Davidson 1584 FLSTFB Fat Boy Special 2011 - 1
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Key facts Harley-Davidson 1584 FLSTFB Fat Boy Special (2011) : What you need to know before you buy

Highlights

  • Dark side
  • Imposing machine
  • Twin Cam temperament

Weak points

  • Sacrificial passenger
  • Ground clearance
  • Box selection
  • Freinage

Prices

Basic version
flag FranceFrance
20,790€

Bikers' reviews

of 7 reviews

Model sold in 2010 2011

Replaced by

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1690 SOFTAIL FAT BOY SPECIAL FLSTFB 2012

Performance

  • Max speed : approximately 170 km/h (105.60 mph)

Specifications Harley-Davidson 1584 FLSTFB Fat Boy Special 2011

Chassis
Frame : tubular steel, rectangular main beam
Fuel capacity : 19.70 liters (5.20 US gallons)
Seat height : 680 mm (26.77 in)
Length : 2,385 mm (93.90 in)
Wheelbase : 1,630 mm (64.17 in)
Dry weight : 313 kg (690 lb)
Weight when fully loaded : 330 kg (728 lb)
Front axle
telescopic fork Ø 41.3 mm, Wheel travel : 130 mm (5.12 in)
Braking 1 disc Ø 292 mm (11.5 in), 4-piston caliper
Front tire : 140 / 75 - 17 → Order this type of tire
Transmission
6 stage gearbox , Cruise Drive with helical pinion
Secondary belt drive
Rear axle
Masked horizontal monoshock, Wheel travel : 91 mm (3.58 in)
Braking 1 disc Ø 292 mm (11.5 in), 2-piston caliper
Rear tire : 200 / 55 - 17 → Order this type of tire
Motor
two-cylinder 45° V-shaped , 4 strokes
Injection
Cooling system : by air
2 ACT, culbuté
2 valves per cylinder
1,584 cc
71 ch (70 hp) to 5,300 rpm
12.50 mkg to 3,500 rpm
Power-to-weight ratio : 4.47 kg/ch
Weight / torque ratio : 25.04 kg/mkg
Compression : 9.2 : 1
Practical information
Take care of your motorcycle! Find all the parts and maintenance products you need to keep your bike in top condition.
motor fluid exhaust Chain kit electricity filtration braking Tires
Motorcyle equipment adapted for all members of the family and security elements.

Models

2011

2010

Compare the 1584 FLSTFB Fat Boy Special to its competitors

Torque

Harley-Davidson 1584 FLSTFB Fat Boy Special 2011 : 12.5 mkg
Yamaha XV 1900 A MIDNIGHT STAR 2011 : 17.1 mkg
Kawasaki VN 1700 Classic 2011 : 13.7 mkg
Honda VT 1300 CX FURY 2011 : 10.9 mkg
Saxon 1600 HENCHMAN 2011 : 12 mkg
Triumph 1600 Thunderbird 2011 : 14.6 mkg

Power

Harley-Davidson 1584 FLSTFB Fat Boy Special 2011 : 71 ch (70 hp)
Yamaha XV 1900 A MIDNIGHT STAR 2011 : 100 ch (98.60 hp)
Kawasaki VN 1700 Classic 2011 : 74 ch (73 hp)
Honda VT 1300 CX FURY 2011 : 56 ch (55.20 hp)
Saxon 1600 HENCHMAN 2011 : 85 ch (83.80 hp)
Triumph 1600 Thunderbird 2011 : 86 ch (84.80 hp)

Power-to-Weight ratio

Harley-Davidson 1584 FLSTFB Fat Boy Special 2011 : 4.47 kg/ch
Yamaha XV 1900 A MIDNIGHT STAR 2011 : 3.25 kg/ch
Kawasaki VN 1700 Classic 2011 : 4.49 kg/ch *
Honda VT 1300 CX FURY 2011 : 5.28 kg/ch *
Saxon 1600 HENCHMAN 2011 : 3.1 kg/ch
Triumph 1600 Thunderbird 2011 : 3.63 kg/ch

Torque-to-Weight ratio

Harley-Davidson 1584 FLSTFB Fat Boy Special 2011 : 25.04 kg/mkg
Yamaha XV 1900 A MIDNIGHT STAR 2011 : 18.71 kg/mkg
Kawasaki VN 1700 Classic 2011 : 23.93 kg/mkg *
Honda VT 1300 CX FURY 2011 : 26.72 kg/mkg *
Saxon 1600 HENCHMAN 2011 : 21.67 kg/mkg
Triumph 1600 Thunderbird 2011 : 21.1 kg/mkg

Speed

Harley-Davidson 1584 FLSTFB Fat Boy Special 2011 : approximately 170 km/h (105.60 mph)
Yamaha XV 1900 A MIDNIGHT STAR 2011 : over 210 km/h (130.50 mph)
Kawasaki VN 1700 Classic 2011 : approximately 180 km/h (111.80 mph)
Honda VT 1300 CX FURY 2011 : approximately 180 km/h (111.80 mph)
Saxon 1600 HENCHMAN 2011 : approximately 160 km/h (99.40 mph)
Triumph 1600 Thunderbird 2011 : approximately 200 km/h (124.30 mph)
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Bikers' reviews Leave a review - 7 reviews

Fat boy low 2010
French Tyrex Model 2010
I love my bike, but the brakes are a real problem. Not enough power for such a heavy bike Rating : 4/5
French Thierry Model 2010
Very good machine! !!!! Economical , reliable, some would say the 1st one slams a bit, I don't know any Harley where the 1st one doesn't slam. This is my 3rd fat boy 😉☺ Rating : 5/5
modèle de la courroie
French RAPHAEL Model 2010
Bjr what is the model of the secondary belt for the fat boy lo 2010?
thanks Rating : 5/5
panne
French Model 2011
the ECU at 24000km to change??????????????? Rating : 5/5
fiche technique
French tafai Model 2010
can I have the technical specifications of this bike or can I order it? Rating : 5/5
French pepere Model 2010
very nice bike, bought a year ago and still a lot of fun to ride. just great! Rating : 5/5
French Essos Model 2010
i've got one, and I'm extremely happy with it, it's stable, very good on the road, a real pleasure. Rating : 5/5
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FAQ Your frequently asked questions about the 1584 FLSTFB Fat Boy Special 2011

What is the power of the 1584 FLSTFB Fat Boy Special 2011?
The 1584 FLSTFB Fat Boy Special 2011 develops a power of 71 ch (70 hp)
What is the torque of the 1584 FLSTFB Fat Boy Special 2011?
The maximum torque of the 1584 FLSTFB Fat Boy Special 2011 is 12.50 mkg to 3,500 rpm.
What is the maximum speed of the 1584 FLSTFB Fat Boy Special 2011?
The 1584 FLSTFB Fat Boy Special 2011 is capable of reaching a top speed of approximately 170 km/h (105.60 mph) on the track.
What is the weight of the 1584 FLSTFB Fat Boy Special 2011?
The 1584 FLSTFB Fat Boy Special 2011 has a a dry weight of 313 kg (690 lb), a weight when fully loaded of 330 kg (728 lb).
QWhat is the seat height of the 1584 FLSTFB Fat Boy Special 2011?
To ensure good accessibility, the 1584 FLSTFB Fat Boy Special 2011 offers a minimum seat height of 680 mm (26.77 in).
What is the price of the 1584 FLSTFB Fat Boy Special 2011?
The price of the 1584 FLSTFB Fat Boy Special 2011 is 20,790€ in France

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