Harley-Davidson 1690 SOFTAIL FAT BOY SPECIAL FLSTFB 2017

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The Fat Boy is arguably one of the best known and iconic models in the Harley-Davidson lineup. 20 years after his appearance, a twin brother appeared in 2010, the Fat Boy Special. This model is more like a Fat Boy whose skeleton is soaked in a tray of black paint, where only the exhausts have escaped drowning. In fact, it goes a step further for this big softail trying to join the Dark Customs family. In terms of finish and refinement details, we perceive that the Twin Cam shelters the black between its cooling fins but lets the chrome invade the rest of the mechanics. The ‘mini beach’ stainless steel handlebars are narrower but larger in diameter, accommodating the electric cables inside. The full rims machine-gunned on the perimeter are also covered in black, except on the edge. Same treatment for the headlight, the exhausts and the fork, dark as night, then ending with a touch of stainless steel.

The saddle was hollowed out by 10 mm, which allows it to merge with the bike (according to the manufacturer). For this Fat Boy Special, we will talk more about a ‘trendy’ version. Since 2011, ABS is standard. In 2015, Moco reinforces the will and the capacities of the system. The front disc widens from 292 to 300 mm. The caliper and master cylinder are redesigned, the latter also benefiting from a performance-enhancing design. With the high friction material of the pads, the effort required on the lever is reduced almost in half. Harley announces 40% less for optimal braking.
Since 2016, an even more fat and optimized engine largely justifies this name. All Softails, and therefore the Fat Boy Special, are equipped with the Block 103 High Output version. This Twin Cam offers 1690 cm3 of displacement, a few more horsepower, and a nice slice of torque of almost 13 mkg. Darker than the Fat Boy, this Special plays it casual ‘, classic, with a silhouette that hits the mark every time..

What you must remember

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Prices

21,850 €

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Opinion

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Replaces

1690 SOFTAIL FAT BOY SPECIAL FLSTFB 2016

Model marketed in

2012
2013
2014
2015
2016
2017

Performances

• Max speed:
  about 170 km / h
• Consumption
  medium: 5.60 l

The technical aspect

Harley-Davidson 1690 SOFTAIL FAT BOY SPECIAL FLSTFB 2017

• Frame
• Frame: tubular steel, rectangular main beam
• Tank: 18.9 liters
• Seat height: 670 mm
• Length: 2385 mm
• Width: 990 mm
• Height: 1,095 mm
• Wheelbase: 1,630 mm
• Dry weight: 320 kg
• Operating weight: 332 kg

• Train before
• telescopic fork Ø 41.3 mm, deb: 130 mm
• Single disc Ø 300 mm, 4 piston caliper
• Front wheel:

  140/75
  – 17

• Transmission
• 6-speed, Cruise Drive with helical gear
• secondary by toothed belt

• Rear axle
• Concealed horizontal single shock absorber, deb: 112 mm
• Single disc Ø 292 mm, 2 piston caliper
• Rear wheel:

  200/55
  – 17

• Motor
• Twin cylinder
  in V at 45 °
  , 4 stroke
• Cooling: Air cooling
• ESPFI sequential injection
• 2 ACT, tumbled
• 2 valves per cylinder
• 1,690 cc
  (98.4 x 111.1 mm)
• 78
  ch
  at 5,020 rpm
• 12.80 mkg
  at 3000 rpm
• Weight ratio /
  power
  : 4.10
  kg / hp
• Compression: 9.7: 1
• Crit’air:
• Motorcycle accessible to A2 license or bridle at 47.5hp / 35 Kw

Detached pieces

exhaust
motor
fluid
electricity

filtration
braking
chain kit

Competitors

Gallery

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