One of the manufacturer’s most emblematic machines. Its timeless design, perfectly identified with the interpretation of a Harley, crosses time without taking a wrinkle or an ounce of variation.
Till today. This piece of stylistic marble and steel patting history did not resist a designer daring. The Fat Boy is even more Fat, and his forehead is now more neo than retro..
We had to dare. And Harley dared. The facies of the new Fat Boy will shake more than one. Always flipped, the lighthouse clearly switches to modernism. With a faint souvenir of Suzuki VZR 1800 Intruder. A breath of impertinence that only touched the crotch, leaving the entire silhouette in its comfortable wadding of conformism. A zest all the same for the rims, strong with an American muscle-car style. Its tires get monstrous: 240 at the rear, and a 160 at the front – the widest ever on a production H-D. Once a Terminator mount, the Fat Boy looked best in Fast & Furious.
An effrontery that the motorcycle can fully assume by the transplant of the new Milwaukee Eight engine. With 1745 cm3, the cylinders can widely distribute large torque. More than 14.8 mkg strive to martyr the rear gommard, brought to 240 mm wide (+ 40 mm). This is not less than 2 mkg of gained since the Twin Cam 103. Perhaps the purists will cough knowing that 4 valves stir per cylinder. But this modern block, designed to last / evolve, will bring a smile to use. For a few more tickets, the 114 ci can be installed as an option..
Fat Boy at heart and Softail in technique. As a result, the machine benefits from the big evolution made by Harley. The frame, redesigned, reinforced and lightened, requires 50% less parts and 22% less welds. Lighter of almost 6 kilos, it is especially stiffer by 65%. This ultimately leads to overall chassis stiffness improved by 34%.
A better for heading, enhanced by the new suspensions. The rear is completely revised with a mono-shock (with easy adjustment of the preload) while the front recovers the fork of the Touring models. To conclude, and taking the opposite of its name, the new generation Fat Boy loses weight. Technical developments will have removed 16 kilos.
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1690 SOFTAIL FAT BOY FLSTF 2017
Model marketed in
medium: 5.50 l
about 160 km / h
The technical aspect
Harley-Davidson 1745 SOFTAIL FAT BOY FLFB 2018
- Tank: 18.9 liters
- Width: 985 mm
- Height: 1,095 mm
- Wheelbase: 1,665 mm
- Dry weight: 304 kg
- Weight in running order: 317 kg
- Train before
- Secondary toothed belt transmission
- Rear axle
(100 x 111.1 mm)
at 3000 rpm