14 August. Friday 2026
Harley-Davidson FLSTF Fat Boy - 2006 Specifications and Reviews
The 2006 Harley-Davidson FLSTF Fat Boy is an iconic cruiser renowned for its distinctive wide-set appearance and aggressive styling. This machine appeals to riders seeking classic American character combined with manageable power delivery from its 1442cc V-twin engine. Best known for its fat tires and low-slung profile, it embodies the authentic cruiser experience that defines Harley heritage.
General information | |
| Category | Custom / cruiser |
| Year | 2006 |
| Model | Harley-Davidson FLSTF Fat Boy |
| | |
Engine and Transmission Specifications | |
| Clutch | Multi-plate with diaphragm spring in oil bath |
| Transmission typefinal drive | Belt |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | DOHC |
| Fuel system | Carburettor |
| Bore x stroke | 95.3 x 101.6 mm (3.8 x 4.0 inches) |
| Compression | 8.9:1 |
| Torque | 115.26 |
| Stroke | 4 |
| Engine type | V2 |
| Capacity: | 1442.15 ccm (88.00 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,638 mm (64.5 inches) |
| Ground clearance | 130 mm (5.1 inches) |
| Overall length | 2,395 mm (94.3 inches) |
| Weight incl. oil, gas, etc | 323.9 kg (714.0 pounds) |
| Dry weight | 309.8 kg (683.0 pounds) |
Harley-Davidson FLSTF Fat Boy dimensions and frame | |
| Exhaust system | Chrome, over/under shotgun with shorty duals |
| Rear brakes | Single disc |
| Front brakes | Single disc |
| Rear tyre dimensions | 150/80-B16 |
| Front tyre dimensions | MT90-B16 |
Speed and acceleration | |
| Color options | Vivid black, brilliant silver, black pearl, deep cobalt, glacier white pearl, yellow pearl, brandy wine sunglo, two-tone chopper blue and brilliant silver, two-tone black cherry and black pearl, two-tone fire red pearl and vivid black, two-tone deep cobal |
| Fuel consumption pr. 10 km (6.2 miles) | 5.22 litres (1.38 gallons) |
| Fuel capacity | 18.92 litres (5.00 gallons) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
5.5s
0-60 mph (est.)
Best For
Track5%
City45%
Cornering30%
Daily Riding55%
Touring45%
Passenger55%
Rider Profile
| Best For | Best suited to riders who already have some experience handling heavy, low-slung cruisers at low speed. |
| Purpose | Built for stylish boulevard cruising and short-to-medium rides where image and torque-driven presence matter more than outright speed. |
| Rider Fit | The low seat height is welcoming for shorter riders, but the substantial dry weight demands confident strength and balance at parking-lot speeds. |
| Character | A muscular, classic American cruiser that delivers strong low-end torque and a commanding presence rather than sharp handling or high-rev thrills. |
| Not Ideal For | Not a fit for riders seeking agile cornering, off-road capability, or lightweight everyday maneuverability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
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