14 August. Friday 2026
Harley-Davidson FLSTFB Fat Boy Special - 2012 Specifications and Reviews
The 2012 Harley-Davidson FLSTFB Fat Boy Special is an iconic cruiser designed for riders seeking classic American styling with modern reliability. Known for its aggressive stance, distinctive bullet-hole disc wheels, and low-slung seating position, it delivers the authentic cruiser experience. The powerful engine paired with a 6-speed transmission makes it ideal for both highway cruising and city riding.
2012
General information | |
| Category | Custom / cruiser |
| Year | 2012 |
| Model | Harley-Davidson FLSTFB Fat Boy Special |
Engine and Transmission Specifications | |
| Clutch | Multi-plate with diaphragm spring in oil bath |
| Transmission type,final drive | Belt |
| Gearbox | 6-speed |
| Cooling system | Air |
| Fuel system | Injection. Electronic Sequential Port Fuel Injection (ESPFI) |
| Bore x stroke | 98.4 x 111.1 mm (3.9 x 4.4 inches) |
| Compression | 9.6:1 |
| Engine details | Twin Cam 103B |
| Engine type | V2, four-stroke |
| Capacity: | 1690.00 ccm (103.12 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Black, Bullet Hole Disc Cast Aluminum |
| Rear brakes | Single disc |
| Front brakes | Double disc |
| Rear tyre dimensions | 200/55-R17 |
| Front tyre dimensions | 140/75-R17 |
| Trail | 147 mm (5.8 inches) |
| Rake (fork angle) | 31.6° |
| | |
Physical measures and capacities | |
| Oil capacity | 3.10 litres (0.20 quarts) |
| Fuel capacity | 18.90 litres (4.99 gallons) |
| Wheelbase | 1,630 mm (64.2 inches) |
| Ground clearance | 125 mm (4.9 inches) |
| Overall length | 2,390 mm (94.1 inches) |
| Weight incl. oil, gas, etc | 330.0 kg (727.5 pounds) |
| Dry weight | 313.0 kg (690.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Instruments | High beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings |
| Starter | Electric |
Performance Profile & Rider Fit
5.5s
0-60 mph (est.)
Best For
Track10%
City45%
Cornering30%
Daily Riding55%
Touring55%
Passenger50%
Rider Profile
| Best For | Best suited to riders who already have some experience handling heavy, low-slung cruisers at low speed. |
| Purpose | Built for laid-back boulevard cruising and style-driven weekend rides rather than outright performance. |
| Rider Fit | Its substantial dry weight and long wheelbase demand confident strength and balance at parking-lot speeds. |
| Character | A bold, muscular custom cruiser that rewards relaxed throttle-rolling torque over aggressive cornering. |
| Not Ideal For | Not a good fit for riders seeking sharp handling, off-road capability, or high-speed sport performance. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
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