The Harley-Davidson FLSTFB Sportster Fat Boy Special motorcycle specifications include a 1,584 cc (96.66 cu in) engine, a 6-speed gearbox, and a listed weight of 313 kg (690 lb).
Key specifications
How the Harley-Davidson FLSTFB Sportster Fat Boy Special compares
This compares the motorcycle with all Harley-Davidson models in this specifications database. The blue marker is this model and the grey line is the Harley-Davidson database average.
About 24% higher than the Harley-Davidson database average. Around the 78th percentile across Harley-Davidson models.
Very close to the Harley-Davidson database average. Around the 48th percentile across Harley-Davidson models.
About 16% larger than the Harley-Davidson database average. Around the 82nd percentile across Harley-Davidson models.
Harley-Davidson database percentile rankings
Percentiles show where this motorcycle sits across the Harley-Davidson specifications database. They are descriptive database rankings, not performance ratings.
1,584 cc — larger displacement than about 78% of Harley-Davidson models.
680 mm — taller than about 48% of Harley-Davidson models.
19.7 L — larger than about 82% of Harley-Davidson fuel tanks in this database.
Dimensions compared with Harley-Davidson average
Each measurement is compared with the average value across Harley-Davidson models where that dimension is available.
2,385
2,376
Close to average.
1,630
1,599
Close to average.
680
689
Close to average.
125
128
Close to average.
Mechanical overview
Additional useful specifications
| Front tire size | 140/75-R17 |
|---|---|
| Rear tire size | 200/55-R17 |
| Engine oil capacity | 3.10 L (3.28 US qt) |
| Bore/stroke ratio | 0.86:1 (Undersquare) |
Model information
| Year released | 2010 |
|---|
Engine specifications
| Engine type | V2, four-stroke |
|---|---|
| Displacement | 1,584 cc (96.66 cu in) |
| Torque | 125.0 Nm (12.7 kgf-m or 92.2 ft.lbs) @ 3,500 rpm |
| Bore × stroke | 95.3 x 111.1 mm (3.8 x 4.4 inches) |
| Compression ratio | 9.2:1 |
| Valves per cylinder | 2.0 |
| Cooling system | Air |
| Fuel system | Injection. Electronic Sequential Port Fuel Injection |
| Starter | Electric |
| Oil capacity | 3.10 L (3.28 US qt) |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Belt (final drive) |
| Clutch | 9-plate, wet |
Chassis and suspension
| Front suspension | 41.3mm telescopic, “beer can” covers |
|---|---|
| Rear suspension | Hidden, horizontal-mounted, coil-over |
| Front wheel travel | 130 mm (5.1 inches) |
| Rear wheel travel | 91 mm (3.6 inches) |
| Rake | 32.0° |
| Trail | 147 mm (5.8 inches) |
Brakes, wheels and tires
| Front brakes | Single disc. 4-piston |
|---|---|
| Rear brakes | Single disc. 2-piston |
| Front tire | 140/75-R17 |
| Rear tire | 200/55-R17 |
Dimensions and weight
| Dry weight | 313 kg (690 lb) |
|---|---|
| Seat height | 680 mm (26.8 inches) |
| Overall length | 2,385 mm (93.9 inches) |
| Wheelbase | 1,630 mm (64.2 inches) |
| Ground clearance | 125 mm (4.9 inches) |
Fuel and emissions
| Fuel capacity | 19.70 L (5.20 US gal) |
|---|
Other specifications
| Color options | Vivid Black, Black Denim |
|---|---|
| Exhaust system | Over/under shotgun exhaust with dual mufflers and |
| Price as new | US$ 16299. MSRP depends on country, taxes, accessories, etc. |
| Comments | Dark, slammed appearance with satin chrome accents; Denim Black frame and swingarm; Low and narrow cut seat; Stainless steel mini beach handlebars with internal wiring; Half-moon black rider footboards; Distinctive satin finished tank medallion; Fuel tank panel with H-D medallion |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Harley-Davidson models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Harley-Davidson information before relying on them. Visit the official Harley-Davidson website.