The Harley-Davidson FLSTFB Fat Boy Lo motorcycle specifications include a 1,584 cc (96.66 cu in) engine, a 6-speed gearbox, and a listed weight of 317.5 kg (700 lb).
Key specifications
How the Harley-Davidson FLSTFB Fat Boy Lo 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 33rd 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.
669 mm — taller than about 33% 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.
2,395
2,376
Close to average.
1,638
1,599
Close to average.
669
689
Close to average.
122
128
5% below 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 | 2011 |
|---|---|
| Category | Custom / cruiser |
Engine specifications
| Engine type | V2, four-stroke |
|---|---|
| Displacement | 1,584 cc (96.66 cu in) |
| Torque | 127.0 Nm (12.9 kgf-m or 93.7 ft.lbs) @ 3,000 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 |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Starter | Electric |
| Lubrication | Pressurized, dry-sump |
| Oil capacity | 3.10 L (3.28 US qt) |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Primary Drive: Chain, 34/46 ratio. Final Drive: Belt, 32/66 ratio |
| Clutch | 9-plate, wet |
Chassis and suspension
| Frame | Mild steel tubular frame; rectangular section backbone; stamped, cast, and forged junctions; forged fender supports; MIG welded. |
|---|---|
| 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 |
| Wheels | Black, Bullet Hole Disc Cast Aluminum |
Dimensions and weight
| Dry weight | 317.5 kg (700 lb) |
|---|---|
| Seat height | 669 mm (26.3 inches) |
| Overall length | 2,395 mm (94.3 inches) |
| Wheelbase | 1,638 mm (64.5 inches) |
| Ground clearance | 122 mm (4.8 inches) |
Fuel and emissions
| Fuel capacity | 19.70 L (5.20 US gal) |
|---|
Electrical and instruments
| Electrical | Sealed, maintenance-free, 12V battery. |
|---|---|
| Instruments | Tank-mounted electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, fuel gauge with low fuel warning light and countdown feature, low oil pressure indicator light, engine diagnostics readout, LED indicator lights, 6-speed ind |
Other specifications
| Color options | Vivid Black, Brilliant Silver Pearl, Black Denim, White Hot Denim |
|---|---|
| Exhaust system | Over/under shotgun exhaust with dual mufflers and |
| Price as new | US$ 16299. MSRP depends on country, taxes, accessories, etc. |
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.