Harley-Davidson FLSTFB Fat Boy Lo - Specifications & Review

FLSTFB Fat Boy Lo

Article Complete Info

Articleid435910
CategoryCustom-cruiser
MakeHarley-Davidson
ModelFLSTFB Fat Boy Lo
PriceUS$ 16299. Prices depend on country, taxes, accessories, etc.
Year2011

Chassis, Suspension, Brakes & Wheels

FrametypeMild steel tubular frame; rectangular section backbone; stamped, cast, and forged junctions; forged fender supports; MIG welded.
FrontbrakesSingle disc. 4-piston
Frontbrakesdiameter292 mm (11.5 inches)
Frontsuspension41.3mm telescopic, “beer can” covers
Fronttyre140/75-R17
Frontwheeltravel130 mm (5.1 inches)
Rake32.0°
RearbrakesSingle disc. 2-piston
Rearbrakesdiameter292 mm (11.5 inches)
RearsuspensionHidden, horizontal-mounted, coil-over
Reartyre200/55-R17
Rearwheeltravel91 mm (3.6 inches)
Trail147 mm (5.8 inches)
WheelsBlack, Bullet Hole Disc Cast Aluminum

Engine & Transmission

Borexstroke95.3 x 111.1 mm (3.8 x 4.4 inches)
Clutch9-plate, wet
Compression9.2:1
CoolingsystemAir
Displacement1584.00 ccm (96.66 cubic inches)
DrivelinePrimary Drive: Chain, 34/46 ratio. Final Drive: Belt, 32/66 ratio
EnginedetailsV2, four-stroke
EnginetypeTwin Cam 96B
ExhaustsystemOver/under shotgun exhaust with dual mufflers and
FuelsystemInjection. Electronic Sequential Port Fuel Injection
Gearbox6-speed
LubricationsystemPressurized, dry-sump
Torque127.00 Nm (12.9 kgf-m or 93.7 ft.lbs) @ 3000 RPM
Valvespercylinder2

Other Specifications

ColoroptionsVivid Black, Brilliant Silver Pearl, Black Denim, White Hot Denim
ElectricalSealed, maintenance-free, 12V battery.
InstrumentsTank-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
StarterElectric

Physical Measures & Capacities

Dryweight317.5 kg (700.0 pounds)
Fuelcapacity19.70 litres (5.20 gallons)
Groundclearance122 mm (4.8 inches)
Oilcapacity3.10 litres (0.20 quarts)
Overalllength2,395 mm (94.3 inches)
Seatheight669 mm (26.3 inches) If adjustable, lowest setting.

About Harley-Davidson

Country of Origin: United States
Founder: William S. Harley, Arthur Davidson, Walter Davidson, William A. Davidson
Best Known For: V-twin cruisers, touring icons, H-D culture; also LiveWire electric spinoff

Company History

Founded in Milwaukee in 1903, Harley-Davidson grew from backyard shed to global symbol. Early board-trackers and military machines proved durability; postwar big twins defined American road culture with a cadence and silhouette that became shorthand for freedom. The company professionalized long-distance comfort—Electra Glide fairings, air shocks, and later sophisticated infotainment—while keeping a mechanical identity built on a 45° V-twin heartbeat. Harley also navigated reinvention: the Evolution engine restored reliability in the 1980s; rubber mounting tamed vibes; and fuel injection, ABS, and ride-by-wire brought modernity. The brand’s culture—H.O.G. rides, dealer events, customization—turns ownership into community. Recent decades saw expansion into liquid-cooled performance (Revolution X) and true adventure/sport segments (Pan America, Sportster S), while LiveWire broke ground in electric motorcycling. Historically, Harley’s significance extends beyond machines: it’s a maker of rituals and myth, exporting an American idea of the open road. The tension between heritage and innovation defines each new model year, but the throughline is tactile connection—torque-rich roll-on, slow idle, and a sense that the bike has a pulse.

Other Years

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