Motorcycles Specs > Harley-Davidson > Harley-Davidson FLSTFB Softail Fat Boy Lo

Harley-Davidson FLSTFB Softail Fat Boy Lo Specs

(2012)
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Key Specs

V2, four-stroke
102.9 cu-in
1687.97 cm3
6-speed
730 lbs
/ 331.6 kg

Harley-Davidson FLSTFB Softail Fat Boy Lo General Information

Brand Harley-Davidson 
Model Harley-Davidson FLSTFB Softail Fat Boy Lo 
Start year 2012 
Year 2012 
Category Custom / cruiser 
Factory Warranty (Years / miles) 2 years, unlimited mileage. 

Harley-Davidson FLSTFB Softail Fat Boy Lo Dimensions, Aerodynamics and weight

Frame type Mild steel tubular frame; rectangular section backbone; stamped, cast, and forged junctions; forged fender supports; MIG welded 
Seat details
Wheelbase 1,638 mm (64.5 inches) 
Length 2,395 mm (94.3 inches) 
Width
Height
Seat Height 616 mm (24.3 inches) If adjustable, lowest setting. 
Alternate Seat Height
Ground Clearance 122 mm (4.8 inches) 
Trail size 147 mm (5.8 inches) 
Wheels details Black, Bullet Hole Disc Cast Aluminum 
Front Tyres - Rims dimensions 140/75-R17 
Rear Tyres - Rims dimensions 200/55-R17 
Front brakes Single disc. 4-piston caliper. Optional ABS. 
Rear brakes Single disc. 2-piston caliper. Optional ABS. 
Front Brakes Dimensions - Disc Dimensions 292 mm (11.5 inches) 
Rear Brakes Dimensions - Disc Dimensions 292 mm (11.5 inches) 
Curb Weight (including fluids) 331.6 kg (731.0 pounds) 
Dry Weight 317.5 kg (700.0 pounds) 
Front Percentage of Weight
Rear Percentage of Weight
Weight-Power Output Ratio :
Fuel Tank Capacity 18.93 litres (5.00 gallons) 
Reserve Fuel Capacity
Carrying Details and Capacity
Front Suspension
Front Suspension Travel 130 mm (5.1 inches) 
Rear Suspension Hidden, horizontal-mounted, coil-over 
Rear Suspension Travel 91 mm (3.6 inches) 

Harley-Davidson FLSTFB Softail Fat Boy Lo Engine and Transmission Technical Data

Engine type - Number of cylinders V2, four-stroke 
Engine details
Fuel system Injection. Electronic Sequential Port Fuel Injection (ESPFI) 
Engine size - Displacement - Engine capacity 1687.97 ccm (103.00 cubic inches) 
Bore x Stroke 98.4 x 111.3 mm (3.9 x 4.4 inches) 
Compression Ratio 9.6:1 
Number of valves per cylinder
Camshaft Valvetrain Configuration DOHC 
Maximum power - Output - Horsepower
Maximum torque 133.84 Nm (13.6 kgf-m or 98.7 ft.lbs) @ 3000 RPM 
Engine Maximum RPM
Cooling system Air 
Lubrication system Pressurized, dry-sump 
Engine oil capacity 3.30 litres (3.49 quarts) 
Exhaust system Denim Black and Satin Chrome, over/under shotgun exhaust with dual mufflers 
Gearbox 6-speed 
Transmission type, final drive ratio Belt 
Clutch type Multi-plate with diaphragm spring in oil bath 
Driveline Primary Drive Chain, 34/46 ratio. Final Drive Belt, 32/66 ratio. 

Harley-Davidson FLSTFB Softail Fat Boy Lo Performance

Top Speed
Acceleration 0 to 100 km/h (0 to 62 mph)
Acceleration 0 to 400m (1/4 mile)
Recuperation 60 to 140 km/h in highest gear
Fuel Consumption - MPG - Economy - Efficiency 5.60 litres/100 km (17.9 km/l or 42.00 mpg) 
CO2 emissions 129.9 CO2 g/km. (CO2 - Carbon dioxide emission) 
Emissions

Harley-Davidson FLSTFB Softail Fat Boy Lo Electrical Systems, Ignition and Equipment

Ignition Type
Electrical Details Sealed, maintenance-free, 12V, 19-amp/hour, 270 cca 
Starter Type Electric 
Instruments Tank-mounted electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, RPM/gear display, fuel gauge with low fuel warning light and countdown feature, low oil pressure indicator light, engine diagnostics readout, LED indicator lights, 6-speed indicator light 
Lights 55-watt low beam, 60-watt high beam 
How much does a Harley-Davidson FLSTFB Softail Fat Boy Lo weighs?
The Harley-Davidson FLSTFB Softail Fat Boy Lo weighs 317.5 kg (700.0 pounds).

How tall (seat height) is a Harley-Davidson FLSTFB Softail Fat Boy Lo?
The Harley-Davidson FLSTFB Softail Fat Boy Lo seat height is 616 mm (24.3 inches) If adjustable, lowest setting.

How many gears does a Harley-Davidson FLSTFB Softail Fat Boy Lo has?
The Harley-Davidson FLSTFB Softail Fat Boy Lo has 6 gears.