2013 Harley-Davidson Softail Fat Boy Lo Specs

motorcycle specs

These are the known mechanical and performance specifications for your 2013 Harley-Davidson Softail Fat Boy Lo.

Basic Specs

ModelHarley-Davidson Softail Fat Boy Lo
CostUS$ 16799. Prices depend on country, taxes, accessories, etc.


Displacement1687.97 ccm (103.00 cubic inches)
TypeAir-cooled, Twin Cam 103B™
DetailsV2, four-stroke
Bore/Stroke98.4 x 111.3 mm (3.9 x 4.4 inches)
FuelingInjection. Electronic Sequential Port Fuel Injection (ESPFI)
ExhaustDenim Black and Satin Chrome, over/under shotgun exhaust with dual mufflers


Final DriveBelt
ClutchMulti-plate with diaphragm spring in oil bath
DrivelinePrimary chain, 34/46 ratio


Torque133.84 Nm (13.6 kgf-m or 98.7 ft.lbs)
Top Speed

Fuel Economy & Polution

Fuel Consumption5.60 litres/100 km (17.9 km/l or 42.00 mpg)
Fuel Capacity18.93 litres (5.00 gallons)
Emissions129.9 CO2 g/km. (CO2 - Carbon dioxide emission)


Frame Type
Trail147 mm (5.8 inches)
Front Suspension
Front Travel
Rear Suspension
Rear Travel
Seat Height616 mm (24.3 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length2,395 mm (94.3 inches)
Total Width
Ground Clearance122 mm (4.8 inches)
Wheelbase1,638 mm (64.5 inches)
Dry Weight313.0 kg (690.0 pounds)
Wet Weight330.2 kg (728.0 pounds)

Wheels & Brakes

Front Tire/Tyre140/75-R17
Rear Tire/Tyre200/55-R17
Front BrakesDouble disc. 4-piston
Front Brake Diameter
Rear BrakesSingle disc. 2-piston
Rear Brake Diameter
WheelsBlack, Bullet Hole Disc Cast Aluminum


It appears you're interested in specifications for the Harley-Davidson Softail Fat Boy Lo. This Custom / cruiser model is powered by a Air-cooled, Twin Cam 103B™ V2, four-stroke engine with 1687.97 ccm (103.00 cubic inches) of actual displacement before 9.6:1 compression. Fueling is metered via Injection. Electronic Sequential Port Fuel Injection (ESPFI) allowing this machine to produce its horsepower and 133.84 Nm (13.6 kgf-m or 98.7 ft.lbs) torque. According to our records engine heat of the Harley-Davidson Softail Fat Boy Lo is moderated by Air. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Belt maintainence. Our best information shows that the front tire size is 140/75-R17 and the rear is 200/55-R17 . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc. 4-piston front brakes and Single disc. 2-piston rear brakes. The Harley-Davidson Softail Fat Boy Lo was launched in 2013, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.