2012 Harley-Davidson FLSTF Softail Fat Boy Specs

motorcycle specs

These are the known mechanical and performance specifications for your 2012 Harley-Davidson FLSTF Softail Fat Boy.

Basic Specs

Year2012
MakeHarley-Davidson
ModelHarley-Davidson FLSTF Softail Fat Boy
CostUS$ 16349. Euro 20445. UK £ 15899. Prices depend on country, taxes, accessories, etc.

Engine

Displacement1687.97 ccm (103.00 cubic inches)
TypeAir-cooled, Twin Cam 103B™
DetailsV2, four-stroke
Max RPM
Compression9.6:1
Bore/Stroke98.4 x 111.3 mm (3.9 x 4.4 inches)
Valves/Cylinder2
FuelingInjection. Electronic Sequential Port Fuel Injection (ESPFI)
Ignition
ExhaustChrome, over/under shotgun exhaust with dual mufflers
LubricationPressurized, dry-sump
CoolingAir

Drivetrain

Gearbox6-speed
Final DriveBelt
ClutchMulti-plate with diaphragm spring in oil bath
DrivelinePrimary Drive Chain, 34/46 ratio. Final Drive Belt, 32/66 ratio.

Performance

Horespower
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)

Chassis

Frame TypeMild steel tubular frame; rectangular section backbone; stamped, cast, and forged junctions; forged fender supports; MIG welded
Rake31.0°
Trail147 mm (5.8 inches)
Front Suspension41.3 mm telescopic, “beer can” covers
Front Travel130 mm (5.1 inches)
Rear SuspensionHidden, horizontal-mounted, coil-over
Rear Travel109 mm (4.3 inches)
SeatTwo-piece, two-up Softail® seat with removable pillion
Seat Height635 mm (25.0 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length2,395 mm (94.3 inches)
Total Width
Ground Clearance130 mm (5.1 inches)
Wheelbase1,638 mm (64.5 inches)
Dry Weight314.8 kg (694.0 pounds)
Wet Weight328.9 kg (725.0 pounds)

Wheels & Brakes

Front Tire/Tyre140/75-R17
Rear Tire/Tyre200/55-R17
Front BrakesSingle disc. 4-piston caliper. Optional ABS.
Front Brake Diameter292 mm (11.5 inches)
Rear BrakesSingle disc. 2-piston caliper. Optional ABS.
Rear Brake Diameter292 mm (11.5 inches)
WheelsSilver, Bullet Hole Disc Cast Aluminum

Comments

It appears you're interested in specifications for the Harley-Davidson FLSTF Softail Fat Boy. 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 FLSTF Softail Fat Boy 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, Mild steel tubular frame; rectangular section backbone; stamped, cast, and forged junctions; forged fender supports; MIG welded. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. 4-piston caliper. Optional ABS. front brakes and Single disc. 2-piston caliper. Optional ABS. rear brakes. The Harley-Davidson FLSTF Softail Fat Boy was launched in 2012, 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.