Harley-Davidson FLSTF Softail Fat Boy - 2009 Specifications and Reviews

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General information

CategoryCustom / cruiser
ModelHarley-Davidson FLSTF Softail Fat Boy
Year2009

Engine and Transmission Specifications

ClutchMulti-plate with diaphragm spring in oil bath
Transmission typefinal driveBelt
Gearbox6-speed
Cooling systemAir
Fuel systemInjection. ESPFI
Bore x stroke95.3 x 111.3 mm (3.8 x 4.4 inches)
Compression9.2:1
Torque120.00
Stroke4
Engine typeV2
Capacity:1573.25 ccm (96.00 cubic inches)

Physical measures and capacities

Wheelbase1,638 mm (64.5 inches)
Ground clearance130 mm (5.1 inches)
Overall length2,395 mm (94.3 inches)
Seat height698 mm (27.5 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc323.9 kg (714.0 pounds)
Dry weight314.8 kg (694.0 pounds)
 
 

Harley-Davidson FLSTF Softail Fat Boy dimensions and frame

Exhaust systemChrome, over/under shotgun exhaust w/ dual mufflers
Rear brakesSingle disc. 2-piston torque-free calipers
Front brakesSingle disc. 4-piston calipers
Rear tyre dimensions200/55-R17
Front tyre dimensions140/75-R17
Trail147 mm (5.8 inches)
Rake (fork angle)32.0°
 
 

Speed and acceleration

Color optionsVivid Black, Pewter Pearl, Pacific Blue Pearl, Black Pearl, Dark Blue Denim (New), Candy Red Sunglo (New) 105th Anniversary Copper Pearl/Vivid Black, Purple Haze (Custom), Copperhead Pearl and Red Hot (Custom), Golden Glow and Black Glow (Custom)
Fuel consumption pr. 10 km (6.2 miles)4.35 litres (1.15 gallons)
Fuel capacity18.92 litres (5.00 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

5.2s
0-60 mph (est.)

Best For

Track10%
City55%
Cornering35%
Daily Riding60%
Touring60%
Passenger65%

Rider Profile

Best ForBest suited to riders who already have experience handling heavy, low-slung cruisers at low speed.
PurposeBuilt for laid-back boulevard cruising and image-driven riding rather than outright performance.
Rider FitIts low seat height is confidence-inspiring but the substantial dry weight demands decent upper-body strength for slow-speed maneuvers and parking.
CharacterA muscular, torque-rich cruiser icon that rewards relaxed throttle rolls and a laid-back riding style over aggressive cornering.
Not Ideal ForNot the right choice for riders seeking sharp cornering agility, off-road capability, or high-speed sport performance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2009 Harley-Davidson FLSTF Softail Fat Boy Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 698mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2009 Harley-Davidson FLSTF Softail Fat Boy, with a cramped knee angle of around 75 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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