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Cruisers

2008Harley-Davidson FLSTF Softail Fat Boy

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The 2008 Harley-Davidson FLSTF Softail Fat Boy is a heavyweight custom cruiser designed for riders seeking classic American style and commanding road presence. Its 96-cubic-inch V-twin engine delivers abundant low-end torque ideal for relaxed cruising, while the iconic wide-tire styling and retro aesthetic make it one of Harley's most recognizable models.

Capacity
1573.3 ccm
Engine
V-Twin, four-stroke
Gearbox
6-speed
Dry weight
314.8 kg
Seat height
698 mm
Power
75.0 HP (55.2 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2008 Harley-Davidson FLSTF Softail Fat Boy

vs the 2007
Spec20072008
Torque 121.8 Nm (12.4 kgf-m or 89.8 ft.lbs) 120.0 Nm (12.2 kgf-m or 88.5 ft.lbs)
Front brakes Single disc Single disc. 4-piston calipers
Rear brakes Single disc Single disc. 2-piston torque-free calipers
Other years 2007 2008 2009 2010 2011 2012

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 41Agility 31Comfort 72Off-road 5Touring 55Road manners 65
Off-road & trail5%
Cornering35%
City riding55%
Daily riding60%
Touring60%
Two-up65%
Track10%
Best for
Built for laid-back boulevard cruising and image-driven riding rather than outright performance.
Built for
A muscular, torque-rich cruiser icon that rewards relaxed throttle rolls and a laid-back riding style over aggressive cornering.
Not ideal for
Not the right choice for riders seeking sharp cornering agility, off-road capability, or high-speed sport performance.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 698mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2008 Harley-Davidson FLSTF Softail Fat Boy, with a cramped knee angle of around 75 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 750 mm or under — Short Kings →

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Full specifications

Engine
Capacity
1573.3 ccm
Power
75.0 HP (55.2 kW)
Torque
120.0 Nm (12.2 kgf-m)
Engine type
V-Twin, four-stroke
Power/weight ratio
0.2382 HP/kg (dry)
Bore x stroke
95.3 x 111.3 mm
Compression
9.2:1
Cooling system
Air
Fuel system
Injection
Starting
Electric
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Belt
Clutch
Multi-plate with diaphragm spring in oil bath
Dimensions & weight
Wheelbase
1638 mm
Overall length
2395 mm
Seat height
698 mm
Dry weight
314.8 kg
Wet weight
323.9 kg
Fuel capacity
18.90 litres
Ground clearance
130 mm
Chassis & suspension
Rake (fork angle)
32.0°
Trail
147 mm
Brakes & wheels
Front brakes
Single disc. 4-piston calipers
Rear brakes
Single disc. 2-piston torque-free calipers
Front tyre
140/75-R17
Rear tyre
200/55-R17
Other
Color options
Vivid 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)

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 20072008201020112012
Capacity 1573 cc 1573 cc 1584 cc 1584 cc 1688 cc
Dry weight 315 kg 315 kg 313 kg 313 kg 315 kg
Seat height 698 mm 698 mm 690 mm 690 mm 635 mm
Fuel capacity 18.9 L 18.9 L 19.7 L 19.7 L 18.9 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the Harley-Davidson FLSTF Softail Fat Boy?

The 2008 Harley-Davidson FLSTF Softail Fat Boy has a Capacity of 1573.3 ccm (96.01 cubic inches).

What engine power does the Harley-Davidson FLSTF Softail Fat Boy have?

The 2008 Harley-Davidson FLSTF Softail Fat Boy has a Power of 75.0 HP (55.2 kW).

How many gears does the Harley-Davidson FLSTF Softail Fat Boy have?

The 2008 Harley-Davidson FLSTF Softail Fat Boy has a Gearbox of 6-speed.

What is the torque of the Harley-Davidson FLSTF Softail Fat Boy?

The 2008 Harley-Davidson FLSTF Softail Fat Boy has a Torque of 120.0 Nm (12.2 kgf-m or 88.5 ft.lbs).

How much does the Harley-Davidson FLSTF Softail Fat Boy weigh?

The 2008 Harley-Davidson FLSTF Softail Fat Boy has a Dry weight of 314.8 kg (694.0 pounds).

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