Cruisers

2008Harley-Davidson FXDF Dyna Fat Bob

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The 2008 Harley-Davidson FXDF Dyna Fat Bob is a muscular custom cruiser built for riders seeking aggressive styling and commanding presence. Its 96-cubic-inch V-twin engine delivers strong low-end torque through a smooth 6-speed transmission, making it ideal for cruising and laid-back highway riding. Known for its fat tires and minimalist design, the Fat Bob appeals to riders wanting classic Harley character with modern fuel injection reliability.

Capacity: 1573.3 ccm
Engine: V-Twin, four-stroke
Gearbox: 6-speed
Dry weight: 303.8 kg
Seat height: 688 mm
Power: 75.0 HP (55.2 kW)

⇄ Compare with another bike All model years ⚠ Recalls listed (1)

Other years 2008 2009 2010 2011 2012

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering45%

City riding55%

Daily riding60%

Touring45%

Two-up55%

Track15%

Best for: Built for style-driven boulevard cruising and short blasts rather than outright speed or long-distance touring.
Built for: A muscular, fat-tired custom cruiser that trades cornering agility for big V-twin torque and unmistakable Dyna attitude.
Not ideal for: Not a good fit for riders seeking sharp cornering performance, off-road capability, or dedicated long-haul touring comfort.

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

Will it fit you?

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Your height

Inseam (optional)

Units

At 688mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2008 Harley-Davidson FXDF Dyna Fat Bob, 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 →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 1573.3 ccm
Power: 75.0 HP (55.2 kW)
Torque: 123.4 Nm (12.6 kgf-m)
Engine type: V-Twin, four-stroke
Power/weight ratio: 0.2469 HP/kg
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: 1621 mm
Overall length: 2329 mm
Seat height: 688 mm
Dry weight: 303.8 kg
Wet weight: 318.9 kg
Fuel capacity: 19.30 litres
Ground clearance: 124 mm

Chassis & suspension

Rake (fork angle): 29.0°
Trail: 114 mm

Brakes & wheels

Front brakes: Single disc. 4-piston calipers
Rear brakes: Single disc. 2-piston torque-free calipers
Front tyre: 130/90-B16
Rear tyre: 180/70-B16

Other

Color options: Vivid Black, Black Pearl, Dark Blue Pearl (New), Black Denim, Pewter Denim, Crimson Red Denim (New), Candy Red Sunglo (New)

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	2008	2009	2010	2011	2012
Capacity	1573.25 ccm (96.00 cubic inches)	1584.00 ccm (96.66 cubic inches)	1584.00 ccm (96.66 cubic inches)	1584.00 ccm (96.66 cubic inches)	1687.97 ccm (103.00 cubic inches)
Dry weight	303.8 kg (669.7 pounds)	305.0 kg (672.4 pounds)	305.0 kg (672.4 pounds)	305.0 kg (672.4 pounds)	305.3 kg (673.0 pounds)
Seat height	688 mm (27.1 inches)	663 mm (26.1 inches)	663 mm (26.1 inches)	663 mm (26.1 inches)	663 mm (26.1 inches)
Fuel capacity	19.30 litres (5.10 gallons)	19.30 litres (5.10 gallons)	19.30 litres (5.10 gallons)	19.30 litres (5.10 gallons)	18.93 litres (5.00 gallons)
Color options	Vivid Black, Black Pearl, Dark Blue Pearl (New), Black Denim, Pewter Denim, Crimson Red Denim (New), Candy Red Sunglo (New)	Vivid Black, Black Pearl, Black Denim, Pewter Denim, Red Hot Sunglo	Vivid Black, Black Pearl, Black Denim, Pewter Denim, Red Hot Sunglo	Vivid Black, Black Pearl, Black Denim, Pewter Denim, Red Hot Sunglo	Vivid Black, Big Blue Pearl, H-D Orange, Black Denim

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

Safety Recalls

⚠ 1 open recall

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPENov 2007 · 07V535000

ON CERTAIN MOTORCYCLES BUILT AND SHIPPED TO CALIFORNIA, THE CATALYTIC MUFFLER PROTECTIVE HEAT SHIELD WAS NOT INSTALLED. THIS CONDITION COULD ALLOW DIRECT CONTACT WITH THIS MUFFLER AND CAUSE INJURY.

Risk: IF CONTACT OCCURS WHILE RIDING, IT COULD CAUSE LOSS OF CONTROL OF THE MOTORCYCLE, LEADING TO INJURY OR DEATH.

Remedy: DEALERS WILL INSTALL THE HEAT SHIELDS TO THE MUFFLERS FREE OF CHARGE. THE RECALL BEGAN ON NOVEMBER 26, 2007. OWNERS MAY CONTACT HARLEY DAVIDSON AT 1-414-343-4056.

Source: NHTSA. View all Harley-Davidson recalls →