Harley-Davidson FXDF Dyna Fat Bob - 2009 Specifications and Reviews
The 2009 Harley-Davidson FXDF Dyna Fat Bob is a muscular custom cruiser built for riders seeking aggressive styling and authentic V-twin character. Its 1584cc fuel-injected engine delivers strong low-end torque ideal for cruising and customization. Known for its fat front tire, minimalist design, and nimble handling, it appeals to riders prioritizing style and rideability.
General information | |
| Category | Custom / cruiser |
| Year | 2009 |
| Model | Harley-Davidson FXDF Dyna Fat Bob |
Engine and Transmission Specifications | |
| Clutch | 9-plate, wet |
| Transmission typefinal drive | Belt |
| Gearbox | 6-speed |
| Cooling system | Air |
| Starter | Electric |
| Fuel system | Injection. ESPFI |
| Bore x stroke | 95.3 x 111.1 mm (3.8 x 4.4 inches) |
| Compression | 9.2:1 |
| Torque | 127.00 |
| Stroke | 4 |
| Engine type | V2 |
| Capacity: | 1584.00 ccm (96.66 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,620 mm (63.8 inches) |
| Ground clearance | 125 mm (4.9 inches) |
| Overall length | 2,330 mm (91.7 inches) |
| Seat height | 663 mm (26.1 inches) If adjustable, lowest setting. |
| Dry weight | 305.0 kg (672.4 pounds) |
| | |
Harley-Davidson FXDF Dyna Fat Bob dimensions and frame | |
| Exhaust system | Chrome, 'Tommy Gun' 2-1-2 collector exhaust |
| Rear brakes diameter | 292 mm (11.5 inches) |
| Rear brakes | Single disc. Single piston |
| Front brakes diameter | 300 mm (11.8 inches) |
| Front brakes | Double disc. 4-piston |
| Rear tyre dimensions | 427/180-70 |
| Rear suspension travel | 79 mm (3.1 inches) |
| Rear suspension | Fully Covered, Coil-over shock |
| Front suspension travel | 127 mm (5.0 inches) |
| Front suspension | 49mm with polished aluminium fork triple clamp |
| Trail | 1,000 mm (39.4 inches) |
| Rake (fork angle) | 29.0° |
| Frame type | Mild steel, tubular frame; rectangular section backbone; |
Speed and acceleration | |
| Modifications compared to previous model | New silver-face speedometer with range countdown; New rear shocks for improved handling. |
| Color options | Vivid Black, Black Pearl, Black Denim, Pewter Denim, Red Hot Sunglo |
| Fuel capacity | 19.30 litres (5.10 gallons) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Rider Profile
| Best For | Best suited to riders with at least some experience handling a heavy, torque-heavy cruiser at low speeds. |
| Purpose | Built for style-driven boulevard cruising and short blasts rather than outright speed or long-distance touring. |
| Rider Fit | Its low seat height and wide bars make it accessible, but the substantial wet weight demands confident strength at parking-lot speeds. |
| Character | 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. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
⚠ Safety Recalls (2)
HARLEY-DAVIDSON IS RECALLING 3,285 MY 2009 FXD, FXDF, FXDC, FXDL, AND FXDB MOTORCYCLES. THE JIFFY STAND SPRING ANCHOR MAY HAVE BEEN BUILT WITH A DEFECTIVE WELD THAT MAY ALLOW THE JIFFY STAND ASSEMBLY TO NOT RETRACT AS INTENDED.
Risk: THIS CONDITION COULD LEAD TO A CRASH WHICH COULD CAUSE INJURY OR DEATH TO THE RIDER.
Remedy: DEALERS WILL REMOVE THE ORIGINAL JIFFY STAND SPRING ANCHOR AND REPLACE IT WITH A NEW SPRING ANCHOR FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN ON OR ABOUT DECEMBER 22, 2008. OWNERS MAY CONTACT HARLEY-DAVIDSON AT 1-414-342-4680.
HARLEY-DAVIDSON IS RECALLING 349 MY 2009 FXDB, FXDC, FXDF, AND FXDL MOTORCYCLES. THESE MOTORCYCLES HAVE A FUEL TANK VENT TUBE ASSEMBLY, PART NO. 27389-04A, WHICH MAY HAVE BEEN PRODUCED WITH A DEFECTIVE ULTRASONIC WELD ON THE ANTI-SLOSH VALVE.
Risk: IF THE VALVE SEPARATES AND THE BIKE IS TIPPED OVER, IT MAY LEAK FUEL. FUEL LEAKAGE IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE.
Remedy: DEALERS WILL INSPECT THE FUEL VENT TUBE ASSEMBLY AND, IF NECESSARY, REPLACE IT. THE RECALL IS EXPECTED TO BEGIN ON OR ABOUT DECEMBER 8, 2008. OWNERS MAY CONTACT HARLEY-DAVIDSON AT 1-414-343-4056.
Source: NHTSA. View all Harley-Davidson recalls →
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