2008 Harley-Davidson FXDF Dyna Fat Bob Preview

With dual headlamps blazing and chunky tires rolling out a distinctive footprint, the new Harley-Davidson FXDF Dyna Fat Bob aims to occupy a wide patch of pavement. Named for the iconic fuel tank shape that has defined a generation of massive Harley-Davidson factory customs, the Fat Bob combines signature Dyna performance with a new profile that communicates cool authority.

Other Dyna news for 2008 includes braided stainless steel brake lines as standard equipment on all models, and the availability of three Dyna models with a Limited Edition 105th Anniversary package of special paint, badges and serialization.

The Harley-Davidson Dyna family stays faithful to the formula established by the early factory customs produced by the Motor Company in the 1970s, bikes that combined Big Twin power with the style of the lighter FX front end. Over the years, the Dyna line has established a reputation for great handling and exhilarating performance.

The dual four-inch headlamps, framed by 49 mm forks and new polished aluminum triple-clamps, are the most obvious indication that the Fat Bob is a new breed of Dyna. But it’s a big 130 mm front tire on a 16-inch by 3.5-inch slotted cast aluminum wheel that really leads the way. A new, aggressive tread design exaggerates the tire’s chubby profile. Black painted fork lowers highlight the silver wheels and dual disc brakes, and match black risers holding a V-shaped drag bar. This is a front end that makes a bold statement.

The Fat Bob is powered by a Twin Cam 96 engine that pounds out 92 ft.-lbs. of torque through a 6-speed Cruise Drive transmission. The black-and-polished Twin Cam 96 powertrain breathes through a distinctive new airbox cover and exhales through the wild new Tommy Gun exhaust system, a 2-1-2 configuration that snakes the rear pipe forward and around the engine timing cover to merge with the front pipe. The pipes then split and dump into staggered dual mufflers. A slotted exhaust shield gives the system its name.

Above the engine resides the famous 5.1-gallon Fat Bob fuel tank adorned with a new medallion and chrome, low profile fuel tank console. The Fat Bob can be ordered from the factory with a choice of forward foot controls or mid-mount foot controls, to suit rider preference or stature. A new two-up seat shape combined with the drag bars to put the rider in a position that’s nonchalant cool. Seat height is just 26.1 inches.

A beefy 180 mm rear tire with an aggressive tread pattern wraps a 16-inch by five-inch slotted aluminum rear wheel, a combination that gives the Fat Bob a substantial rear profile but also preserves the great handling qualities of the Dyna chassis. A new wide Bobtail fender covers the rear tire, and the rear shock absorber springs are concealed with chrome "full metal jacket" covers.

The Fat Bob is available in seven solid-color paint options, including three low-gloss Denim paint selections.

"Only Harley-Davidson could style and engineer a motorcycle as visually exciting as the new Rocker," said Bill Davidson, director of motorcycle product development. "To offer this level of customization in a reliable, production motorcycle is simply unprecedented. We’ve also got the Fat Bob taking the Dyna platform in a bold, new direction. And the beautiful copper-and-black 105th Anniversary models are icing on the Motor Company birthday cake for 2008."
For more than a century, Harley-Davidson motorcycles have stoked the passion of riders around the world with a distinctive combination of performance and visual appeal that simply can not be duplicated. The energy, dedication and pure enthusiasm of each individual at Harley-Davidson maintains that full-throttle intensity, season after season.

2008 Harley-Davidson FXDF Dyna Fat Bob

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FXDF Dyna Fat Bob features:

2008 Harley-Davidson FXDF Dyna Fat Bob

• Vibration isolated Twin Cam 96 engine
• 6-speed Cruise Drive transmission
• Black powdercoated engine with polished treatment
• NEW Braided brake lines
• NEW airbox cover
• "Full metal jacket" chrome-covered shock absorber springs
• Chrome Tommy Gun exhaust with Staggered Dual mufflers
• 180 mm-16 rear / 130 mm-16 front tires
• Cast Aluminum Slotted Disc 16-inch front/rear wheels
• Bobtail rear fender
• 5.1-gallon Fat Bob fuel tank
• Black drag-style handlebar on black riser
• Polished aluminum triple clamps
• Black fork lowers and mirrors
• 28-degree fork angle
• Dual headlamps
• Forward foot controls
• Optional Smart Security System

SPECS

2008 Harley-Davidson FXDF Dyna Fat Bob

DIMENSIONS

Length: 91.73 in. (2329.94 mm)
Overall Width: 35.03 in. (889.76 mm)
Overall Height: 44.56 in. (1131.82 mm)
Seat Height:

• Laden: 26.10 in. (662.94 mm)
• Unladen: 27.08 in. (687.83 mm)

Ground Clearance: 4.92 in. (124.99 mm)
Rake (steering head): 29°
Fork Angle: 28°
Trail: 4.92 in. (124.97 mm)
Wheelbase: 63.77 in. (1619.76 mm)
Tires (Dunlop Harley-Davidson Series, bias blackwall front and rear):

• Front: D427F 130/90B16
• Rear: D427 180/70B16

Fuel Capacity (warning light at approximately 0.9 gal.): 5 gal. (19.31 L)
Oil Capacity (w/filter): 3 qts. (2.84 L)
Transmission Capacity: 1 qts. (0.95 L)
Primary Chain Case Capacity: 1 qts. (0.95 L)
Weight:

• As Shipped: 669.70 lbs. (303.77 kg)
• In Running Order: 703 lbs. (318.88 kg)
• Gross Vehicle Weight Rating: 1085 lbs. (492.15 kg)

Gross Axle Weight Rating:

• Front: 390 lbs. (176.90 kg)
• Rear: 695 lbs. (315.25 kg)

ENGINE

Engine: Air-cooled, Twin Cam 96™
Valves: Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder
Bore x Stroke: 3.75 in. (95.25 mm) x 4.38 in. (111.25 mm)
Displacement: 96 cu. in. (1584 cc)
Compression Ratio: 9.2:1
Fuel System: Electronic Sequential Port Fuel Injection (ESPFI)
Air Cleaner: Fiberglass Media, washable
Lubrication System: Pressurized, dry-sump

DRIVETRAIN

Primary Drive: Chain, 34/46 ratio
Final Drive: Belt, 32/66 ratio
Clutch: 9-plate, wet
Transmission: 6-Speed Cruise Drive
Gear Ratios (overall):
   U.S.  HDI  JPN
1st:  9.312 9.312 9.030
2nd:  6.421 6.421 6.266
3rd: 4.774 4.774 4.630
4th:  3.926 3.926 3.807
5th:  3.279 3.279 3.179
6th:  2.790 2.790 2.706

CHASIS

Frame: Mild steel, tubular frame; rectangular section backbone; stamped, cast, and forged junctions; forged fender supports; MIG welded
Swing Arm: Mild steel, rectangular tube sections, stamped junctions; MIG welded
Front Fork: 49 mm with polished aluminum fork triple clamp and dual-rate springs
Rear Shocks: Coil-over shock
Wheels:

• Front: Silver, Slotted Disc Cast Aluminum, 16 in. x 3.5 in. (406.40 mm x 88.90 mm)
• Rear: Silver, Slotted Disc Cast Aluminum, 16 in. x 5 in. (406.40 mm x 127 mm)

Brakes:

• Caliper Type: 4-piston front and 2-piston torque-free rear
• Rotor Type (diameter x width): Patented, uniform expansion rotors rear and dual floating front
• Front (dual floating): 11.80 in. x .20 in. (299.72 mm x 5.08 mm)
• Rear: 11.50 in. x .23 in. (292.10 mm x 5.84 mm)

Suspension Travel:

• Front: Wheel 5 in. (127 mm)
• Rear: Wheel 3.10 in. (78.74 mm)

PERFORMANCE

Engine Torque (per SAE J1349):

• North America: 92 ft. lbs. @ 3000 rpm (124.75 NM @ 3000 rpm)

Lean Angle (per SAE J1168):

• Right: 30°
• Left: 31°

Fuel Economy: (EPA urban/highway test) 9 34/53 mpg (6.92/4.44 L /100 km)

ELECTRIC

Battery (per Battery Council International Rating): Sealed, maintenance-free, 12V, 19-amp/hour, 270 cca
Charging: Three-Phase, 40-amp system (493W @ 13.5V, 2000 rpm, 540W max power @ 13.5V)
Starting: 1.2 kW electric with solenoid shift starter motor engagement
Lights (as per country regulation):

• Headlamp (quartz halogen): 55-watt low beam, 60-watt high beam
• Tail/Stop Lights: 8W/28W (5W/21W)
• Turn Signal Lights: 28W (21W) self-canceling
• Indicator Lamps: High beam, directional light bar, neutral, low oil pressure, engine diagnostics, turn signals, security system10 (optional), 6-speed, low fuel warnings

Electric Power Outlet: Standard

STYLING/CONVENIENCE

Engine Trim: Black powder-coated engine with polished treatment covers
Exhaust System: Chrome, 2-1-2 collector exhaust with dual mufflers
Fenders and Supports:

• Front: Sport fender with painted brace supports
• Rear: Bobtail fender with chrome supports

Foot Supports and Controls:

• Passenger: Standard footpegs

Handlebar Style: Stainless steel, drag
Seat Type and Style: One-piece, two-up Dyna™ classic
Fork Lock: Common with ignition key
Hazard Warning: Integrated into turn signal controls
Smart Security System: Next-generation hands-free security fob; operates based on proximity to vehicle

COLORS

• Vivid Black,
• Black Pearl,
• Dark Blue Pearl (new),
• Black Denim,
• Candy Red Sunglo (new)

WARANTY