Segment:
Cruiser Motorcycle
Target Audience:
Harley-Davidson owners seeking to perform maintenance and repairs themselves, independent repair shops.
Competitors:
Other Harley-Davidson Dyna models, Indian Chief, Victory Cross Country.
Vehicle Features:
Fat custom styling, forward controls, robust Twin Cam engine, distinct Harley-Davidson character.
Manual Value Proposition:
Empowers owners with the knowledge to maintain their valuable motorcycle, saving on labor costs and ensuring proper upkeep.
Engine:
1584cc Twin Cam 96 Engine (engine teardown, rebuild, timing, lubrication, cooling)
Fuel System:
Fuel Injection (EFI), fuel pump, injectors, throttle body, fuel tank and lines
Ignition System:
Ignition coils, spark plugs, sensors (crank position, etc.)
Transmission:
6-Speed Cruise Drive Transmission (clutch, gearbox, final drive belt)
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), lighting, starter, horn, instrumentation
Brakes:
Hydraulic disc brakes (front and rear calipers, master cylinders, lines, pads, rotors)
Suspension:
Front fork (telescopic), rear shock absorbers (dual), fork seals, bushings
Frame And Bodywork:
Frame, swingarm, fenders, fuel tank, seat, handlebars, controls, fairings (if applicable)
Wheels And Tires:
Wheel bearing replacement, tire mounting and balancing, spoke tensioning (if applicable)
Diagnostics:
Troubleshooting flowcharts, fault code interpretation (if applicable for the era, often requires specialized tools)
Routine Maintenance:
Oil changes, filter replacements, spark plug replacement, chain adjustment (if applicable for belt drive), brake fluid flush
Disassembly Assembly:
Engine teardown and rebuild, transmission overhaul, front fork rebuild, brake caliper service
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues
Electrical Troubleshooting:
Using wiring diagrams to diagnose circuit faults
Suspension Service:
Fork oil changes, seal replacement, shock absorber diagnosis
Brake Service:
Pad replacement, rotor inspection, bleeding procedures
Fuel System Service:
Injector cleaning, fuel pressure testing
Depth:
Comprehensive (from basic maintenance to full engine/transmission rebuilds)
Diagnostic Tools:
May reference proprietary Harley-Davidson diagnostic tools (e.g., Digital Technician) for advanced diagnostics.
Searchability:
Likely searchable text within the PDF
Print Recommendation:
High-quality digital copy suitable for printing key sections or entire manual.
Physical Binding Suggestion:
Spiral-bound or ring-binder for lay-flat use in workshop environment.
Physical Paper Suggestion:
Durable, laminated pages for oil and grease resistance.
Engine Type:
Air-cooled, Twin Cam 96
Displacement:
1584 cc (96 cubic inches)
Bore X Stroke:
3.75 in x 4.49 in (95.25 mm x 114.3 mm)
Valve Train:
Pushrod-actuated, overhead valves with two valves per cylinder
Horsepower Estimate:
~70-75 HP (at crank, estimated for era)
Torque Estimate:
~85-90 ft-lbs (at crank, estimated for era)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Oil Type:
Harley-Davidson V-Twin Synthetic Oil (or equivalent API SG, JASO FD compliant 20W-50)
Oil Capacity:
Approximately 4 quarts (3.8 liters) with filter change
Cooling Method:
Air-cooled
Length:
Approx. 93.3 inches (2370 mm)
Width:
Approx. 38.0 inches (965 mm)
Height:
Approx. 47.5 inches (1207 mm)
Dry Weight:
Approx. 635 lbs (288 kg)
Gross Vehicle Weight Rating Gvwr:
Approx. 1075 lbs (488 kg)
Payload Capacity:
Approx. 440 lbs (200 kg)
Fuel Tank Capacity:
5.0 gallons (19 liters)
Front Tire Size:
130/90B16 67H
Rear Tire Size:
180/70B15 76H
Wheel Type:
Cast aluminum, 16-inch front, 15-inch rear
Safety Ratings:
N/A (Motorcycle safety is typically assessed through independent testing and government regulations on specific components, not overarching ratings like cars).
Braking System:
Dual-piston front and rear calipers, solid discs. ABS was an option on some models, but not standard for all 2008-2011 FXDF.
Lighting:
Halogen headlight, LED taillight, incandescent turn signals.
First Service:
Typically 1,000 miles (1,600 km) or 6 months, whichever comes first.
Subsequent Service:
Generally every 5,000 miles (8,000 km) or 12 months, with specific checks at shorter intervals.
Major Overhaul Indicators:
Based on mileage, performance degradation, or specific component wear indicators outlined in the manual.
Engine Oil:
Harley-Davidson V-Twin Synthetic Oil 20W-50
Transmission Primary Fluid:
Harley-Davidson Transmission and Primary Chaincase Lubricant SAE 80W-90
Brake Fluid:
DOT 4 brake fluid
Fork Oil:
Harley-Davidson Spectro Heavy Duty Fork Oil (or equivalent SAE 15W)
Common Wear Items:
Clutch plates, brake pads, fork seals, wheel bearings, belt tensioner.
Potential Engine Concerns:
While generally robust, the Twin Cam 96 can experience issues like cam chain tensioner wear (especially on earlier models), oil leaks from gaskets, and the need for periodic valve adjustments.
Electrical Considerations:
Wiring harness integrity, battery health, and charging system output are crucial for reliable operation.
Manufacturer:
Harley-Davidson Motor Company
Heritage Focus:
Iconic American motorcycle manufacturer with a long history of V-twin engines and cruiser-style motorcycles.
Dyna Platform:
The Dyna platform, introduced in 1991, featured a rubber-mounted engine for reduced vibration, a characteristic shared with the Fat Bob.
Fat Bob Introduction:
The Fat Bob name was revived for the FXDF model, paying homage to a classic custom look with its distinctive dual headlights and fat front tire.
Production Period:
The FXDF Dyna Fat Bob was produced from 2008 to 2017. This manual specifically covers the 2008-2011 model years.
Manufacturing Location:
United States (primarily York, Pennsylvania and Milwaukee, Wisconsin)
