Segment:
Cruiser Motorcycle
Target Audience:
Enthusiasts, owners, and independent service technicians seeking to maintain and repair their 2008 Harley-Davidson FXDB Dyna Street Bob.
Competitors:
Other American V-twin cruisers from brands like Indian, and some metric cruisers from Japanese manufacturers depending on rider preference.
Model Identity:
The FXDB Street Bob is known for its minimalist, stripped-down aesthetic, custom bobber styling, and blacked-out components.
Manual Value:
Essential for DIY maintenance, troubleshooting, and major repairs, saving significant costs compared to dealership service.
Primary Coverage:
Service, Repair, Maintenance, Troubleshooting
Secondary Coverage:
Wiring Diagrams, Specifications, Diagnostic Procedures
Estimated Page Count:
Approximately 400-600 pages (typical for this type of manual)
Type:
Service Manual / Repair Manual
Engine:
Detailed disassembly, assembly, troubleshooting, and specifications for the Twin Cam 96 engine.
Transmission:
Service, repair, and specifications for the 6-speed Cruise Drive transmission.
Fuel System:
Includes fuel injection system (EFI), fuel pump, injectors, and fuel tank servicing.
Electrical System:
Comprehensive coverage of starting, charging, ignition systems, lighting, instrumentation, and wiring diagrams.
Brakes:
Front and rear brake system service, hydraulic components, bleeding procedures, and specifications.
Suspension:
Front fork (49mm) and rear shock absorber service, adjustments, and specifications.
Chassis:
Frame, swingarm, steering, and wheel bearing service.
Bodywork:
Fenders, fuel tank, seat, and other body component removal and installation.
Diagnostics:
Troubleshooting flowcharts, diagnostic trouble codes (DTCs), and fault finding procedures.
Maintenance:
Routine maintenance tasks, fluid changes, filter replacements, and lubrication schedules.
Repair:
Step-by-step repair instructions for all major and minor components.
Troubleshooting:
Systematic approaches to diagnosing and resolving common and complex issues.
Rebuilding:
Complete engine and transmission rebuild procedures with detailed diagrams and specifications.
Adjustment:
Clutch, throttle, brake levers, suspension, and other component adjustments.
Testing:
Component testing procedures for electrical parts, sensors, and mechanical systems.
Depth:
Comprehensive, covering basic maintenance to full engine/transmission overhauls and advanced diagnostics.
Engine Type:
Air-cooled, Twin Cam 96 V-twin
Displacement:
1584 cc (96 cubic inches)
Bore X Stroke:
3.75 in. x 4.38 in. (95.25 mm x 111.25 mm)
Horsepower:
Approximately 70 HP @ 5200 RPM (estimated, varies with exhaust/tuning)
Torque:
Approximately 90 ft-lbs @ 3500 RPM (estimated, varies with exhaust/tuning)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Oil Capacity:
3.5 quarts (3.3 Liters) with filter change
Oil Type:
Harley-Davidson Genuine V-Twin 20W-50 Synthetic Oil or equivalent
Crash Test Ratings:
N/A for motorcycles, but safety depends on rider skill and adherence to traffic laws.
Braking System:
Dual-action, four-piston front caliper; dual-action, two-piston rear caliper.
Lighting:
Halogen headlamp, LED tail lamp, incandescent front and rear turn signals.
Frame Construction:
Steel frame and swingarm designed for stability.
Tire Specifications:
Front: MT90B16 (72H); Rear: 150/80B16 (77H)
Instrumentation:
Analog speedometer with integrated digital odometer and trip meter, tachometer (on some models or as an option), indicator lights for oil pressure, engine diagnostics, turn signals, and high beam.
ABS:
Anti-lock Braking System (ABS) was an optional feature on 2008 models, not standard.
Bluetooth:
Not available from the factory on 2008 models. Aftermarket solutions are common.
Initial Service:
1,000 miles (1,600 km) or 6 months (whichever comes first) - oil change, filter, primary fluid, general inspection.
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months - oil change, filter, primary fluid, inspection of other components.
Spark Plugs:
Inspect every 10,000 miles (16,000 km), replace as needed.
Air Filter:
Inspect every 5,000 miles (8,000 km), clean or replace as needed.
Engine Oil:
Harley-Davidson Genuine V-Twin 20W-50 Synthetic Oil (P/N 62600004 for 1 Quart)
Primary Fluid:
Harley-Davidson Formula + Transmission & Primary Chain Case Lubricant (P/N 62600026 for 1 Quart)
Transmission Oil:
Harley-Davidson Formula + Transmission & Primary Chain Case Lubricant (P/N 62600026 for 1 Quart)
Common Wear Items:
Clutch plates, brake pads, tires, fork seals, and drive belt.
Potential Electrical Issues:
Wiring harness chafing, starter solenoid failure, and battery maintenance are common for this era.
Engine Vibration:
Dyna models are known for their characterful vibration; however, excessive vibration could indicate engine mounting issues or internal component wear.
Brand Establishment:
Founded in 1903, Harley-Davidson is one of the oldest motorcycle manufacturers in the world, known for its V-twin engines and iconic styling.
Dyna Lineage:
The Dyna platform, introduced in 1991, bridges the gap between the lighter Sportster and the larger Touring bikes, offering a more traditional riding experience.
Street Bob Introduction:
The Street Bob model gained popularity for its minimalist, custom-inspired design, often featuring forward foot controls, a solo seat, and a drag-style handlebar.
Production Era:
The Dyna platform, including the Street Bob, was produced from 1991 until it was replaced by the Softail platform in 2018.
