Category:
Cruiser Motorcycle
Segment:
Custom Cruiser / Bobber style
Key Competitors:
Other Harley-Davidson Dyna models, Indian Chief/Scout, Triumph Bonneville, Japanese cruisers (e.g., Yamaha Star, Honda Shadow, Kawasaki Vulcan)
Design Philosophy:
Minimalist, stripped-down aesthetic with a focus on raw V-twin power and classic bobber styling.
Distinguishing Elements:
Solo seat, mini-ape handlebars, chopped front fender, blacked-out components, exposed metalwork.
Powertrain:
Engine, Transmission, Drivetrain (e.g., primary drive, clutch, final drive)
Chassis:
Frame, Suspension (front and rear), Steering, Wheels, Tires, Brakes (front and rear)
Electrical:
Ignition system, Lighting, Instrumentation, Charging system, Starting system, Battery, Wiring diagrams
Fuel System:
Fuel injection system (EFI), fuel pump, fuel lines, fuel tank
Exhaust:
Exhaust system components and servicing
Bodywork And Trim:
Fenders, fuel tank, seat, handlebars, controls, mirrors, minor body components
Maintenance:
Regular scheduled maintenance, fluid changes, filter replacements, lubrication, inspections
Troubleshooting:
Diagnostic procedures for common problems and symptoms, fault codes
Repair And Rebuild:
Detailed disassembly, inspection, repair, and reassembly procedures for all major components
Technical Data:
Torque specifications, clearances, adjustments, specifications for all systems
Wiring Diagrams:
Comprehensive electrical schematics
Depth:
Comprehensive, covering basic to advanced diagnostics and overhaul procedures
Engine Type:
Air-cooled, Twin Cam 96 V-twin
Displacement:
96 cubic inches (1584 cc)
Bore X Stroke:
3.75 in. x 4.38 in. (95.25 mm x 111.25 mm)
Compression Ratio:
9.0:1 (typical for Twin Cam 96)
Valve Train:
Pushrod-actuated, overhead valves with two valves per cylinder
Torque Rating:
Approximately 92 ft-lbs (125 Nm) at 3000 RPM (typical for Twin Cam 96)
Horsepower Rating:
Not officially advertised by Harley-Davidson, but typically in the 70-80 HP range.
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
91 octane (R+M)/2 or higher recommended
Length:
Approx. 90.4 in. (2296 mm)
Seat Height Laden:
Approx. 25.8 in. (655 mm)
Ground Clearance:
Approx. 4.7 in. (119 mm)
Dry Weight:
Approx. 620 lbs (281 kg)
Gross Vehicle Weight Rating:
Not explicitly stated, but typically around 1000 lbs (454 kg).
Fuel Capacity:
4.4 gal. (16.7 L)
Crash Safety:
Motorcycles are not subject to the same crash testing standards as automobiles. Safety relies on rider skill and adherence to road laws.
Braking System:
Hydraulic disc brakes, front and rear. ABS (Anti-lock Braking System) was an optional feature on some 2008 models, but not standard on the Street Bob.
Lighting:
Halogen headlamp, LED tail lamp, amber incandescent front turn signals, stop lights
Chassis Design:
Steel frame, designed for stability and handling characteristics of a cruiser.
First Service:
1000 miles (1600 km) or 6 months
Subsequent Service:
Every 5000 miles (8000 km) or 12 months thereafter, whichever comes first.
Engine Oil Type:
Harley-Davidson recommended 20W-50 motorcycle oil (e.g., Harley-Davidson SYN3 or equivalent premium synthetic).
Engine Oil Capacity:
Approx. 3.5 US quarts (3.3 Liters) with filter change.
Transmission Oil Type:
Harley-Davidson Formula + Transmission and Primary Chaincase Lubricant (or equivalent).
Transmission Oil Capacity:
Approx. 20 fl oz (0.59 Liters)
Primary Chaincase Oil Type:
Harley-Davidson Formula + Transmission and Primary Chaincase Lubricant (or equivalent).
Primary Chaincase Oil Capacity:
Approx. 26 fl oz (0.77 Liters)
Common Wear Items:
Clutch plates, brake pads, wheel bearings, tires, spark plugs, drive belt.
Potential Problems:
Some owners reported issues with fuel injector o-rings, starter solenoid, and occasional electrical gremlins. Oil leaks from the primary or transmission can also occur if seals degrade.
Spark Plug Gap:
0.030 - 0.040 in. (0.76 - 1.02 mm) (Check manual for specific plug type and gap)
Tire Pressure Front:
36 PSI (2.5 bar)
Tire Pressure Rear:
40 PSI (2.8 bar)
Heritage:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer known for its V-twin engines and distinctive styling.
Dynafamily:
The Dyna platform, introduced in 1991, is characterized by its rubber-mounted engine for reduced vibration, offering a balance between classic styling and modern comfort. The Street Bob variant emerged as a more minimalist, custom-oriented interpretation of the Dyna.
Fxdb Introduction:
The FXDB Dyna Street Bob model line began in 2006, quickly gaining popularity for its accessible price point and customization potential.
Manufacturing Location:
USA (Harley-Davidson's primary manufacturing facilities are in the United States).