Target Audience:
Riders seeking a classic, minimalist American cruiser with customizability and a powerful V-twin engine.
Key Competitors:
Indian Chief, other Harley-Davidson Softail models, select metric cruisers from brands like Honda, Yamaha, and Kawasaki.
Design Philosophy:
Stripped-down, bobber-inspired styling with a focus on raw performance and customization potential.
Engine Platform:
Harley-Davidson's air-cooled Twin Cam 103 V-twin engine.
Customization:
Designed for easy personalization with a wide range of factory and aftermarket accessories.
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly for the Twin Cam 103 engine.
Fuel System:
Fuel injection (EFI) system diagnosis, service, and component replacement (injectors, fuel pump, regulator).
Ignition System:
Ignition system troubleshooting, spark plug service, coil replacement, and sensor testing.
Transmission Service:
6-speed Cruise Drive transmission maintenance, clutch adjustment, gear inspection, and rebuild procedures.
Primary Drive System:
Primary chain adjustment, compensator inspection, and clutch assembly service.
Electrical System:
Wiring diagrams, battery service, charging system (stator, regulator/rectifier), lighting, starter, and fuse panel troubleshooting.
Brake System:
Front and rear brake caliper service, master cylinder overhaul, brake fluid replacement, and ABS system diagnosis (if equipped).
Suspension:
Front fork (39mm Telescopic) service, rear shock absorber replacement, and suspension tuning.
Wheel And Tire Service:
Wheel bearing replacement, tire mounting and balancing, and spoke tension adjustment.
Frame And Bodywork:
Frame inspection, fuel tank removal/installation, fender service, and handlebar replacement.
Exhaust System:
Exhaust pipe and muffler replacement, and gasket service.
Routine Maintenance:
Scheduled maintenance tasks, oil changes, filter replacements, and lubrication points.
Troubleshooting:
Diagnostic procedures for common electrical, mechanical, and engine performance issues with symptom-based troubleshooting charts.
Repair And Rebuild:
Detailed step-by-step instructions for component removal, repair, and installation, including full engine and transmission rebuilds.
Diagnostic Codes:
Listing and explanation of diagnostic trouble codes (DTCs) generated by the onboard diagnostics system.
Specifications And Tolerances:
Precise torque specifications, clearances, fluid capacities, and wear tolerances for all serviceable components.
Wiring Diagrams:
Comprehensive electrical schematics for all major systems, including lighting, ignition, starting, and accessories.
Special Tools:
Identification and usage instructions for specialized tools required for specific repair procedures.
Depth Of Coverage:
Comprehensive, covering from basic maintenance to complete engine and transmission overhauls.
Engine Type:
Air-cooled, Twin Cam 103 V-twin
Displacement:
103 cu in (1690 cc)
Bore X Stroke:
3.875 in x 4.375 in (98.4 mm x 111.1 mm)
Torque Peak:
Approx. 99.5 ft-lb (135 Nm) at 3,000 rpm (specifications can vary slightly by tuning)
Horsepower Peak:
Estimated 70-75 HP (actual figures vary and are not always officially stated by Harley-Davidson, but this is a commonly cited range for the Twin Cam 103 in this configuration).
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Premium Unleaded Gasoline, minimum 91 octane
Infotainment System:
Basic instrumentation typically includes speedometer, tachometer, fuel gauge, and indicator lights. Advanced infotainment is not a standard feature on the FXDB Street Bob.
Driver Assistance Features:
Optional ABS is the primary driver assistance feature. Cruise control may be available as an accessory or on specific sub-models.
Connectivity Options:
No integrated smartphone connectivity or Bluetooth as standard.
First Service Mileage:
1000 miles (1600 km)
Oil Change Interval:
Every 5000 miles (8000 km) or annually, whichever comes first.
Transmission Oil Change:
Every 10,000 miles (16,000 km) or annually.
Primary Chaincase Oil Change:
Every 10,000 miles (16,000 km) or annually.
Spark Plug Replacement:
Refer to manual for specific mileage, typically around 15,000-20,000 miles.
Engine Oil:
Harley-Davidson SYN3 (Synthetic) SAE 20W-50, or Harley-Davidson Genuine Motor Oil SAE 20W-50 (mineral).
Engine Oil Capacity:
3.7 US qt (3.5 L) with filter change.
Brake Fluid:
DOT 4 (for models without ABS). Refer to manual for ABS models.
Common Wear Items:
Clutch plates, brake pads, tires, wheel bearings, and fork seals are common wear items. Primary chain tensioner can require inspection/replacement.
Electrical Gremlins:
While generally robust, older models can sometimes experience minor electrical issues related to connections or the charging system, which this manual will help diagnose.
Brand History:
Harley-Davidson, founded in 1903, is an iconic American motorcycle manufacturer renowned for its V-twin engines and cruiser-style motorcycles.
Street Bob Lineage:
The Street Bob is part of Harley-Davidson's Dyna line, characterized by its bobbed fenders, minimalist styling, and a more traditional riding position compared to the Softail line. The Twin Cam 103 engine became standard for many Harley models around this period, offering increased torque and performance.
Manufacturing Location:
United States (Milwaukee, Wisconsin and Kansas City, Missouri)
