Segment:
Full-size, premium touring motorcycle
Target Audience:
Motorcycle enthusiasts, customizers, professional mechanics, DIY enthusiasts
Key Competitors:
Other premium American touring bikes (e.g., Indian Roadmaster), certain European touring motorcycles
Styling:
Classic Harley-Davidson cruiser styling with modern touring amenities, distinctive bat-wing fairing
Comfort:
Ergonomic seating, large fairing for wind protection, ample storage (saddlebags)
Performance:
Torquey V-twin engine, comfortable cruising performance
Engine:
Twin Cam 103 (1690cc), Engine disassembly, assembly, tuning, lubrication, cooling, fuel injection (EFI), ignition, starting, charging
Transmission:
6-Speed Cruise Drive, clutch, gearbox overhaul, shifting mechanism, lubrication, troubleshooting
Chassis And Suspension:
Frame, front fork (Telescopic), rear shock absorbers, steering, wheel bearings, swingarm
Brakes:
Front and rear hydraulic disc brakes, ABS system (if equipped), brake fluid, calipers, master cylinders, bleeding procedures
Electrical System:
Wiring diagrams, battery, alternator, starter motor, lighting system, ignition switch, security system, diagnostics, fault codes
Fuel System:
Fuel tank, fuel pump, fuel injectors, throttle body, fuel pressure testing, emissions control
Exhaust System:
Exhaust pipes, mufflers, catalytic converter (if applicable), gaskets, O2 sensors
Bodywork And Trim:
Fairing, saddlebags, fenders, seat, handlebars, instrument panel, lighting components
Controls And Cables:
Throttle cables, clutch cable, brake cables, shifter linkage
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug replacement, brake fluid flush, clutch fluid flush, tire pressure checks
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault code interpretation, symptom-based troubleshooting charts
Repair:
Step-by-step repair instructions for all major components and systems, including engine rebuilds, transmission overhauls, suspension repairs, and electrical component replacement
Overhaul:
Detailed instructions for complete disassembly and reassembly of major mechanical components
Diagnostics:
Guidance on using diagnostic tools, interpreting sensor data, and identifying electrical faults
Special Tools:
Identification and usage instructions for specialized Harley-Davidson tools required for specific repairs
Depth:
Comprehensive: Covers basic maintenance to full engine and transmission rebuilds, electrical system diagnostics, and bodywork repair.
Engine Family:
Harley-Davidson Twin Cam
Engine Displacement:
1690 cc (103 cubic inches)
Engine Configuration:
45-degree V-twin, air-cooled
Bore X Stroke:
3.875 in x 4.38 in (98.4 mm x 111.3 mm)
Horsepower:
Approx. 75 HP (at crank, estimated for 2012 Twin Cam 103)
Torque:
Approx. 98 ft-lbs (at crank, estimated for 2012 Twin Cam 103)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded gasoline, minimum 89 octane recommended
Oil Type:
Harley-Davidson V-Twin Synthetic 20W-50 Engine Oil (or equivalent)
Oil Capacity:
3.7 US quarts (3.5 liters) with filter change
Crash Test Ratings:
N/A (Motorcycle safety is regulated differently than automobiles; focus on design and component safety)
ABS:
Anti-lock Braking System (Optional, depending on specific trim/package)
Cruise Control:
Standard electronic cruise control
Lighting:
Halogen headlight, LED tail light and brake light, amber turn signals
Security:
H-D Smart Security System with key fob (Standard)
Audio System:
Boom!™ Audio system with AM/FM radio, CB/intercom functionality (optional), and CD player (standard on some trims), likely with 5.25-inch speakers.
Display:
Analog gauges with an integrated LCD display for odometer, trip meter, gear indicator, fuel level, and diagnostic codes.
Cruise Control:
Electronic cruise control standard for relaxed highway cruising.
Usb Port:
Likely an optional accessory, not standard on base models.
Bluetooth:
Not standard in 2012, typically an accessory upgrade for audio systems.
First Service:
1000 miles (1600 km) or 12 months, whichever comes first (includes engine oil, filter, primary chaincase inspection, transmission oil check, clutch adjustment, etc.)
Subsequent Oil Change:
Every 5000 miles (8000 km) or 6 months
Spark Plugs:
Inspect every 10,000 miles (16,000 km), replace as needed
Brake Fluid Flush:
Every 24 months, regardless of mileage
Engine Oil Viscosity:
20W-50
Transmission Oil Type:
Harley-Davidson Formula+ or equivalent
Primary Chaincase Oil:
Harley-Davidson Formula+ or equivalent
Brake Fluid Type:
DOT 4 (for ABS models), DOT 5.1 (for non-ABS models, verify specific requirements)
Common Wear Items:
Clutch plates, brake pads, tires, wheel bearings, fork seals, battery.
Electrical Gremlins:
Occasional issues with wiring harness connections, particularly in the fairing and rear sections. Faulty relays or switches.
Engine Performance:
Potential for carbon buildup in combustion chambers over time, affecting performance. Oil leaks from primary cover or engine cases.
Suspension:
Fork seals can degrade, leading to leaks. Rear shock absorbers may require rebuild or replacement after high mileage.
Brand Establishment:
Founded in 1903, Milwaukee, Wisconsin.
Iconic Status:
Harley-Davidson is an iconic American brand synonymous with freedom, individuality, and classic motorcycle design.
Street Glide Origin:
The Street Glide line, known for its fairing and saddlebags, evolved from Harley-Davidson's touring models, offering a more stripped-down aesthetic compared to the Ultra Classic.
Twin Cam 103 Introduction:
The Twin Cam 103 engine was progressively introduced across various models, offering increased displacement and torque for improved touring and acceleration.
Manufacturing Location:
United States (Various Harley-Davidson facilities)
