Engine:
103ci (1690cc) Twin Cam 103 V-Twin engine: disassembly, assembly, inspection, diagnostics, and repair
Fuel System:
Fuel injection (EFI), throttle body, injectors, fuel pump, fuel lines, fuel tank servicing
Ignition System:
Ignition module, spark plugs, ignition coils, timing, diagnostics
Exhaust System:
Mufflers, headpipes, catalytic converters (if applicable), mounting, and sealing
Transmission:
6-speed Cruise Drive: disassembly, assembly, inspection, lubrication, and repair
Clutch:
Primary drive system, clutch assembly, plates, springs, hydraulic actuation
Drivetrain:
Final drive belt, sprockets, tensioning, inspection
Suspension Front:
Telescopic fork: disassembly, rebuilding, fluid changes, adjustments, seals
Suspension Rear:
Shock absorbers: replacement, adjustment, mounting
Brakes Front:
Brake caliper, rotors, master cylinder, brake lines, fluid bleeding, service
Brakes Rear:
Brake caliper, rotor, master cylinder, brake lines, fluid bleeding, service
Wheels Tires:
Wheel bearing service, tire mounting and balancing, rim inspection
Electrical System:
Battery, charging system (alternator, regulator), starting system (starter, solenoid), lighting, fuses, relays, wiring diagrams
Instrumentation:
Speedometer, tachometer, fuel gauge, indicator lights, diagnostic codes
Bodywork Frame:
Frame inspection, fairing removal/installation, fenders, seat, fuel tank mounting, saddlebags
Controls:
Handlebar, grips, levers, cables, foot controls, cruise control system
Diagnostics:
Troubleshooting procedures, diagnostic trouble codes (DTCs), service data, diagnostic tools (e.g., H-D Digital Technician)
Routine Maintenance:
Oil changes, filter replacements, air filter service, spark plug replacement, lubrication points, brake fluid flush
Disassembly Assembly:
Complete component-level disassembly and reassembly procedures for all major systems
Repair Rebuild:
Detailed instructions for rebuilding engine components, transmission, forks, and brake systems
Troubleshooting:
Systematic diagnostic flowcharts and symptom-based troubleshooting guides
Electrical Diagnostics:
Fault finding for electrical issues, including testing of sensors, actuators, and wiring harnesses
Component Testing:
Specifications and procedures for testing individual components (e.g., voltage output of alternator, resistance of sensors)
Torque Specifications:
Comprehensive list of all critical torque values for fasteners and assembly points
Special Tools:
Identification and usage of specialized Harley-Davidson tools required for specific procedures
Depth:
Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds, including electrical system diagnostics and troubleshooting
Engine Type:
Air-cooled, Twin Cam 103 V-Twin
Displacement:
103 cubic inches (1690 cc)
Bore X Stroke:
3.875 in x 4.38 in (98.4 mm x 111.1 mm)
Valvetrain:
Pushrod-actuated, overhead valves with 2 valves per cylinder
Horsepower:
Approx. 75 HP (Varies slightly with emissions and specific tuning, actual figures would be in manual)
Torque:
Approx. 98 ft-lbs @ 3,500 RPM (Varies slightly with emissions and specific tuning, actual figures would be in manual)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI) with Delphi Electronic Fuel Control (ECU)
Fuel Type:
Premium unleaded gasoline, minimum 91 octane
Oil Type:
Harley-Davidson Genuine V-Twin Oil SAE 20W-50
Oil Capacity:
3.7 US qt (3.5 L) (with filter change, specific value in manual)
First Service:
1,000 miles (1600 km) or 6 months (whichever comes first)
Subsequent Service:
Every 5,000 miles (8,000 km) or 12 months (whichever comes first)
Engine Oil Change:
Recommended every 5,000 miles or annually, whichever comes first. Manual will specify exact mileage and condition-based recommendations.
Transmission Oil Change:
Recommended every 10,000 miles (16,000 km) or 24 months.
Primary Chain Case Oil Change:
Recommended every 10,000 miles (16,000 km) or 24 months.
Engine Oil Spec:
Harley-Davidson Genuine V-Twin Oil SAE 20W-50 (or equivalent meeting H-D specifications)
Transmission Oil Spec:
Harley-Davidson Formula +, SAE 85W-140 (or equivalent meeting H-D specifications)
Primary Chain Case Oil Spec:
Harley-Davidson Formula +, SAE 85W-140 (or equivalent meeting H-D specifications)
Brake Fluid Spec:
DOT 4 (Harley-Davidson acknowledges DOT 5.1 as a higher performance alternative but DOT 4 is standard for 2013)
Common Wear Items:
Clutch plates, brake pads, wheel bearings, fork seals, drive belt
Potential Electrical:
Wiring harness chafing, voltage regulator issues (less common on later Twin Cam models compared to earlier ones)
Engine Specific:
Some early Twin Cam 96 models experienced issues with cam chain tensioners; Twin Cam 103 generally more robust. Manual will detail proper inspection.
Brand Origin:
Founded in 1903 in Milwaukee, Wisconsin, USA
Brand Philosophy:
Focus on American V-twin motorcycles, customization, and the rider experience
Road King Introduction:
The Road King nameplate was introduced in 1994, evolving from earlier touring models like the Electra Glide Sport.
Flhr Development:
The FLHR model represents a classic touring motorcycle with a stripped-down aesthetic compared to fully-faired models, emphasizing comfort and luggage capacity.
Manufacturer Location:
Milwaukee, Wisconsin, USA and other Harley-Davidson assembly plants
Model Significance 2013:
The 2013 model year features the Twin Cam 103 engine as standard, a significant upgrade for performance and torque.