Engine:
        
        
            Detailed diagnosis, disassembly, assembly, inspection, and repair of the Harley-Davidson Twin Cam 103 engine.
        
     
    
        
            Fuel System:
        
        
            EFI (Electronic Fuel Injection) system, fuel pump, injectors, fuel tank, lines, diagnostics.
        
     
    
        
            Ignition System:
        
        
            Ignition module, coil, spark plugs, wiring, diagnostics.
        
     
    
        
            Exhaust System:
        
        
            Exhaust pipes, mufflers, catalytic converters (if applicable), heat shields, mounting.
        
     
    
        
            Transmission:
        
        
            6-speed Cruise Drive transmission: disassembly, assembly, lubrication, troubleshooting, component replacement.
        
     
    
        
            Clutch:
        
        
            Clutch operation, adjustment, replacement, hydraulic system.
        
     
    
        
            Drivetrain:
        
        
            Primary drive, compensator sprocket, clutch shell, drive chain/belt, rear belt drive system maintenance and inspection.
        
     
    
        
            Frame And Suspension:
        
        
            Frame inspection, front forks (telescopic), rear shock absorbers, wheel bearings, steering head bearings.
        
     
    
        
            Brakes:
        
        
            Front and rear brake systems: hydraulic components, calipers, rotors, master cylinders, brake fluid service, ABS (Anti-lock Braking System) diagnostics.
        
     
    
        
            Wheels And Tires:
        
        
            Wheel types, tire maintenance, pressure, replacement, balancing.
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, battery, charging system (alternator, regulator), starting system (starter motor), lighting, instrumentation, accessory power.
        
     
    
        
            Lighting System:
        
        
            Headlight, taillight, turn signals, auxiliary lighting, bulb replacement, LED systems.
        
     
    
        
            Instrumentation And Gauges:
        
        
            Speedometer, tachometer, fuel gauge, voltage meter, indicator lights, troubleshooting.
        
     
    
        
            Bodywork And Trim:
        
        
            Fairing (Batwing style), saddlebags, fenders, fuel tank, seat, controls, removal, installation, and cosmetic repairs.
        
     
    
        
            Infotainment System:
        
        
            Boom! Box infotainment system, radio, speakers, connectivity (Bluetooth, USB), diagnostics.
        
     
    
        
            Cruise Control:
        
        
            Operation, troubleshooting, and repair of the electronic cruise control system.
        
     
    
        
            Security System:
        
        
            Smart Security System operation, fob programming, troubleshooting.
        
     
    
    
        
            Scheduled Maintenance:
        
        
            Detailed procedures for all scheduled maintenance intervals.
        
     
    
        
            Troubleshooting:
        
        
            Comprehensive diagnostic flowcharts and symptom-based troubleshooting guides for all systems.
        
     
    
        
            Disassembly And Assembly:
        
        
            Step-by-step instructions for component removal, repair, and reinstallation.
        
     
    
        
            Component Testing:
        
        
            Procedures for testing sensors, actuators, electrical components, and mechanical parts.
        
     
    
        
            Wiring Diagrams:
        
        
            Full-color, detailed wiring diagrams for all electrical systems.
        
     
    
        
            Special Tools:
        
        
            Identification and usage of specialized tools required for specific repairs.
        
     
    
        
            Specifications And Tolerances:
        
        
            Precise torque values, clearances, and measurement specifications for all components.
        
     
    
        
            Fluid And Lubricant Replacement:
        
        
            Instructions for changing engine oil, transmission oil, primary chaincase oil, and brake fluid.
        
     
    
    
        
            Depth:
        
        
            Comprehensive; covers everything from basic maintenance and fluid changes to complete engine and transmission rebuilds, advanced electrical diagnostics, and bodywork repair.
        
     
 
    
    
    
        
            Initial Service:
        
        
            First service typically at 1,000 miles (1600 km) or 6 months.
        
     
    
        
            Subsequent Service:
        
        
            Subsequent service intervals generally every 5,000 miles (8,000 km) or 12 months, whichever comes first. Refer to manual for specifics.
        
     
    
    
        
            Engine Oil:
        
        
            Harley-Davidson SYN3 (fully synthetic) or equivalent SAE 20W-50 motorcycle oil meeting Harley-Davidson specification.
        
     
    
        
            Engine Oil Capacity:
        
        
            Approx. 4 quarts (3.8 L) with filter change.
        
     
    
        
            Transmission Oil:
        
        
            Harley-Davidson Formula+ Transmission Lubricant or equivalent SAE 50 motorcycle transmission oil.
        
     
    
        
            Primary Chaincase Oil:
        
        
            Harley-Davidson Formula+ Transmission Lubricant or equivalent SAE 50 motorcycle transmission oil.
        
     
    
        
            Brake Fluid:
        
        
            DOT 4 Synthetic Brake Fluid (refer to manual for specific Harley-Davidson P/N).
        
     
    
        
            Fork Oil:
        
        
            Refer to manual for specific viscosity and type, typically a high-quality suspension fluid.
        
     
    
    
        
            Cam Chain Tensioner:
        
        
            Early Twin Cam models had issues with hydraulic cam chain tensioners. 2014-2017 models typically feature upgraded tensioners, but inspection is still recommended.
        
     
    
        
            Compensator Nut:
        
        
            Loose compensator sprocket lock nut can lead to primary drive noise and damage. Torque check and thread locker is crucial.
        
     
    
        
            Harley Diagnostic Codes:
        
        
            The manual provides extensive lists of diagnostic trouble codes (DTCs) for troubleshooting.