Segment:
        
        
            Premium Touring Motorcycle
        
     
    
        
            Target Audience:
        
        
            Motorcyclists seeking long-distance comfort, classic styling, and the ability to perform their own maintenance and repairs.
        
     
    
    
        
            Key Competitors:
        
        
            Other large-displacement touring motorcycles from brands like Honda (Gold Wing), Kawasaki (Voyager), Indian (Roadmaster), and other Harley-Davidson touring models.
        
     
    
    
        
            Vehicle Appeal:
        
        
            Classic styling, comfortable ride, V-twin engine rumble, extensive touring capabilities, extensive customization potential.
        
     
    
    
        
            Benefit To Owner:
        
        
            Enables owners to perform maintenance, diagnostics, and repairs efficiently and accurately, saving time and money, and ensuring proper upkeep of the motorcycle.
        
     
 
    
    
    
        
            Powertrain:
        
        
            Engine (Twin Cam 96), Fuel System (EFI), Transmission (5-speed), Clutch, Final Drive (Belt)
        
     
    
        
            Chassis:
        
        
            Frame, Suspension (Front and Rear), Wheels, Tires, Brakes (Front and Rear), Steering
        
     
    
        
            Electrical:
        
        
            Ignition System, Lighting, Instruments, Battery, Charging System, Starter, Fault Diagnosis
        
     
    
        
            Bodywork And Trim:
        
        
            Body panels, Fairings, Saddlebags, Windshield, Seat, Controls, Styling Elements
        
     
    
        
            Fuel System Details:
        
        
            EFI tuning, sensor diagnostics, fuel pump operation, injector service.
        
     
    
    
        
            Maintenance:
        
        
            Routine checks, Lubrication, Fluid changes, Filter replacements, Spark plug service
        
     
    
        
            Repair:
        
        
            Engine disassembly/reassembly, Transmission overhaul, Brake system repair, Electrical component replacement
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures, Symptom-based troubleshooting, Wiring diagrams interpretation
        
     
    
        
            Engine Rebuild:
        
        
            Detailed procedures for cylinder head removal, piston installation, crankshaft inspection, and complete engine assembly.
        
     
    
        
            Suspension Service:
        
        
            Fork seal replacement, fork oil changes, rear shock absorber adjustments and replacement.
        
     
    
        
            Electrical Diagnostics:
        
        
            Wiring diagrams, troubleshooting flowcharts for common electrical faults, component testing procedures.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering basic to advanced repair and diagnostic procedures, suitable for professional mechanics and experienced DIY enthusiasts.
        
     
 
    
    
    
        
            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:
        
        
            8.9:1 (typical for Twin Cam 96)
        
     
    
    
        
            Horsepower:
        
        
            Approximately 70-80 HP (estimated, specific dyno figures vary)
        
     
    
        
            Torque:
        
        
            Approximately 90-95 ft-lbs (estimated, specific dyno figures vary)
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Sequential Port Fuel Injection (ESPFI)
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, minimum 91 octane
        
     
    
    
        
            Ignition System:
        
        
            High-performance electronic ignition
        
     
 
    
    
    
        
            Transmission Type:
        
        
            5-speed Cruise Drive
        
     
    
        
            Gear Ratios:
        
        
            1st: 9.312, 2nd: 6.420, 3rd: 4.774, 4th: 3.750, 5th: 3.150 (typical for 5-speed Cruise Drive)
        
     
    
        
            Clutch Type:
        
        
            Clutched, mechanically actuated, wet multi-plate
        
     
    
    
        
            Final Drive:
        
        
            Carbon fiber belt, 2.21:1 ratio
        
     
    
    
        
            Transmission Fluid Type:
        
        
            Harley-Davidson Formula + (or equivalent SAE 50 transmission lubricant)
        
     
    
        
            Transmission Fluid Capacity:
        
        
            Approx. 24 US fl oz (0.71 L)
        
     
 
    
    
    
        
            Crash Test Ratings:
        
        
            N/A (Motorcycles are not rated by NHTSA in the same way as cars).
        
     
    
    
        
            Braking System:
        
        
            Dual front disc brakes, Single rear disc brake. 2006 models may feature optional ABS (Anti-lock Braking System).
        
     
    
        
            Lighting:
        
        
            Halogen headlight, LED tail light and stop light, front and rear turn signals.
        
     
    
    
        
            Ride Control:
        
        
            Robust chassis and suspension for stable handling.
        
     
 
    
    
    
        
            Audio System:
        
        
            Factory-installed AM/FM radio with CD player and CB/Intercom capability (depending on specific trim/options).
        
     
    
        
            Display:
        
        
            Analog speedometer and tachometer with integrated digital display for odometer, trip meters, and gear selection.
        
     
    
    
        
            ABS:
        
        
            Optional Anti-lock Braking System (ABS) available on some 2006 FLHRCI models.
        
     
    
    
        
            Cruise Control:
        
        
            Standard electronic cruise control for highway comfort.
        
     
 
    
    
    
        
            First Service:
        
        
            1,000 miles (1,600 km) or 6 months (whichever comes first)
        
     
    
        
            Subsequent Service:
        
        
            Every 5,000 miles (8,000 km) or 12 months (whichever comes first) for most routine maintenance.
        
     
    
    
        
            Engine Oil Type:
        
        
            Harley-Davidson SYN3 Full Synthetic (or equivalent SAE 20W-50 motorcycle oil, meeting Harley-Davidson specifications)
        
     
    
        
            Engine Oil Capacity:
        
        
            Approx. 4.0 US quarts (3.8 L) with filter change
        
     
    
        
            Primary Chain Case Fluid Type:
        
        
            Harley-Davidson Formula + (or equivalent SAE 50 primary lubricant)
        
     
    
        
            Primary Chain Case Fluid Capacity:
        
        
            Approx. 2.8 US quarts (2.6 L)
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 4 (for ABS and non-ABS models)
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch plates, brake pads, tires, drive belt, wheel bearings, potential exhaust leaks, primary compensator issues on some Twin Cam models.
        
     
    
        
            Electrical Quirks:
        
        
            Occasional issues with voltage regulators, starter solenoids, and accessory wiring can occur over time.
        
     
 
    
    
    
        
            Legacy:
        
        
            Harley-Davidson, established in 1903, renowned for its iconic V-twin engines, cruiser styling, and strong rider community.
        
     
    
    
        
            Road King Lineage:
        
        
            The Road King line has been a staple of Harley-Davidson's touring segment, known for its classic styling that evokes older era touring bikes, featuring detachable windshields and classic chrome accents.
        
     
    
        
            Twin Cam Era:
        
        
            The 2006 model features the Twin Cam 96 engine, which replaced earlier Evolution engines, offering increased displacement, power, and torque.
        
     
    
    
        
            Manufacturing Location:
        
        
            USA (Harley-Davidson plants in York, Pennsylvania, and Milwaukee, Wisconsin are primary assembly locations).