The 2006 Softail FLHRS Road King Custom represents a premium cruiser, blending classic styling with modern performance and comfort. Featuring swept-back handlebars, custom accents, and the robust Twin Cam 88B V-twin engine with a 1450cc displacement, this model offers a comfortable riding position suitable for long-distance touring. Its design emphasizes aesthetics, with chrome details and a unique custom look that sets it apart. Built with a steel frame for stability, the Road King Custom is engineered for a refined riding experience, embodying a rich heritage in motorcycle manufacturing. This comprehensive service and repair manual provides detailed information for the 2006 Softail FLHRS Road King Custom, covering all aspects of maintenance, diagnosis, and repair. It includes in-depth procedures for the engine, fuel system, transmission, electrical system, brakes, suspension, and bodywork. With factory-level technical detail, troubleshooting guides, wiring diagrams, and torque specifications, this manual is an essential resource for both DIY enthusiasts and professional mechanics. The English-language manual is fully printable and designed to assist users in maintaining the optimal performance and longevity of their motorcycle. 🏷️ Basic Information Identification Make: Harley-Davidson Model: Softail FLHRS Road King Custom Year: 2006 Chassis Code: FLHRS 👋 Introduction Market Position Positioning: Premium cruiser, offering classic styling with modern performance and comfort Key Features Styling: Custom styling with swept-back handlebars, custom seat, chrome accents, and floorboards Engine: Harley-Davidson's Twin Cam 88B V-twin engine Ride Comfort: Long-distance touring capability combined with a comfortable riding position 📋 Manual Details Coverage Areas Primary Coverage: Full Service and Repair Scope: Comprehensive for DIY and Professional Mechanics Page Count Estimated Page Count: Refer to original Harley-Davidson Service Manual specification (typically 600+ pages for full service manuals) Manual Type Type: Service Repair Manual Language Language: English Format File Format: PDF Download Printability: Full Printable Zoom Capability: Yes 📖 Manual Coverage Systems Covered Engine Service: Complete engine disassembly, inspection, assembly, and troubleshooting (e.g., Twin Cam 88B) Fuel System: Fuel injection (EFI) system diagnosis and repair, fuel pump, injectors, sensors Ignition System: Ignition module, coils, spark plugs, troubleshooting Transmission: Primary drive, clutch, gearbox (5-speed Cruise Drive), troubleshooting, rebuilding Electrical System: Wiring diagrams, charging system, starting system, lighting, battery, diagnostic codes Braking System: Front and rear brake systems, hydraulic lines, calipers, master cylinders, ABS (if equipped) Suspension: Front fork (showa or similar), rear shock absorbers, adjustment, service Wheels And Tires: Wheel bearing service, tire replacement, balancing Frame And Body: Frame inspection, fairing, fenders, tank, seat, handlebars, controls Exhaust System: Exhaust pipes, mufflers, catalytic converter (if applicable) Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, lubrication Troubleshooting: Diagnostic procedures for common and uncommon issues, fault code interpretation Repair: Step-by-step repair instructions for all major components Rebuilding: Complete engine and transmission rebuilding procedures Wiring Diagrams: Detailed electrical system wiring diagrams Torque Specifications: All critical fastener torque specifications Technical Depth Depth: Full factory-level technical detail for diagnostics, repair, and rebuilding 📊 Manual Specifications File Format Format Details: PDF Print Quality Print Quality: High-resolution diagrams and text for clear printing Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Requirements Software Requirements: Adobe Acrobat Reader, WinZip or equivalent decompression software Compatibility: All versions of Windows and macOS ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, Twin Cam 88B V-twin Displacement: 1450cc (88 cubic inches) Bore X Stroke: 3.75 in. x 4.00 in. (95.25 mm x 101.6 mm) Compression Ratio: 8.9:1 Performance Horsepower: Approx. 65-70 HP (at crankshaft, varies by exhaust and tuning) Torque: Approx. 80-85 ft-lbs (at crankshaft, varies by exhaust and tuning) Fuel System Fuel Delivery: Electronic Sequential Port Fuel Injection (ESPFI) Cooling System Cooling Method: Air-cooled 🔧 Transmission Standard Type: 5-speed Cruise Drive Primary Drive: Duplex chain, compensator sprocket, friction-type clutch Final Drive: Belt drive Features Clutch Type: Hydraulically actuated, multi-plate wet clutch 📐 Dimensions Exterior Length: Approx. 94.5 in. (2400 mm) Wheelbase: Approx. 64.5 in. (1638 mm) Weights Dry Weight: Approx. 673 lbs (305 kg) Gross Vehicle Weight Rating Gvwr: Approx. 1050 lbs (476 kg) Fuel Capacity Fuel Tank Capacity: 5.0 US gal (19.0 L) Dimensions Seat Height Laden: Approx. 26.5 in. (673 mm) 🛡️ Safety Features Ratings Crash Test Ratings: Motorcycle safety is not rated by agencies like NHTSA in the same way as automobiles. Focus is on rider protection and vehicle stability. Active Features Braking: Dual front disc brakes, single rear disc brake Lighting: Halogen headlight, LED tail light and brake light Passive Features Frame Construction: Steel frame designed for stability and handling 💡 Technology Features Infotainment Audio System: Factory-equipped or aftermarket audio systems may be present, often with handlebar-mounted controls. Driver Assistance Cruise Control: Likely equipped with electronic cruise control, a common feature on Road King models. Connectivity Diagnostics: On-board diagnostics (OBD-II for motorcycles) capabilities allowing for error code retrieval via a diagnostic port. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual (typically every 5,000...