Welcome to the essential guide for your 2006 Softail FLHRSI Road King Custom. This iconic cruiser, a testament to an enduring legacy since 1903, combines classic styling with the robust performance of its air-cooled Twin Cam 96B engine. Renowned for its comfortable ride and distinctive cruiser aesthetic, the Road King series, built upon the innovative Softail chassis, offers a unique blend of heritage and modern engineering. This particular model, produced between 2004 and 2006, is celebrated for its reliable performance and the distinctive V-twin experience that is globally recognized for, making it a favored choice for touring and everyday riding. This comprehensive Factory Service Manual (FSM) / Workshop Service Repair Manual (WSRM) is designed to be your authoritative resource for all aspects of your 2006 Softail FLHRSI Road King Custom. Covering full service, repair, maintenance, and troubleshooting, this extensive manual provides detailed, step-by-step instructions, complete with high-resolution diagrams and exploded views. It thoroughly addresses engine service, transmission repair, drivetrain maintenance, chassis and suspension work, electrical systems, fuel systems, braking, and more. Whether you are a dedicated owner, an independent mechanic, or a DIY enthusiast, this manual will equip you with the factory-level knowledge needed to maintain, diagnose, and repair your motorcycle, ensuring its optimal performance and longevity. 🏷️ Basic Information Identification Make: Harley-Davidson Model: Softail FLHRSI Road King Custom Year: 2006 Codes Vin Prefix: 1HD1 👋 Introduction Market Position Target Audience: Harley-Davidson owners, independent repair shops, DIY enthusiasts Competitive Analysis Value Proposition: Provides factory-level repair and maintenance information, saving significant costs compared to dealership service. Key Features Instructional Style: Step-by-step instructions with detailed diagrams and exploded views for clarity. Convenience: Instant digital download, accessible on multiple devices for on-the-go troubleshooting. 📋 Manual Details Coverage Areas Primary Coverage: Full Service, Repair, Maintenance, Troubleshooting Page Count Estimated Pages: Extensive (typical for WSRM, often 500+ pages) Manual Type Type: Factory Service Manual (FSM) / Workshop Service Repair Manual (WSRM) Language Language: English Format Format: PDF (Downloadable) 📖 Manual Coverage Systems Covered Engine Service: Complete engine disassembly, assembly, troubleshooting, tuning (fuel injection, ignition) Transmission Service: Service and repair of the 6-speed cruise drive transmission Drivetrain Service: Primary drive, final drive belt inspection and replacement Chassis Service: Frame, swingarm, suspension (forks, rear shocks) maintenance and repair Electrical System: Wiring diagrams, component testing, battery, charging system, ignition system, lighting, accessories Fuel System: Fuel injection system (EFI), fuel pump, injectors, throttle body, fuel tank service Braking System: Front and rear brake caliper service, master cylinders, hydraulic lines, bleeding procedures Wheel Tire Service: Wheel bearing replacement, tire mounting and balancing Control Systems: Handlebars, controls, cables, clutch and throttle operation Bodywork Trim: Fender removal/installation, fairing, saddlebag service Procedures Included Maintenance Tasks: Scheduled maintenance, oil changes, filter replacements, lubrication Troubleshooting Diagnostics: Systematic troubleshooting guides for common and uncommon issues, diagnostic codes Repair Procedures: Step-by-step instructions for component repair and replacement, including detailed exploded views Technical Depth Diagnostic Capabilities: Advanced diagnostics for EFI, ignition, and sensor systems Rebuild Procedures: Complete engine and transmission rebuild procedures Calibration Procedures: Fuel system and ignition calibration details 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Full printable, high-resolution diagrams Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Zoom Functionality Zoom Capability: Yes Requirements Software Requirements: Adobe Acrobat Reader, WinZip ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, Twin Cam 96B (1584cc) Bore X Stroke: 3.75 in. x 4.38 in. (95.25 mm x 111.25 mm) Compression Ratio: 8.9:1 Performance Torque: 92.6 ft-lbs @ 3500 RPM (125.5 Nm @ 3500 RPM) (typical for Twin Cam 96) Fuel System Fuel Delivery: Electronic Sequential Port Fuel Injection (ESPFI) Fuel Type: 91 octane or higher unleaded gasoline Ignition System Ignition Type: Crankshaft position sensor, coil-over-plug 🔧 Transmission Standard Transmission Type: 6-speed Cruise Drive Features Gear Ratios: 1st: 9.312, 2nd: 6.445, 3rd: 4.774, 4th: 3.827, 5th: 3.143, 6th: 2.790 Clutch Type: Clutched, hydraulically actuated, 9-plate, wet Transmission Fluid Type: Harley-Davidson Formula + transmission/primary chaincase lubricant 📐 Dimensions Exterior Length: 92.3 in. (2345 mm) Width: 36.6 in. (930 mm) Height: 53.5 in. (1360 mm) Weights Dry Weight: 676 lbs (306.6 kg) Gvwr: 1160 lbs (526.2 kg) Wheels Tires Front Tire: 130/90B16 67H Rear Tire: 150/80B16 77H Wheel Base: 64.2 in. (1630 mm) Ground Clearance: 4.8 in. (122 mm) Fuel Fuel Tank Capacity: 5.0 US gal. (18.9 L) 🛡️ Safety Features Active Features Braking System: Dual-action, front and rear hydraulic disc brakes Lighting: Halogen headlamp, LED tail lamp, turn signals Passive Features Frame Construction: Steel, cradle frame 💡 Technology Features Infotainment Audio System: Optional premium audio system with AM/FM, CD player (may vary by specific configuration). Driver Assistance Cruise Control: Electronic cruise control Connectivity Diagnostic Tools: Manual provides information for using diagnostic tools for EFI and other electronic systems. 🔧 Maintenance Service Intervals Initial Service: 1000 miles (1600 km) or 6 months, whichever comes...