This manual covers the FLHRS Road King Custom from 2004, a model built on the robust Big Twin platform. Renowned for its classic styling and touring capabilities, the FLHRS offers a distinctive riding experience, featuring a 1450cc (96 cubic inches) engine, a 5-speed transmission, and cruise control as standard. Its engineering prioritizes reliability and performance, making it a popular choice for long-distance journeys and custom enthusiasts. This comprehensive factory service repair manual in English provides detailed guidance on all aspects of the FLHRS, including engine, drivetrain, chassis, and electrical systems. It offers step-by-step procedures for maintenance, repair, and diagnostics, supported by numerous illustrations and wiring diagrams. The manual is designed to empower owners and professional technicians alike, enabling them to effectively maintain, troubleshoot, and repair the motorcycle, ensuring its optimal performance and longevity. 🏷️ Basic Information Identification Make: Harley-Davidson Model: FLHRS Road King Custom Year: 2004 Generation Platform: Harley-Davidson Big Twin Codes Model Code: FLHRS 👋 Introduction Market Position Target Audience: Harley-Davidson FLHRS Road King Custom 2004 owners and independent mechanics Competitive Analysis Manual Source: Actual Genuine Repair Service Factory Manuals (NOT 3rd party) Key Features Benefits: Empowers owners to perform maintenance and repairs, understand their motorcycle, save on labor costs, communicate effectively with mechanics Content Depth: Covers every detail, providing knowledge equivalent to factory-trained technicians Value Proposition Cost Savings: Potential to save $50-$60 per hour on shop labor costs by performing DIY servicing 📋 Manual Details Coverage Areas Primary Focus: Service, Repair, Maintenance, Troubleshooting, Diagnostics, Electrical Systems, Wiring Diagrams Page Count Estimated Pages: Hundreds (precise number not specified, but comprehensive) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download File Format Format: PDF Compatibility: Windows, Mac Readability: Requires Adobe PDF Reader Print Quality Printability: Printable without restriction (entire manual or selected pages) Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Delivery Delivery Method: Instant download link upon payment completion Searchability Text Search: Searchable PDF functionality 📖 Manual Coverage Systems Covered Engine: Engine (general), Engine Lubrication System, Engine Management Systems, Engine Removal/Installation Drivetrain: Clutch, Transmission, Drive, Final Drive Chassis: Chassis, Frame, Steering, Suspension, Wheels, Tires, Brakes Electrical: Electrical System, Wiring Diagrams, Fuel System Cooling: Cooling System (if applicable to engine variant) Bodywork: Bodywork, fairings (if applicable), fenders, fuel tank, saddlebags Instrumentation: Gauges, warning lights, and their function Procedures Included Maintenance: Routine Maintenance, Service Intervals, Fluid Checks and Replacements Repair: Step-by-step repair procedures for all covered systems, component replacement, rebuilding Diagnostics: Troubleshooting common fault symptoms, diagnosing engine issues, electrical troubleshooting, part testing techniques Tuning: Tuning procedures Electrical Diagnostics: Detailed troubleshooting and electrical service procedures combined with detailed wiring diagrams Technical Depth Depth: Comprehensive factory-level detail, suitable for professional technicians and experienced owners Illustrations: Includes detailed illustrations, drawings, photos, enlarged insets, and diagrams Guidance: Step-by-step instructions, notes, cautions, warnings, numbered instructions ⚙️ Engine Specifications Primary Engine Engine Type: Harley-Davidson Twin Cam 88 (likely, based on model year and family) Displacement: 1450cc (96 cubic inches) - Standard for Twin Cam 88 Performance Horsepower: Specifications would be detailed within the manual; typically around 65-70 HP for this era's Twin Cam Torque: Specifications would be detailed within the manual; typically around 80-85 lb-ft for this era's Twin Cam Fuel System Fuel Delivery: Fuel Injection (likely Electronic Sequential Port Fuel Injection - ESPFI) Fuel Type: Unleaded gasoline (refer to manual for specific octane rating requirements) Engine Management Systems System Type: Engine management systems analysis 🔧 Transmission Standard Transmission Type: 5-speed manual Optional Transmission Type: N/A for this model Features Drive System: Belt drive Clutch Type: Wet, multi-plate 📐 Dimensions Exterior Wheelbase: Approx. 63.4 inches (1610 mm) Seat Height: Approx. 27.1 inches (688 mm) Weights Dry Weight: Approx. 675 lbs (306 kg) Gross Vehicle Weight Rating Gvwr: Specifications would be detailed within the manual 🛡️ Safety Features Ratings Crash Test Ratings: N/A for motorcycles in typical automotive crash rating systems Active Features Braking System: Hydraulic disc brakes (front and rear) Passive Features Lighting: Halogen headlight, LED taillight, turn signals 💡 Technology Features Infotainment Audio System: Optional (if equipped, typically AM/FM radio with cassette or CD player) Driver Assistance Cruise Control: Standard on Road King Custom models Connectivity Diagnostics: Manual facilitates understanding of diagnostic codes and system behavior 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual; typically every 2,500-5,000 miles or annually Major Service: Refer to manual for scheduled inspections and tune-ups Fluid Specifications Engine Oil Type: Refer to manual for specific Harley-Davidson recommended oil (e.g., Harley-Davidson SYN3 or equivalent SAE 20W-50 motorcycle oil) Primary Chain Case Oil: Refer to manual for specific Harley-Davidson primary lubricant Transmission Fluid: Refer to manual for specific Harley-Davidson transmission lubricant Brake Fluid: DOT 4 (refer to manual for specific confirmation and bleeding procedures) Known Issues Common Concerns: Manual would detail known issues and their solutions. Common areas for this era...