This manual covers the 2006 FLHRSI Road King Custom, a cruiser renowned for its blend of classic styling and touring comfort. Engineered with the characteristic V-Twin, air-cooled engine family, this model offers a robust riding experience. Its custom design and features make it suitable for both long-distance journeys and everyday cruising, embodying a rich heritage in motorcycle manufacturing. This comprehensive factory service repair manual is designed to assist owners, technicians, and mechanics in maintaining and repairing the 2006 FLHRSI Road King Custom. It provides complete coverage of all systems, including detailed information on general operations, maintenance schedules, chassis components, fuel and cooling systems, engine assembly and lubrication, clutch, drive system, transmission, wheels, tires, brakes, suspension, steering, frame, and electrical systems, including wiring diagrams. The manual includes step-by-step repair procedures, diagnostic guidance, troubleshooting tips, and common fixes, ensuring the vehicle remains in optimal condition. 🏷️ Basic Information Identification Make: Harley-Davidson Model: FLHRSI Road King Custom Year: 2006 Product Name: Harley Davidson FLHRSI Road King Custom 2006 Factory Manual PDF Download Codes Model Code: FLHRSI 👋 Introduction Market Position Positioning: Comprehensive official factory service manual for owners and professionals seeking in-depth repair and maintenance knowledge. Competitive Analysis Advantage: Actual genuine factory manual, not third-party. Provides information equivalent to what factory-trained technicians possess. Key Features Cost Savings: Potential to save $50-$60 per hour on shop labor costs. Usability: Easy to use, even for those not skilled with computers. Printable pages for convenient workspace use. Instructional Style: Numbered instructions, detailed illustrations, callouts, notes, cautions, and warnings. 📋 Manual Details Coverage Areas Primary Coverage: Complete factory service and repair All Styles Covered: Yes Page Count Estimated Pages: Hundreds Manual Type Type: Factory Service Repair Manual Source: Official Factory Manuals Language Language: English Format File Format: PDF Download Compatibility: All PC based Windows operating systems, Mac Readability Requirement: Adobe PDF Reader 📖 Manual Coverage Systems Covered General Information: Included Maintenance: Included Chassis: Included Fuel System: Included Cooling System: Included Engine: Included Clutch: Included Engine Lubrication System: Included Engine Removal Installation: Included Drive System: Included Transmission: Included Wheels Tires: Included Final Drive: Included Brakes: Included Suspension: Included Steering: Included Frame: Included Electrical System: Included Wiring Diagrams: Included Procedures Included Diagnostics: Engine fault symptom diagnosis, advanced troubleshooting guide Repair Approaches: Research and evaluation of repair strategies Part Testing: Techniques for testing suspected parts Wiring Tracing: Tracing and verifying wiring diagrams Engine Management: Understanding and analyzing engine management systems Common Fixes: Included for owner guidance Mechanic Communication: Guidance on discussing repairs with mechanics Preventative Tips: Tips for preventing escalation of minor problems Repair Guidance: Step-by-step repair procedures Electrical Service: Combined with wiring diagrams for ease of use Technical Depth Depth: Comprehensive; covers maintenance, repair, rebuilding, refurbishing, and restoration Target Audience: Owners, technicians, mechanics 📊 Manual Specifications File Format Format: PDF Quality: High Resolution Print Quality Printability: Printable in entirety or selected pages Searchability: Searchable text function included Binding Type Type: N/A (Digital Download) Paper Type Type: N/A (Digital Download) Delivery Method: Instant Download Link upon Payment Completion Shipping Cost: None ⚙️ Engine Specifications Primary Engine Engine Type: V-Twin, Air-Cooled (common for Harley-Davidson FLHRSI) Engine Family: Twin Cam 88 (expected for this era, specific to FLHRSI may vary slightly based on EFI/carburetion specifics not detailed in product info) Performance Displacement: 1450cc (approximate for Twin Cam 88) Fuel System Fuel Delivery: Electronic Sequential Port Fuel Injection (ESPFI) (likely for FLHRSI designation) 🔧 Transmission Standard Type: 5-Speed Cruise Drive (common for Harley-Davidson Big Twins) Optional Optional Transmissions: N/A (typically single transmission option per model year/trim) Features Features: Wet, multi-plate clutch; belt drive final drive (typical for this model) 📐 Dimensions Exterior Style: Cruiser with custom styling Weights Dry Weight: Approx. 700 lbs (317.5 kg) (typical for this model, exact spec would be in manual) 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Motorcycles typically not rated by NHTSA/IIHS like cars) Active Features Braking System: Dual front disc brakes, single rear disc brake (with hydraulic actuation) Passive Features Lighting: Headlamp, tail lamp, turn signals (as per standard motorcycle safety regulations) 💡 Technology Features Infotainment Audio System: Likely equipped with an AM/FM/Weather Band radio and CD player, common for touring models of this era. Display: Likely analog gauges with a small LCD information display for mileage, gear indicator, etc. Driver Assistance Cruise Control: Electronic cruise control is a common feature on Road King models. Connectivity Connectivity Options: Limited by 2006 standards; primarily focused on internal vehicle systems and optional accessories. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific intervals (typically 2,500-5,000 miles or annually) Primary Chain Tensioner Check: Regular checks are crucial for Twin Cam engines; covered in manual. Fluid Specifications Engine Oil Type: Refer to manual for specific Harley-Davidson approved oil viscosity and API rating (e.g., 20W50) Transmission Fluid Type: Refer to manual for specific type (e.g., Harley-Davidson transmission...