This manual covers the 1979 FXS, a model renowned for its iconic Shovelhead engine and distinctive cruiser styling. The FXS, often recognized as the Low Rider variant, represented a significant evolution in American motorcycle design, blending robust engineering with a comfortable riding position. Its V-twin, air-cooled, four-stroke OHV engine, typically 80 cubic inches, provided ample power and torque, making it a popular choice for enthusiasts and riders seeking a classic American riding experience. The inherent quality and reliability of Shovelhead era machines are well-documented, and the FXS stands as a testament to the enduring legacy. This comprehensive factory service repair manual provides essential information for the maintenance, repair, and troubleshooting of the 1979 FXS. It details all systems, including the engine, fuel system, electrical system, brakes, and transmission, with step-by-step procedures, detailed illustrations, and factory specifications. The manual is designed to assist both owners performing routine maintenance and professional mechanics undertaking complex repairs. Coverage includes general information, periodic lubrication, tune-up procedures, disassembly and reassembly, and electrical diagnostics, ensuring the vehicle remains in optimal working condition. 🏷️ Basic Information Identification Make: Harley-Davidson Model: FXS Year: 1979 Engine Family: Shovelhead Codes Model Code: FXS 👋 Introduction Market Position Target Audience: Enthusiasts, owners, and professional mechanics working on 1979 Harley-Davidson FXS Shovelhead motorcycles. Competitive Analysis Advantage: Complete factory information, digital format for immediate access and cost savings compared to physical manuals. Key Features Download Benefit: Saves money on shipping and waiting time compared to traditional mail delivery. Content Value: Inexpensive way to keep the vehicle working properly through detailed repair and service information. Manual Value Overall Value Proposition: Comprehensive, authoritative, and readily accessible service resource for maintaining and repairing the 1979 Harley-Davidson FXS Shovelhead. 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair for Harley-Davidson Shovelhead FXS 1979 All Styles Covered: Yes Page Count Estimated Page Count: Hundreds of pages (exact count not specified, but described as comprehensive) Manual Type Type: Factory Service Repair Manual / Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete Engine Service, Rebuild, and Troubleshooting Fuel System: Carburetor tuning, fuel delivery, fuel lines, fuel filters Exhaust Systems: Exhaust system maintenance and repair Electrical System: Ignition, lighting, charging system, wiring diagrams, troubleshooting Front Suspension: Fork service, oil changes, seal replacement Steering: Steering head bearing adjustment and service Rear Suspension: Shock absorber service, swingarm maintenance Brakes: Brake system maintenance, hydraulic components, pad replacement Clutch: Clutch adjustment, operation, and service Primary Drive: Primary drive system maintenance and adjustment Transmission: Transmission service, repair, and component identification Kickstarter: Kickstarter mechanism service and repair Procedures Included General Information: Vehicle identification, general specifications, safety precautions Troubleshooting: Systematic diagnostic procedures for common and uncommon issues Periodic Lubrication: Recommended lubrication points and schedules Maintenance: Routine maintenance tasks and schedules Tune Up: Comprehensive tune-up procedures for optimal performance Disassembly: Step-by-step complete disassembly instructions Reassembly: Step-by-step complete reassembly instructions Electrical Diagnostics: Combined troubleshooting and detailed wiring diagrams for electrical systems Technical Depth Depth: Full factory specifications, detailed procedures, component-level repair Illustrations: Hundreds of photos, drawings, and detailed illustrations Guidance Level: Suitable for both do-it-yourselfers and experienced mechanics Instruction Format: Numbered instructions, detailed substeps, notes, cautions, and warnings Index Availability: Yes, with a numbered table of contents for easy navigation 📊 Manual Specifications File Format Format: PDF Compatibility: All PC-based Windows operating systems and Mac Print Quality Printability: Printable in its entirety or individual pages without restriction Binding Type Binding: Not applicable (digital download) Paper Type Paper Type: Not applicable (digital download) Delivery Delivery Method: Instant Download Link on Checkout Page Requirements Software Requirement: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Type: V-twin, air-cooled, four-stroke OHV Engine Displacement: 80 cubic inches (1317 cc) - Standard for Shovelhead models of this era Engine Family Designation: Shovelhead Performance Horsepower Estimate: Approx. 60-65 HP (Varies by specific tuning and exhaust) Torque Estimate: Approx. 70-75 ft-lbs (Varies by specific tuning and exhaust) Fuel System Carburetion: Typically a single Keihin butterfly carburetor (e.g., Keihin 34mm) or similar aftermarket options common for the era. Fuel Type: Unleaded gasoline (refer to manual for specific octane rating) Ignition System Ignition Type: Contact breaker points ignition system (standard, electronic ignition often an aftermarket upgrade) 🔧 Transmission Standard Type: 4-speed constant mesh manual transmission Optional Optional Transmissions: Not typically offered from factory for this model year; aftermarket 5-speed conversions were common later. Features Drive System: Belt drive to rear wheel Primary Drive: Heavy-duty chain drive within primary case Fluid Specifications Transmission Fluid: Manual will specify exact type, typically SAE 50 or SAE 60 motorcycle gear oil (e.g., Harley-Davidson Glides, Bel-Ray Gear Saver). 📐 Dimensions Exterior Wheelbase: Approximately 61.5 inches (1562 mm) - Varies slightly by specific FXS configuration Weights Dry Weight: Approximately 550-600 lbs (250-270 kg) - Varies by specific FXS configuration 🛡️ Safety Features Ratings Safety Ratings: Not...