🏷️ 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 applicable for this era of motorcycle; safety based on rider skill and component condition. Active Features Active Safety: Dual front disc brakes (common for FX models), rear drum brake (standard). Passive Features Passive Safety: Sturdy frame construction, reliable braking components. 💡 Technology Features Infotainment Infotainment System: N/A (1979 model year, pre-infotainment era). Basic analog instrumentation. Driver Assistance Driver Assistance: N/A (1979 model year, pre-driver assistance features). Connectivity Connectivity Features: N/A (1979 model year, no electronic connectivity features). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 2,000-3,000 miles or as specified in the manual. Shovelheads often used a shared transmission/primary oil, requiring specific attention. Primary Chain Tensioner: Regular inspection and adjustment are crucial for the primary chain drive. Manual will detail procedure and interval. Fluid Specifications Engine Oil: Manual will specify SAE grade (e.g., 20W50, 50W) and type (e.g., conventional, specifically formulated motorcycle oil). Capacity around 3 quarts for the engine. Primary Oil: Separate from engine oil in some configurations or shared with transmission. Manual will specify type and capacity (often ~1 quart). Brake Fluid:...