🏷️ Basic Information Identification Make: Harley-Davidson Model: FLH Shovelhead Year: 1979 Body Style: Touring Motorcycle (FLH) Codes Engine Code: Shovelhead 👋 Introduction Market Position Target Audience: Harley-Davidson FLH Shovelhead 1979 owners, enthusiasts, mechanics Competitive Analysis Value Proposition: Saves $50-$60 per hour on shop labor costs by enabling DIY servicing. Provides professional technician-level knowledge. Key Features Features: Step-by-step instructions, detailed illustrations/diagrams, troubleshooting guide, common fixes, insider tips, electrical system diagnostics, printable format. Usability Ease Of Use: Easy to use, no computer skills required for printing; search function for quick information retrieval. 📋 Manual Details Coverage Areas Manual Scope: Complete official factory service repair manual Page Count Estimated Page Count: Hundreds of pages (exact number not specified, but implies a comprehensive document) Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed coverage of the Shovelhead engine Fuel System: Carburetor, fuel lines, tank Exhaust Systems: Exhaust pipes, mufflers Clutch: Clutch operation, adjustment, and repair Primary Drive: Primary chain, clutch, compensator sprocket Transmission: Gearbox operation, maintenance, and repair Kickstarter: Kickstart mechanism operation and repair Electrical System: Wiring diagrams, ignition, charging system, lighting, starting Front Suspension: Fork, steering head Steering: Handlebars, steering bearings Rear Suspension: Swingarm, shock absorbers Brakes: Front and rear brake systems, hydraulic and mechanical components Maintenance: Periodic lubrication, routine maintenance Tune Up: Engine tuning procedures, carburetor adjustments, ignition timing Troubleshooting: Diagnostic procedures for common faults and symptoms Procedures Included Diagnostic Procedures: Engine fault diagnosis, system troubleshooting Repair Procedures: Step-by-step repair instructions for all covered systems Maintenance Procedures: Scheduled maintenance, fluid changes, inspections Rebuild Procedures: Engine, transmission, and other component rebuild guidance Electrical Diagnostics: Tracing wiring diagrams, diagnosing electrical faults Tune Up Procedures: Carburetor adjustment, ignition timing verification, spark plug service Common Fixes: Provides information on common fixes that owners can use to communicate effectively with mechanics or perform themselves. Preemptive Maintenance: Offers tips for preventing small problems from escalating. Technical Depth Depth Of Coverage: Comprehensive, covering all aspects from basic maintenance to complete rebuilds and advanced diagnostics Diagnostic Techniques: Includes 'secret techniques used by top mechanics' for part testing and diagnosis Information Source: Actual genuine repair service factory manuals, not 3rd party Illustrations And Diagrams: Contains all necessary illustrations, drawings, and photos to guide through repair procedures. Wiring Diagrams: Detailed wiring diagrams are a key component, aiding in electrical system diagnostics and repair. 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: Printable without restriction, entire manual or specific pages Resolution: High resolution Binding Type Binding Type: Digital (Downloadable PDF), printable for physical use Paper Type Paper Type: N/A (Digital download) Requirements Software Requirements: Adobe PDF Reader Compatibility: All PC based Windows operating systems and Mac ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled V-twin (Shovelhead) Engine Displacement: Typically 74 cu in (1200cc) or 80 cu in (1340cc) for FLH models of this era. Specific displacement for 1979 FLH requires model variation check. Performance Horsepower Approx: Estimated 60-65 HP (varies by specific configuration and tuning). Torque Approx: Estimated 70-75 ft-lbs (varies by specific configuration and tuning). Fuel System Carburetor Type: Typically a Keihin butterfly or Linkert carburetor, or a later model S&S Super E/G (depending on original or modified configuration). Fuel Delivery: Gravity feed from fuel tank to carburetor. 🔧 Transmission Standard Transmission Type: 4-speed constant mesh Gear Selection: Foot shifter (hand clutch) Features Transmission Housing: Cast aluminum casing. Clutch Type: Wet multi-plate 📐 Dimensions Exterior Wheelbase Approx: Approximately 60.5 inches (1537 mm) Weights Dry Weight Approx: Approximately 645 lbs (293 kg) 🛡️ Safety Features Ratings Safety Features: Dual disc front brake, single disc rear brake (standard for FLH), integrated lighting, sturdy frame. Active Features Braking System: Hydraulic disc brakes front and rear. Passive Features Frame Construction: Steel tube frame. 💡 Technology Features Infotainment Infotainment System: Basic; typically analog gauges (speedometer, tachometer), indicator lights. Driver Assistance Driver Assistance Features: None (era-appropriate technology) Connectivity Connectivity Features: None (era-appropriate technology) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 2,000-3,000 miles or 6 months, but the manual will provide specific intervals and oil types. Tune Up Interval: Recommended annually or every 5,000-7,500 miles, with the manual detailing specifics. Fluid Specifications Engine Oil Type: The manual will specify SAE 20W-50 or similar weight oil, likely a specific Harley-Davidson blend or equivalent recommended for air-cooled V-twins. (e.g., Harley-Davidson Genuine Motor Oil SAE 20W-50). Transmission Fluid Type: The manual will specify a specific gear oil or primary chain lubricant, often a heavy-duty lubricant suitable for the 4-speed gearbox. (e.g., Harley-Davidson Primary Chain Lubricant). Brake Fluid Type: The manual will specify DOT 3 or DOT 4 brake fluid for the hydraulic systems. Known Issues Common Issues: Oil leaks (common with Shovelheads), shifting issues, carburetor tuning sensitivity, electrical component reliability, potential valve seat recession. Maintenance Importance: Regular and meticulous maintenance is critical for Shovelhead...