🏷️ Basic Information Identification Make: Harley-Davidson Model: FL, FLH, FX, FXE, FXEF, FXS Years Covered: 1978, 1979, 1980 Engine Family: Shovelhead Codes Engine Codes Implied: Typically denoted by FL, FLH, FX variants with specific displacement and tuning Vin Decoding Context: Manual likely contains guidance on VIN interpretation for these model years 👋 Introduction Market Position Target Audience: Harley-Davidson owners seeking to perform maintenance and repairs themselves Value Proposition: Enables owners to maintain their Shovelhead-era Harley-Davidsons, saving on labor costs and ensuring proper upkeep. Competitive Analysis Manual Competitors: Other aftermarket service manuals, though factory manuals offer unparalleled accuracy and detail. Key Features Accessibility: Easy to install and read, downloadable format for immediate access. Guidance Level: Step-by-step repair instructions. 📋 Manual Details Coverage Areas General Coverage: Factory service repair workshop manual Specific Models Covered: FL (Dresser), FLH (Electra Glide), FX (Superglide Kick Start), FXE (Superglide Electric Start), FXEF (Fat Bob), FXS (Low Rider) Manufacturing Period Context: Motorcycles manufactured after January 1st, 1978 Page Count Estimated Page Count: Typically 500-800 pages for a comprehensive factory service manual of this era, actual count not specified in product info. Manual Type Type: Service Repair Workshop Manual Language Language: English Format Digital Format: PDF Platform Compatibility Operating Systems: Windows and macOS 📖 Manual Coverage Systems Covered Engine Service: Comprehensive engine overhaul, tuning, and component repair Transmission Service: Service, repair, and adjustment of the transmission and clutch Fuel System: Carburetor service, fuel pump, fuel lines, and tank maintenance Electrical System: Detailed electrical diagrams, ignition system, lighting, battery, and charging system troubleshooting and repair Chassis Suspension: Front fork, rear suspension, steering, and frame component service Braking System: Front and rear brake system inspection, service, and repair Wheels Tires: Wheel bearing service, tire mounting, and inspection Bodywork Trim: Dresser fairings, tanks, fenders, and trim component removal, installation, and repair Procedures Included Routine Maintenance: Oil changes, filter replacement, lubrication, and adjustments Diagnostics Troubleshooting: Step-by-step troubleshooting guides for common and complex issues Major Repair Procedures: Complete engine rebuilds, transmission overhauls, and component replacement Assembly Disassembly: Detailed instructions for component removal and reinstallation Wiring Diagrams: Comprehensive, often color-coded, electrical schematics Technical Depth Depth: Factory level, covering from basic maintenance to complete engine and transmission rebuilds Diagnostic Capability: Enables in-depth diagnosis and repair of all mechanical and electrical systems 📊 Manual Specifications File Format Format: PDF Print Quality Description: Perfect quality, full covered content Readability: Easy to read Printability: Printable pages Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, V-twin (Shovelhead OHV) Engine Family Detail: Shovelhead (introduced in 1966, updated through the years) Displacement Options Typical: Commonly 74 cubic inches (1200cc) and 80 cubic inches (1340cc) for this era. Performance Horsepower Typical: Varies by specific engine and tuning, but generally in the 60-70 HP range for stock 80ci engines. Torque Typical: Approximately 70-80 ft-lbs for stock 80ci engines. Fuel System Carburetion: Primarily Keihin butterfly or Linkert carburetors, depending on specific model and year sub-variant. Manual will detail specific carburetor models. Fuel Delivery: Gravity feed from tank to carburetor, with fuel pump options on some models. 🔧 Transmission Standard Type: 4-speed constant mesh (often referred to as the '4-speed' transmission) Optional Options: Not applicable for factory stock; transmission was standardized for these models. Features Clutch Type: Wet, multi-plate Gear Ratios: Specific ratios will be detailed within the manual for each gear. Transmission Fluid Spec: Typically Harley-Davidson Formula+ or equivalent high-quality 4-speed transmission oil (e.g., SAE 50 or 75W-90). Specific recommendation in manual. 📐 Dimensions Exterior Wheelbase Typical: Varies by model, typically around 60-63 inches. Seat Height Typical: Varies by model, e.g., Low Rider models are lower. Weights Dry Weight Typical: Varies by model, typically 550-700 lbs. Fuel Capacity Typical: 3.5 to 5 gallons depending on the fuel tank fitted (e.g., Fat Bob tanks are larger). 🛡️ Safety Features Ratings Crash Test Ratings: N/A for motorcycles of this era. Active Features Braking System: Single disc front brake, drum rear brake standard for most models in this period. Manual will detail specific configurations. Lighting: Headlight, taillight, brake light, turn signals (if equipped). Passive Features Frame Construction: Steel tube frame. 💡 Technology Features Infotainment Features: N/A (No infotainment systems typically present on models of this era, focus is on mechanical and electrical systems). Driver Assistance Features: N/A (No electronic driver assistance systems on these models). Connectivity Features: N/A (No electronic connectivity features). 🔧 Maintenance Service Intervals Oil Change Engine: Typically every 2,000-3,000 miles or annually. Manual will provide precise intervals. Transmission Fluid Change: Often tied to engine oil changes or every 5,000-10,000 miles. Manual will specify. Primary Chain Tension: Requires periodic adjustment, typically checked during 5,000-mile services. Manual details procedure. Fluid Specifications Engine Oil Type Typical: 20W-50 motorcycle specific oil (mineral or synthetic). Harley-Davidson Classic 20W-50 is a common recommendation. Manual confirms specific viscosity...