🏷️ Basic Information Identification Make: Harley-Davidson Model: FLHS Shovelhead Year: 1980 Variant: FLHS (often referred to as the 'Electra Glide Standard' for this era, though the FLHS designation is specific) Codes Engine Code: Shovelhead (pre-Evolution era OHV V-twin) 👋 Introduction Market Position Market Position: Essential technical documentation for owners and mechanics of the 1980 Harley-Davidson FLHS Shovelhead seeking to perform maintenance, repairs, and diagnostics with factory-level accuracy. Positions itself as a superior alternative to third-party manuals. Competitive Analysis Competitive Analysis: Offers genuine factory information, distinguishing it from unofficial or incomplete aftermarket guides. Its PDF format and immediate downloadability provide a cost and time advantage over physical manuals. Key Features Key Features: Authentic factory content, detailed step-by-step procedures, diagnostic aids, extensive coverage of all vehicle systems, high-quality illustrations and diagrams, printable format, searchable functionality, potential for significant labor cost savings. 📋 Manual Details Coverage Areas Coverage Areas: Complete coverage for the 1980 Harley-Davidson FLHS Shovelhead Page Count Page Count: Hundreds of pages (specific count not provided, but described as comprehensive) Manual Type Manual Type: Official Factory Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Systems Covered: General Information, Troubleshooting, Periodic Lubrication, Maintenance, Tune-up, Engine, Clutch, Primary Drive, Transmission, Kickstarter, Fuel System, Exhaust Systems, Electrical System, Front Suspension, Steering, Rear Suspension, Brakes, Wiring Diagrams Procedures Included Procedures Included: Maintenance, repair, rebuilding, refurbishment, restoration, diagnostics, troubleshooting, tune-ups, inspections, component testing, wiring diagram tracing and verification, engine management system analysis, common fixes Technical Depth Technical Depth: Comprehensive, covering fundamentals to advanced repair and diagnostic techniques, mirroring factory-trained technician knowledge. Includes detailed substeps, notes, cautions, warnings, and numbered instructions for step-by-step guidance. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High resolution, fully printable (individual pages, chapters, or entire manual) Binding Type Binding Type: Digital Download (Printable) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, OHV V-twin (Shovelhead) Engine Displacement: 80 cubic inches (1313 cc) - common for this era Shovelheads Bore X Stroke: Refer to manual for specific factory figures (typically around 3.4375 in x 4.25 in or 87.3 mm x 108 mm) Compression Ratio: Refer to manual for specific factory figures (typically around 7.0:1 to 8.0:1 depending on specific model variant and year) Performance Horsepower: Refer to manual for specific factory figures (typically in the 60-70 HP range, but varies significantly with tuning and specific configuration) Torque: Refer to manual for specific factory figures (typically in the 70-80 lb-ft range) Fuel System Fuel Delivery: Carbureted (likely a Keihin Butterfly or Linkert carburetor, specific model to be detailed in manual) Ignition System: Contact breaker points ignition (pre-electronic ignition for most models of this era) 🔧 Transmission Standard Transmission Type: 4-speed constant mesh manual transmission Optional Optional Transmission: N/A for this model/year Features Clutch Type: Wet multi-plate clutch Primary Drive: Chain drive within a sealed primary case Final Drive: Belt drive Transmission Fluid Spec: Refer to manual for specific factory specification (e.g., Harley-Davidson Transmission Lubricant or equivalent) 📐 Dimensions Exterior Wheelbase: Refer to manual for exact factory specification (typically around 63.5 inches) Weights Dry Weight: Refer to manual for exact factory specification (typically around 650-700 lbs) Gross Vehicle Weight Rating: Refer to manual for exact factory specification 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycle safety ratings as per modern automotive standards are not applicable to this era of motorcycle) Active Features Active Features: Dual disc front brakes, single disc rear brake (as standard for FLHS), hydraulic brake actuation. Passive Features Passive Features: Robust frame construction, rider controls positioned for stability. 💡 Technology Features Infotainment Infotainment System: N/A (No integrated infotainment system; basic analog instrumentation) Lighting Lighting System: Halogen headlamp, incandescent tail and turn signals, typical for the era. 🔧 Maintenance Service Intervals Service Intervals: Refer to manual for specific intervals for oil changes, filter replacements, spark plug checks, primary chain adjustment, brake inspections, etc. (Typically every 2,500-5,000 miles for major services on this era) Fluid Specifications Engine Oil Spec: Refer to manual for specific factory specification and capacity (e.g., Harley-Davidson Genuine V-Twin Motor Oil SAE 20W50 or equivalent) Primary Chain Case Fluid Spec: Refer to manual for specific factory specification and capacity (e.g., Harley-Davidson Primary Chaincase Lubricant or equivalent) Brake Fluid Spec: Refer to manual for specific DOT specification (likely DOT 3 or DOT 4) Fork Oil Spec: Refer to manual for specific type and viscosity Known Issues Known Issues: Shovelhead engines are known for oil leaks, valve seat wear, and potential for pushrod tube leaks. Carburetor tuning and ignition system maintenance are critical. Kickstarting can be strenuous. Refer to manual for specific common issues and troubleshooting. Tune Up Procedures Tune Up Procedures: Includes ignition timing adjustment (points and condenser), carburetor adjustment (idle mixture, idle speed), spark plug service, air cleaner service, and general inspection of all...