🏷️ Basic Information Identification Make: Harley-Davidson Model: FLHS Year: 1980 Model Designation: Electra Glide Standard Codes Engine Code: Shovelhead 👋 Introduction Market Position Positioning: The Harley-Davidson FLHS 1980 represents the Electra Glide Standard, a touring motorcycle known for its classic styling and V-twin rumble. This manual targets owners and technicians responsible for maintaining and repairing these iconic machines. Competitive Analysis Competitors: During the 1980 model year, direct competitors would have been other large-displacement touring motorcycles from American and European manufacturers, though Harley-Davidson held a unique niche with its distinct V-twin character. Key Features Vehicle Features: The FLHS 1980 is characterized by its Shovelhead engine, a staple of Harley-Davidson's lineage, and its Electra Glide platform which provided a comfortable, stable ride for longer distances. Manual Value Value Proposition: This comprehensive service manual is indispensable for preserving the performance, reliability, and authenticity of a 1980 Harley-Davidson FLHS, offering in-depth technical guidance unavailable elsewhere. 📋 Manual Details Coverage Areas Primary Coverage: Factory Authorized Service, Repair, and Maintenance Secondary Coverage: Troubleshooting, Diagnostics, Specifications, Wiring Diagrams Page Count Estimated Pages: Hundreds (Specific count not provided, but described as 'COMPLETE official full factory service repair manual') Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete Shovelhead engine system, including disassembly, assembly, tuning, and troubleshooting of all components. Transmission: Four-speed constant mesh transmission, clutch, and primary drive system. Electrical System: Full wiring diagrams, ignition system, lighting, charging system (generator/alternator), starter motor, and accessories. Fuel System: Carburetor (likely a Keihin or S&S Super E/G), fuel delivery, fuel tank, and lines. Chassis: Frame, suspension (forks, rear shocks), wheels, tires, and steering. Brakes: Front and rear braking systems (likely disc brakes, possibly drum rear on some variants), hydraulic lines, and components. Bodywork: Fenders, fuel tank, seat, fairings (if applicable to FLHS), and instrumentation. Procedures Included Maintenance: Routine maintenance, lubrication, fluid changes, filter replacements, and general upkeep. Repair: Detailed step-by-step repair instructions for all major and minor mechanical and electrical components. Troubleshooting: Diagnostic procedures for identifying and resolving common and uncommon problems, with symptom-based guidance. Rebuilds: Complete engine and transmission rebuild procedures, including torque specifications and clearances. Adjustments: Carburetor tuning, ignition timing, clutch adjustment, and suspension settings. Technical Depth Depth: Comprehensive from basic owner maintenance to full engine and transmission overhauls, suitable for professional mechanics and experienced enthusiasts. 📊 Manual Specifications File Format Type: Portable Document Format (PDF) Searchability: Likely text-searchable, allowing for quick access to specific topics. Print Quality Quality: High-resolution, suitable for printing multiple pages or the entire manual. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 45-degree V-twin OHV Engine Family: Shovelhead Displacement Cc: 1338 Displacement Ci: 82 Bore X Stroke In: 3.4375 x 4.25 Performance Horsepower Est: Approx. 65-70 HP (Varies by tuning) Torque Est: Approx. 75-80 ft-lbs @ 3200 RPM Fuel System Carburetor Type: Single Carburetor (Likely Keihin Butterfly or S&S Super E/G) Fuel Delivery: Gravity Feed from Fuel Tank Ignition System Ignition Type: Battery and Coil (Breaker-Point or Electronic Ignition depending on specific build/modification) Oil System Oil Capacity Qt: Approx. 4 quarts (including primary) Oil Type: API CD or SE service classification; SAE 20W50 recommended for most conditions. 🔧 Transmission Standard Transmission Type: 4-Speed Constant Mesh Clutch Type: Wet Multi-plate Primary Drive: Duplex Chain (or Belt on some later models/conversions) Features Gear Ratios: Specific ratios would be detailed in the manual, typically around 9.35:1 in first gear. Transmission Fluid: Harley-Davidson recommends specific primary chaincase lubricant or a suitable heavy-duty gear oil. 📐 Dimensions Exterior Wheelbase In: Approx. 63.5 Length In: Approx. 93.0 Width In: Approx. 35.0 Weights Dry Weight Lbs: Approx. 600-620 Fuel Capacity Gal: Approx. 5.0 Oil Capacity Gal: Approx. 1.0 🛡️ Safety Features Ratings Safety Standards: Pre-dates modern motorcycle safety rating systems. Safety relies on rider skill and proper maintenance as detailed in the manual. Active Features Braking: Disc brakes front and rear (subject to variation) offer stopping power. Lighting: Headlight, taillight, brake light, and turn signals for visibility. Passive Features Frame Construction: Steel frame providing structural integrity. Wind Protection: Potential for fairing (depending on exact FLHS configuration) offering rider wind protection. 💡 Technology Features Infotainment Infotainment System: Basic instrumentation: speedometer, odometer, fuel gauge, oil pressure light. No modern infotainment features. Driver Assistance Driver Assistance Systems: N/A. Technology is mechanical and analog. Connectivity Connectivity Features: N/A. Focus is on mechanical operation and rider control. 🔧 Maintenance Service Intervals Oil Change Interval: Recommended every 2,500 - 3,000 miles or annually, whichever comes first. Manual will specify exact interval. Primary Chain Tension: Check and adjust periodically as per manual recommendations, typically every 5,000 - 7,500 miles. Spark Plug Replacement: As recommended, often around 10,000-12,000 miles, but dependent on plug type and condition. Fluid Specifications Engine Oil: SAE 20W50 API CD or...