This manual covers motorcycles produced between 1978 and 1984, encompassing both Cruiser/Touring (FL) and Softail/Dyna (FX) variants. These iconic machines are powered by 1200cc and 1340cc Shovelhead V-twin engines, known for their distinctive sound and robust performance. Throughout their production era, these motorcycles have been celebrated for their classic American styling and enduring appeal, representing a significant period in rich heritage. This comprehensive workshop repair service manual, written in English, provides detailed information for all models, engines, trims, and transmission types within the specified years. It includes hundreds of pages of technical specifications, step-by-step repair and maintenance procedures, disassembly and assembly instructions, diagnostic information, and troubleshooting guides, complete with critical diagrams and illustrations. This manual is an essential resource for owners and technicians alike, ensuring the proper upkeep and repair of these classic motorcycles. 🏷️ Basic Information Identification Make: Harley-Davidson Model: FL / FX Model Variant: Cruiser / Touring (FL), Softail / Dyna (FX) Model Years Covered: 1978, 1979, 1980, 1981, 1982, 1983, 1984 Engine Displacement Cc: 1200, 1340 Vehicle Type: Motorcycle Codes Engine Code Indication: Varies by model and year, but covers Shovelhead variants. 👋 Introduction Market Position Target Audience: Harley-Davidson FL/FX owners and independent repair shops for 1978-1984 models. Value Proposition: Enables owners to perform maintenance and repairs, saving significant costs compared to professional shop labor. Competitive Analysis Source Credibility: Same manual used by local service/repair shops; written by the manufacturer (Harley-Davidson). Key Features Key Manual Features: Hundreds of pages of diagrams, detailed information, critical specifications, illustrations, photos, troubleshooting, and wiring diagrams. Digital Advantage: Instant download, no shipping costs, ability to print specific sections, protection from dirt/grease. 📋 Manual Details Coverage Areas Manual Type: Workshop Repair Service Manual Coverage Scope: All Models, Engines, Trim, and Transmission Types within the specified years. Language: English Format: PDF Download Page Count Page Count Indication: Hundreds of pages Completeness: Complete and intact, no missing/corrupt parts or pages. 📖 Manual Coverage Systems Covered Primary Systems: General Information, Maintenance, Chassis, Fuel System, Cooling System, Engine, Clutch, Engine Lubrication System, Engine Removal/Installation, Drive, Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame, Electrical System, Wiring Diagram. Procedures Included Repair Procedures: Step-by-step repair procedures, disassembly, assembly, cleaning, and reinstallation procedures. Maintenance Procedures: Comprehensive maintenance information, service intervals. Diagnostic Procedures: Diagnostic information, troubleshooting, electrical service procedures. Technical Depth Depth Of Information: Professional technician level, including critical specifications, detailed diagrams, and illustrations. Troubleshooting Emphasis: Detailed troubleshooting guides and electrical diagnostic procedures with wiring diagrams. 📊 Manual Specifications File Format File Type: PDF Requirements: Adobe PDF Reader, WinZip Print Quality Printability: Full Printable Zoom Functionality: Zoom IN/OUT enabled Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Family: Harley-Davidson Shovelhead V-Twin Engine Types Covered: 1200cc and 1340cc (80 cubic inch) variants. Performance Horsepower Range Indication: Varies by specific model and year, typically 50-65 HP for 1200cc and 60-75 HP for 1340cc. Torque Indication: Varies by specific model and year, generally strong low-end torque characteristic of Harley-Davidson. Fuel System Fuel Delivery System: Primarily carburetor-based (e.g., Keihin, Linkert, S&S depending on model/year). Fuel Type Requirement: Unleaded gasoline (specified octane rating in manual). Lubrication System Lubrication Type: Dry Sump (common for Shovelheads, oil tank separate from crankcase). Oil Capacity Indication: Varies by engine size and model, typically around 3-4 quarts. 🔧 Transmission Standard Transmission Type: 4-speed constant mesh manual transmission. Optional Optional Transmissions: N/A for this era; 4-speed was standard across the range. Features Transmission Drive Type: Belt drive (primary) and chain drive (final). Clutch Type: Wet multi-plate clutch. 📐 Dimensions Exterior Wheelbase Indication: Varies by FL (cruiser/touring) and FX (cruiser/cruiser-style) models. Seat Height Indication: Varies by model; designed for rider comfort. Weights Dry Weight Indication: Typically in the range of 550-650 lbs depending on the model. 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycle safety is assessed differently than cars). Active Features Active Safety Features: Disc brakes (front and rear, depending on model/year), hydraulic suspension. Passive Features Passive Safety Features: Robust frame construction. 💡 Technology Features Infotainment Infotainment Features: Limited to analog gauges, radio (on some touring models), and basic lighting controls. Driver Assistance Driver Assistance Systems: None (basic mechanical systems only). Connectivity Connectivity Options: None. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 2,000-3,000 miles or annually, as specified in manual. Primary Chain Tensioner Check: Regular checks are crucial for these models. Fluid Specifications Engine Oil Type: Viscosity and type specified in manual (e.g., 20W50 motorcycle specific oil). Primary Drive Fluid Type: Typically Harley-Davidson Primary Chaincase Lubricant or equivalent. Transmission Oil Type: Dedicated transmission fluid as specified by Harley-Davidson. Known Issues Common Wear Items: Primary chain, clutch components, valve guides, oil leaks (gaskets/seals), electrical connectors. Shifter Lever Wear: Can develop play over time, requiring adjustment or replacement. Carburetor Tuning: May require periodic adjustment due to environmental factors or wear. 📚...