🏷️ Basic Information Identification Make: Harley-Davidson Model: FXEF Year: 1981 Platform: Shovelhead Codes Engine Code: Shovelhead (V-twin OHV) 👋 Introduction Market Position Target Audience: Owners, mechanics, and enthusiasts of the 1981 Harley-Davidson FXEF Shovelhead. Competitive Analysis Value Proposition: Provides comprehensive, factory-level repair and maintenance data at a fraction of the cost of proprietary dealership manuals. Key Features Content Richness: Hundreds of pages of detailed instructions, photos, and illustrations for comprehensive coverage. Ease Of Use: Printable pages, numbered instructions, and detailed table of contents for efficient navigation. Troubleshooting Focus: Integrated troubleshooting section with wiring diagrams for effective electrical system diagnosis. 📋 Manual Details Coverage Areas Primary Coverage: Complete service and repair for Harley-Davidson FXEF Shovelhead models Variant Coverage: All Styles Covered Page Count Estimated Pages: Hundreds Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed procedures for engine disassembly, assembly, tuning, and repair. Fuel System: Carburetor adjustment, fuel pump, fuel lines, and tank servicing. Exhaust Systems: Exhaust pipe removal, installation, and maintenance. Electrical System: Complete diagnostics, troubleshooting, component testing, and detailed wiring diagrams. Front Suspension: Fork disassembly, rebuilding, and adjustment procedures. Steering: Headset bearing maintenance and adjustment. Rear Suspension: Shock absorber servicing and linkage inspection. Brakes: Hydraulic brake system maintenance, bleeding, and component replacement. Clutch: Clutch assembly, adjustment, and repair procedures. Primary Drive: Primary chain inspection, adjustment, and related components. Transmission: Gearbox disassembly, reassembly, and maintenance. Kickstarter: Kickstarter mechanism servicing and repair. General Information: Overview of the motorcycle, VIN identification, and general specifications. Periodic Lubrication: Detailed lubrication points, schedules, and recommended lubricants. Procedures Included Maintenance: Routine maintenance tasks, lubrication, and fluid changes. Tune Up: Comprehensive tune-up procedures for optimal engine performance. Troubleshooting: Systematic diagnostic procedures for identifying and resolving common issues. Repair: Step-by-step instructions for overhauling and repairing all major components. Index: Comprehensive index for quick location of specific topics. Wiring Diagrams: Detailed and accurate wiring diagrams essential for electrical troubleshooting and repair. Technical Depth Depth: Complete factory-level detail, suitable for both DIY enthusiasts and professional mechanics. 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Printable without restriction Binding Type Binding: Digital Download (printable pages) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 45-degree V-twin, OHV (Shovelhead) Displacement: 80 cubic inches (1308cc) Bore X Stroke: 3.4375 in. x 4.25 in. (87.31 mm x 107.95 mm) (typical for 80ci) Performance Horsepower: Approx. 60-70 HP (Varies by tuning) Torque: Approx. 75-85 ft-lbs (Varies by tuning) Fuel System Carburetor: Typically a Keihin Butterfly or Linkert (specific model may vary, manual covers diagnosis and adjustment). Fuel Type: Unleaded gasoline (Octane rating as per Harley-Davidson recommendation for the era). Lubrication Oil Type: Varies; typically Harley-Davidson 20W50 or equivalent (manual will specify). Oil Capacity: Approx. 3 US quarts (2.8 Liters) (manual will specify exact capacity). 🔧 Transmission Standard Type: 4-speed Constant Mesh Optional Optional Transmissions: N/A for this specific model variant Features Drive System: Chain drive (primary and final) Transmission Fluid: Typically Harley-Davidson Transmission Lubricant or equivalent (manual will specify). 📐 Dimensions Exterior Wheelbase: Approx. 63.5 inches (1613 mm) (typical for FX models) Weights Dry Weight: Approx. 550-600 lbs (250-272 kg) (typical for FX models) 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycle safety is assessed differently than automobiles) Active Features Braking System: Hydraulic disc brakes front and rear (typically single disc front, single disc rear). Passive Features Lighting System: Headlight, taillight, brake light, turn signals (manual covers electrical diagnosis). 💡 Technology Features Infotainment Infotainment System: N/A (This era of motorcycle focused on mechanical operation, not advanced electronics). Driver Assistance Driver Assistance Features: N/A Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change: Typically every 2,000-3,000 miles or annually (manual will provide precise intervals). Primary Chain Tensioner: Check and adjust as needed, typically every 2,000-4,000 miles (manual details procedure). Spark Plugs: Inspect and gap every 5,000 miles, replace as needed (manual specifies type and gap). Fluid Specifications Engine Oil Viscosity: 20W50 (commonly recommended, refer to manual for precise specification). Transmission Fluid Type: Harley-Davidson Transmission Lubricant or equivalent (refer to manual for precise specification). Brake Fluid Type: DOT 4 Hydraulic Brake Fluid (commonly used, manual will specify). Known Issues Shovelhead Common Wear: Valve guide wear, oil leaks (especially from pushrod tubes and crank seals), transmission shifting issues, and carburetor tuning sensitivity. Electrical System Challenges: Aging wiring insulation, rectifier/regulator failure, and charging system issues are common on bikes of this age. 📚 Vehicle History Brand Heritage Brand Legacy: Harley-Davidson, established in 1903, renowned for its iconic V-twin motorcycles and cruiser lifestyle. Model Evolution Shovelhead Era: The Shovelhead engine, introduced in 1966, was a successor to the Panhead and a predecessor to the Evolution engine, produced until 1984. The FXEF was part of the FX (cruiser frame) lineup. Production Manufacturing Plant: York, Pennsylvania, USA