🏷️ Basic Information Identification Make: Harley-Davidson Model: FL / FLH Duo-Glide Year Range: 1958-1964 Engine Type: 74 OHV Panhead Product Type: Factory Service Repair Manual 👋 Introduction Market Position Target Audience: Professional technicians and DIY mechanics performing repairs and maintenance on 1958-1964 Harley-Davidson FL/FLH Duo-Glide models. Competitive Analysis Manual Advantage: Official factory manual content, comprehensive coverage, instant download availability, detailed diagrams, step-by-step instructions. Key Features Key Features Highlight: Step-by-step repair procedures, critical specifications, high-quality diagrams, exploded views, maintenance schedules, troubleshooting, complete disassembly/assembly guidance. Content Benefit Owner Benefit: Empowers owners to make informed maintenance and repair decisions, understand their vehicle, and perform repairs correctly and efficiently. 📋 Manual Details Coverage Areas Coverage Years: 1958, 1959, 1960, 1961, 1962, 1963, 1964 Models Covered: Harley-Davidson FL Duo-Glide, Harley-Davidson FLH Duo-Glide Page Count Estimated Page Count: Hundreds of pages (printable in entirety or by section) Manual Type Manual Type: Complete Official Full Factory Service Repair Manual / Workshop Manual Manual Purpose: To guide users through repairs and maintenance, teaching factory-trained technician knowledge. Language Language: English Format File Format: PDF Delivery Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine Systems: Engine disassembly, assembly, inspection, repair, tuning, lubrication, cooling, ignition, carburetion, exhaust. Transmission Systems: Transmission disassembly, assembly, inspection, repair, lubrication, gear shifting mechanisms. Drivetrain Systems: Primary drive, final drive, clutch operation and service. Chassis Systems: Frame inspection and repair, suspension (front fork, rear shocks), steering assembly, wheel bearings, brake systems (front and rear), electrical system wiring, lighting, charging system (generator/alternator), battery service. Bodywork And Fittings: Fender removal and installation, fuel tank servicing, seat mounting, control cable routing and adjustment. Electrical System: Wiring diagrams, generator, battery, lighting, ignition switch, starter motor. Fuel System: Carburetor service, fuel lines, fuel tank, fuel valve. Procedures Included General Procedures: Step-by-step repair and maintenance procedures, troubleshooting guides, diagnostic procedures, disassembly and reassembly instructions, cleaning and reinstallation. Maintenance Procedures: Routine maintenance, preventative maintenance, tune-up procedures. Troubleshooting: Includes troubleshooting guides for diagnosing and resolving issues. Diagnostic Procedures: Guidance on identifying the root cause of problems. Technical Depth Technical Depth: Comprehensive, suitable for professional technicians and experienced DIY mechanics. Covers fundamentals to advanced repair. Diagram Quality: Top quality diagrams and exploded pictures. 📊 Manual Specifications File Format File Format: PDF Searchability: PDF format allows for text searching of content. Print Quality Printability: Full Printable (allows printing of entire manual or specific pages). Zoom Capability: YES (Zoom IN/OUT) Binding Type Binding Type: N/A (Digital Download - PDF) Paper Type Paper Type: N/A (Digital Download - PDF) Software Requirements Software Requirements: Adobe PDF Reader, WinZip (for extraction) Compatibility Operating Systems: Compatible with All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Displacement: 74 cubic inches (1213cc) Engine Configuration: OHV (Overhead Valve) V-twin Engine Name: Panhead Performance Horsepower Estimate: Approx. 50-55 HP (figures varied slightly by year and specific tuning, manual will provide exact specs). Torque Estimate: Manual will contain specific torque figures for all fasteners and engine components. Fuel System Carburetion: Typically Linkert M-series carburetors (e.g., M-74, M-77 - specific models detailed in manual). Ignition System Ignition Type: Battery and coil ignition with distributor. Cooling System Cooling Method: Air-cooled 🔧 Transmission Standard Transmission Type: 4-speed constant mesh Optional Optional Transmission: N/A (Standard 4-speed for these models) Features Clutch Type: Wet multi-plate clutch, foot-pedal operated. Drive System: Chain drive to rear wheel. 📐 Dimensions Exterior Wheelbase Estimate: Approx. 60 inches (manual will provide exact figures). Weights Dry Weight Estimate: Approx. 500-550 lbs (depending on specific FL vs. FLH configuration, manual will provide detailed weights). 🛡️ Safety Features Ratings Safety Features Era: Brakes (mechanical drum front and rear), lighting, basic electrical safety considerations. Active Features Braking System: Mechanical drum brakes front and rear. 💡 Technology Features Infotainment Infotainment Systems: N/A (Vehicles of this era are pre-infotainment systems, focus is on mechanical and electrical functionality). Driver Assistance Driver Assistance Features: N/A (No electronic driver assistance systems). Connectivity Connectivity Features: N/A (No electronic connectivity features). 🔧 Maintenance Service Intervals Oil Change Interval Estimate: Every 1,000-2,000 miles or annually (manual will specify exact intervals and procedures). Engine Tune Up Interval: As needed or periodically based on mileage/usage (manual provides detailed tune-up procedures). Fluid Specifications Engine Oil Type: Viscosity and type (e.g., SAE 50, mineral oil) will be specified in the manual, often indicating specific Harley-Davidson recommendations for the era. Transmission Oil Type: Specific type and viscosity for the gearbox will be detailed in the manual. Primary Chain Case Oil: Specific type and viscosity for the primary drive lubrication will be detailed in the manual. Brake Fluid: N/A (Mechanical drum brakes do not use hydraulic fluid). Fork Oil Type: Specific type and viscosity for front fork oil will be detailed. Known Issues Common Issues Coverage: Manual likely addresses common wear items, potential oil leaks (typical for the era), carburetor tuning issues, and electrical system maintenance. Parts Information Parts...