🏷️ Basic Information Identification Make: Harley-Davidson Model: Electra Glide / Duo-Glide Model Variant: FL, FLH, FLHF, FLB, FLFB, FLHB, FLHFB Production Years Covered: 1959-1969 Generation Generation Identifier: Panhead to Shovelhead transition era Codes Chassis Codes: FL, FLH, FLHF, FLB, FLFB, FLHB, FLHFB Engine Codes: Panhead (for most years), early Shovelhead (introduced mid-1965) 👋 Introduction Market Position Historical Context: These models represent a significant era for Harley-Davidson, bridging the Panhead engine era with the introduction of the Shovelhead. They were the flagship touring motorcycles of their time, appealing to riders seeking comfort and performance for long-distance travel. Competitive Analysis Competitors: During this period, key competitors in the large-displacement motorcycle market included British marques like Triumph, BSA, and Norton, as well as emerging Japanese manufacturers. Key Features Manual Value Proposition: This manual is essential for owners and mechanics wanting to maintain, repair, or restore these iconic Harley-Davidson motorcycles. Its comprehensive nature covers nearly every aspect of the machine, making it an invaluable resource. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service and repair for Harley-Davidson Electra Glide and Duo-Glide motorcycles Specific Models Covered: 1959-1969 FL, FLH, FLHF, FLB, FLFB, FLHB, FLHFB variants Page Count Estimated Page Count: Varies by edition, typically several hundred pages Manual Type Type: Service Repair Manual Language Language: English Format Format: Printed Manual (potential for digital formats depending on source) 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, cylinder head service, cylinder and piston service, crankcase service, oil pump, valve tappets, timing gears, lubrication, oil filter, engine breather system. Transmission Systems: Transmission service, clutch service, starter (kick and electric), gear box, shifting linkage, main drive gear oil seal. Chassis Systems: Frame, forks (front fork oil, steering head bearings, trail adjustment), handlebars (spark and throttle controls), seat post, rear shock absorbers. Drive Systems: Chain adjustment, chain lubrication, front and rear chain removal/installation. Wheel Systems: Wheel removal/installation, hub service, sprocket replacement, spoking wheels, wheel truing, tire service, wheel alignment. Brake Systems: Front and rear brake adjustment, brake disassembly, rear brake master cylinder. Electrical Systems: Wiring diagrams (year-specific), switches (ignition, horn, dimmer), lamps (headlamp adjustment, bulb chart), generator (standard and fan-cooled), circuit breaker, ignition coil, spark plugs, regulator, battery, horn, starter motor service. Fuel Systems: Carburetor service (Model HD, M, DC, MD), fuel strainer, air cleaner, fuel tank, fuel supply valve. Fiberglass Components: Surface finishing, touch-up and surface repairs, patching holes and breaks. Procedures Included Maintenance: Regular lubrication, oil changes, chain maintenance, brake adjustments, tire pressure checks, spark plug service, battery care, fork oil changes. Troubleshooting: Detailed troubleshooting guides for engine, generator, carburetor, transmission, clutch, brakes, and electrical systems. Repair: Step-by-step repair instructions for major component overhauls, component replacement, and system diagnostics. Rebuilds: Complete engine rebuild procedures, transmission rebuilds, and component overhauls. Adjustments: Tappet adjustment, clutch adjustment, brake adjustment, steering damper adjustment, ignition timing, carburetor adjustments. Assembly Disassembly: Detailed procedures for disassembling and reassembling all major motorcycle components. Technical Depth Depth: Comprehensive, covering everything from basic maintenance and routine servicing to complete engine and transmission rebuilds, including detailed electrical diagnostics and component-level repairs. 📊 Manual Specifications File Format Format: Likely PDF or scanned document for digital versions; professionally bound for print. Print Quality Quality: Original factory print quality or high-resolution scan for reproduction, ensuring legibility of diagrams and text. Binding Type Binding: Stapled, perfect bound, or spiral bound for print editions to allow for lay-flat use. Paper Type Paper: Durable paper stock suitable for workshop environments, often glossy for diagrams and schematics. ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, OHV V-twin (Panhead and early Shovelhead) Displacement: 74 cubic inches (1200cc) Bore X Stroke: 3.4375 in x 4.00 in (87.3 mm x 101.6 mm) (typical for 74ci Panhead) Performance Horsepower: Approx. 55-60 HP (estimated, varies by tune and year) Torque: Approx. 75-80 lb-ft (estimated) Fuel System Carburetors Used: Linkert (various models: M, M&S, DC, MD) and later Keihin (on some Shovelheads) Fuel Type: Unleaded gasoline (though leaded was common at the time of manufacture). Lubrication Oil System: Total Loss Oil System (oil is consumed, mixed with fuel, or expelled). Oil Capacity: Approx. 1 quart (0.95 L) in the crankcase, plus the reservoir. Engine Features Ignition System: Battery and Coil, Magneto (on some earlier models or as an option). Cooling System: Air-cooled 🔧 Transmission Standard Type: 4-speed constant mesh manual transmission Optional Options: N/A for this era and model line. Features Clutch Type: Dry, multi-plate clutch Transmission Fluid Type: Harley-Davidson recommends specific transmission fluids; often a dedicated Harley-Davidson gear oil or a suitable heavy-duty gear oil. Gear Ratios Primary Drive Ratio: Varies by year and model, typically around 1.06:1 Gear Ratios: Specific ratios for each of the 4 gears are detailed in the manual, important for performance tuning. 📐 Dimensions Exterior Wheelbase: Approx. 60-62 inches (1524-1575 mm), varies slightly by model year. Weights Dry Weight: Approx. 650-700 lbs (295-318 kg),...