🏷️ Basic Information Identification Make: Harley-Davidson Model: Dyna FXD Models Model Variant: FXD Super Glide, FXDL Low Rider, FXDWG Wide Glide, FXDX Super Glide Sport, FXDXT Super Glide T-Sport Year: 2003 Codes Chassis Code: FXD, FXDL, FXDWG, FXDX, FXDXT Generation Generation: Dyna (Second Generation, 1991-2005) 👋 Introduction Market Position Target Audience: DIY mechanics, owners seeking to maintain and repair their motorcycles, enthusiasts Competitive Analysis Value Proposition: Cost savings on dealership labor, empowers owners with knowledge, comprehensive coverage Key Features Delivery Method: Instant Download Content Type: Two essential manuals (Service and Electrical) in one package 📋 Manual Details Coverage Areas Manual Type: Service and Electrical Diagnostics Language: English Format: PDF Page Count Total Pages: 687 Compatibility Operating Systems: All Versions of Windows & Mac Requirements Software Requirements: Adobe PDF Reader 📖 Manual Coverage Systems Covered Engine: Comprehensive engine service, maintenance, and repair Chassis: Frame, suspension (front and rear), wheels, tires, steering Fuel System: Carburetor (Keihin CV), fuel tank, fuel lines, fuel pump (if applicable) Drive System: Primary drive, clutch, drive belt, final drive sprocket Transmission: 5-speed gearbox, internal components, maintenance, repair Electrical System: Complete wiring diagrams, starting system, charging system, ignition system, lighting, instruments, TSM/HFSM, engine management Brakes: Front and rear brake systems, hydraulic components, service, and repair Bodywork And Fittings: Fenders, fuel tank, seat, handlebars, controls Tsm Hfsm: TSM (Turn Signal Module) / HFSM (Headlight/Flashing/Signal Module) diagnostics and troubleshooting Engine Management Diagnostics: Engine management system diagnostics, including ignition timing and fuel mapping (within the context of a carburetor). Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacement, lubrication, tune-ups Diagnostics: Troubleshooting guides, fault diagnosis for all major systems Repair: Step-by-step repair instructions for all components Rebuilds: Detailed procedures for engine, transmission, and carburetor rebuilds Adjustments: Carburetor adjustment, clutch adjustment, brake adjustments Technical Depth Depth: Comprehensive, from basic maintenance to advanced diagnostics and full rebuilds Illustrations: Detailed diagrams, illustrations, photos, exploded views Specifications: Torque specifications, tolerances, fluid capacities, electrical specifications 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text (depending on PDF creation) Print Quality Printability: All pages are printable Binding Type Binding: N/A (Digital PDF Download) Paper Type Paper Quality: N/A (Digital PDF Download) ⚙️ Engine Specifications Primary Engine Engine Family: Harley-Davidson Evolution (Evo) V-twin Displacement: 1450cc (88 cubic inches) Bore X Stroke: 3.50 in x 4.47 in (88.9 mm x 113.5 mm) - typical for 88ci Evo Compression Ratio: 9.0:1 (typical for 2003 88ci) Cooling System: Air-cooled Valvetrain: Overhead Valve (OHV), 2 valves per cylinder, pushrod activated Performance Horsepower: Approx. 65-70 HP (Varies by model and tuning) Torque: Approx. 70-75 ft-lbs @ 3000 RPM (Varies by model and tuning) Fuel System Fuel Delivery: Keihin CV (Constant Velocity) 40mm Carburetor Fuel Type: Unleaded Gasoline, 91 Octane (or higher) Recommended 🔧 Transmission Standard Type: 5-speed constant mesh, helical gears Gear Ratios: Specific ratios detailed in manual (e.g., 1st: 9.01, 2nd: 6.45, 3rd: 4.77, 4th: 3.77, 5th: 3.15 - typical for this era) Features Clutch Type: Wet, multi-plate Primary Drive: Duplex chain, 34/46T (34-tooth engine sprocket, 46-tooth clutch sprocket) Final Drive: Belt drive, 32/65T (32-tooth transmission sprocket, 65-tooth rear pulley) - typical ratio Fluid Specifications Transmission Fluid: Harley-Davidson Genuine Formula SYN3 or equivalent SAE 75W-140 Synthetic Gear Oil 📐 Dimensions Exterior Wheelbase: Varies by model (e.g., FXD: 62.8 in, FXDWG: 66.2 in) Weights Dry Weight: Varies by model (e.g., FXD: ~635 lbs, FXDWG: ~670 lbs) Gvwr: Not typically specified by Harley-Davidson in owner's manuals, but implied by frame and suspension load limits. Fuel Capacity Fuel Tank Capacity: Varies by model (e.g., FXD: 4.0 gal, FXDWG: 5.0 gal) 🛡️ Safety Features Ratings Crash Test Results: N/A (Motorcycle safety ratings are not standardized like automotive ones) Active Features Braking System: Dual-piston caliper front and rear disc brakes Passive Features Lighting: Halogen headlamp, taillight, brake light, turn signals 💡 Technology Features Infotainment Audio System: Optional accessory audio systems available for some models, but not standard on all 2003 Dynas. Driver Assistance ABS: Anti-lock Braking System (ABS) was not a standard or widely available option on 2003 Dyna models. Engine Management Ignition System: Electronic ignition system (points-based systems were phased out in earlier Harley models) Fuel Management: Carburetor-based fuel management with manual adjustments. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles or 6 months, whichever comes first (typical recommendation) Primary Chain Tensioner Check: Inspect and adjust as needed during regular service intervals (critical maintenance item for early Evo models) Spark Plug Replacement: Approximately every 10,000-15,000 miles Belt Inspection: Inspect drive belt for wear and tension at regular intervals. Fluid Specifications Engine Oil: Harley-Davidson Genuine Formula SYN3 (20W-50) or equivalent SAE 20W-50 Motorcycle Oil meeting Harley-Davidson specifications. Primary Oil: Harley-Davidson Genuine Formula SYN3 (20W-50) or equivalent SAE 20W-50 Motorcycle Oil meeting Harley-Davidson specifications. Brake Fluid: DOT 4 (for hydraulic clutch and brake systems) Known Issues Primary Chain Tensioner: The original spring-loaded tensioner...