🏷️ Basic Information Identification Make: Harley-Davidson Model: FXWG Year: 1980 Engine Type: Shovelhead Codes Vin Prefix: 1HD1 👋 Introduction Market Position Target Audience: Owners of 1980 Harley-Davidson FXWG motorcycles, mechanics, and restoration enthusiasts. Competitive Analysis Value Proposition: Provides comprehensive, factory-level repair and maintenance information, offering significant cost savings compared to professional servicing and expensive physical manuals. Key Features Manual Features: Hundreds of pages, detailed substeps, notes/cautions/warnings, numbered instructions, bold figure numbers, detailed illustrations, enlarged insets, numbered table of contents, combined troubleshooting and electrical service with wiring diagrams. 📋 Manual Details Coverage Areas Coverage Scope: Complete factory service and repair for all styles of the 1980 Harley-Davidson FXWG Shovelhead. Page Count Estimated Page Count: Hundreds (specific number not provided, but implies comprehensive content) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Engine disassembly and reassembly, tune-up, periodic lubrication, fuel system, exhaust systems. Drivetrain Systems: Clutch, primary drive, transmission, kickstarter. Chassis Systems: Front suspension, steering, rear suspension, brakes. Electrical Systems: Electrical system troubleshooting, detailed wiring diagrams. Procedures Included Maintenance Procedures: Periodic lubrication, general maintenance, tune-up procedures. Repair Procedures: Step-by-step instructions for complete disassembly and reassembly, detailed repair procedures for all covered systems. Diagnostic Procedures: Troubleshooting guide for general issues and electrical system problems. Technical Depth Depth: In-depth, professional quality, complete factory coverage, suitable for DIY enthusiasts and experienced mechanics. 📊 Manual Specifications File Format Format: PDF Compatibility: Compatible with all PC-based Windows operating systems and Mac. Print Quality Printability: Printable without restriction, entire manual or selected pages. Resolution: High-quality, with hundreds of photos and illustrations. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Delivery Delivery Method: Instant download link on checkout page after payment. Requirements Software Requirements: Adobe PDF Reader. ⚙️ Engine Specifications Primary Engine Engine Family: Shovelhead Engine Configuration: Air-cooled, V-twin Displacement Cu In: 74 cu in (1200cc) for FL models, 80 cu in (1340cc) for FX/FLT models. FXWG typically featured the 80 cu in engine. Bore X Stroke In: 80 cu in: 3.50 x 4.25 in (90 mm x 108 mm) Performance Horsepower Est: Approx. 60-70 HP (varies based on specific tuning and configuration) Torque Est: Approx. 75-85 ft-lbs (varies based on specific tuning and configuration) Fuel System Carburetor: Typically a Keihin butterfly or Super E/G carburetor (manual will cover specific type). Fuel Type: Unleaded gasoline (premium recommended). Maintenance Oil Type: Harley-Davidson 20W-50 or equivalent motorcycle-specific oil. Oil Capacity Qt: Approx. 3 quarts (2.8 liters) for engine and primary. 🔧 Transmission Standard Type: 4-speed constant mesh, right-side drive. Optional Options: N/A for 1980 FXWG. Features Features: Foot shift, hand clutch operation. Manual provides detailed overhaul procedures. Maintenance Transmission Oil Type: Gear oil (e.g., SAE 80W-90). Transmission Oil Capacity Qt: Approx. 1 quart (0.95 liters). 📐 Dimensions Exterior Wheelbase In: Approx. 63.5 inches (1613 mm) Length In: Approx. 90 inches (2286 mm) Weights Dry Weight Lbs: Approx. 575 lbs (261 kg) Gross Vehicle Weight Rating Lbs: Approx. 900 lbs (408 kg) 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Motorcycle safety testing protocols were less standardized than automotive in this era). Active Features Braking System: Front disc brake, rear drum brake. Manual provides detailed inspection and service procedures. Lighting: Headlight, taillight, brake light, turn signals (coverage in electrical section). Passive Features Frame Construction: Steel frame, rigid construction designed for stability. 💡 Technology Features Infotainment Infotainment System: N/A (This era of Harley-Davidson focuses on mechanicals and rider experience, not integrated electronics). Driver Assistance Rider Aids: N/A (No electronic rider aids). Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 2,000-3,000 miles or annually, as per manual recommendations. Spark Plug Replacement: Approximately every 10,000 miles (manual will provide exact specifications). Chain Adjustment: As needed, typically every 1,000-2,000 miles or when slack exceeds specification. Fluid Specifications Engine Oil Spec: Harley-Davidson 20W-50 or API SF/SG rated motorcycle oil. Primary Chain Case Oil: Harley-Davidson primary chain lubricant or SAE 20W-50 motorcycle oil. Transmission Oil Spec: SAE 80W-90 gear oil. Brake Fluid Spec: DOT 4 brake fluid (check manual for specific type if different). Known Issues Common Wear Items: Valve guides, primary chain tensioner, oil leaks (especially from crank seals and rocker boxes), carburetor adjustment. Electrical Quirks: Older wiring harnesses can degrade; focus on grounds and connections. Manual's electrical section is crucial. 📚 Vehicle History Brand Heritage Brand Legacy: Harley-Davidson is an iconic American motorcycle manufacturer with a long history of producing powerful and distinctive motorcycles. Model Evolution Fxwg Heritage: The FXWG (Wide Glide) was a popular cruiser model introduced in the late 1970s, characterized by its extended front forks and chopper-inspired styling. It represented a significant departure from earlier, more traditional Harley designs. Production Production Period: The Shovelhead engine was produced from 1966 to 1984. The FXWG model was produced from 1980 to 1986....