The FXB, produced in 1980, represents a significant piece of American motorcycle heritage. Featuring the iconic Shovelhead V-Twin, air-cooled engine, this model is known for its classic cruiser styling and robust build. Its engineering quality and reliability have cemented its place as a beloved classic within the motorcycle community, embodying a distinct era. The FXB's typically 80 cubic inch (1310 cc) displacement and 4-speed manual transmission, coupled with a duplex chain primary drive, offer a quintessential riding experience for enthusiasts. This comprehensive Workshop Service Repair Manual provides essential information for the Shovelhead FXB. It covers a wide array of maintenance and repair procedures, including complete engine service, drivetrain components like the clutch and transmission, fuel system, exhaust, electrical systems with wiring diagrams, suspension, steering, and brakes. With hundreds of pages filled with factory-level detail, photos, and illustrations, this English-language manual is an indispensable resource for owners and technicians alike, offering step-by-step repair guidance, troubleshooting tips, and critical safety warnings to ensure the longevity and optimal performance of your 1980 FXB. 🏷️ Basic Information Identification Make: Harley-Davidson Model: FXB Year: 1980 Engine Type: Shovelhead Codes Vin Prefix: 1HD1 👋 Introduction Market Position Target Audience: Harley-Davidson owners and technicians seeking detailed service information Competitive Analysis Manual Advantage: Complete factory documentation, printable, no shipping delays Key Features Illustrations: Hundreds of photos and illustrations Navigation: Numbered table of contents, bold figure numbers, detailed substeps Safety Warnings: Notes, cautions, and warnings throughout each chapter 📋 Manual Details Coverage Areas Primary Coverage: Harley-Davidson Shovelhead FXB 1980 Additional Coverage: All Styles Covered Page Count Estimated Pages: Hundreds of pages Manual Type Type: Workshop Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete Engine Service & Repair Drivetrain: Clutch, Primary Drive, Transmission, Kickstarter Fuel System: Fuel System Service & Repair Exhaust: Exhaust Systems Service & Repair Electrical: Electrical System Diagnosis & Repair, Wiring Diagrams Suspension: Front Suspension, Rear Suspension Service & Repair Steering: Steering System Service & Repair Brakes: Brakes System Service & Repair Procedures Included Maintenance: Periodic Lubrication, General Maintenance, Tune-up Troubleshooting: Comprehensive Troubleshooting Section Repair: Step-by-step repair procedures for complete disassembly Technical Depth Depth: Full factory service detail, suitable for DIY and experienced mechanics 📊 Manual Specifications File Format Requirements: Adobe PDF Reader Print Quality Printability: Printable without restriction Binding Type Binding: Digital Download (Printable) Paper Type Delivery Method: Instant Download Link ⚙️ Engine Specifications Primary Engine Engine Family: Shovelhead Engine Configuration: V-Twin, Air-Cooled Displacement: 80 cubic inches (1310 cc) - typical for Shovelhead Performance Horsepower: Varies by tuning, typically in the 60-70 HP range for stock configurations Torque: Varies by tuning, typically in the 70-80 lb-ft range for stock configurations Fuel System Carburetor: Typically a Keihin Butterfly or Linkert (depending on specific FXB configuration and market) Fuel Type: Unleaded gasoline Engine Internals Ignition System: Battery and Coil (Points Ignition typical for 1980) 🔧 Transmission Standard Type: 4-Speed Constant Mesh Manual Features Clutch Type: Wet Multi-Plate Primary Drive: Duplex Chain 📐 Dimensions Exterior Wheelbase: Approx. 62.5 inches (varies slightly by specific FXB sub-model) Weights Dry Weight: Approx. 550-600 lbs (varies) 🛡️ Safety Features Ratings Safety Standards: N/A (Motorcycle safety standards were less regulated than modern vehicles) Active Features Braking System: Hydraulic Disc Brakes (Front and Rear) Passive Features Lighting: Headlight, Taillight, Turn Signals, Brake Light 💡 Technology Features Infotainment Infotainment System: N/A (No integrated infotainment systems on this model) Driver Assistance Assistance Features: N/A (No electronic driver assistance features) Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Oil Change: Recommended every 2,000-3,000 miles or annually, depending on usage. Spark Plug Replacement: Refer to manual for specific interval, typically every 5,000-10,000 miles. Chain Adjustment: Regular checks and adjustments are crucial for primary and final drive chains. Fluid Specifications Engine Oil Type: API SG or higher, SAE 20W-50 motorcycle specific oil recommended. Primary Chain Case Oil: Harley-Davidson Primary Chain Lubricant or equivalent. Transmission Oil: Harley-Davidson Transmission Lubricant or equivalent. Brake Fluid: DOT 3 or DOT 4 brake fluid (confirm specific type in manual). Known Issues Oil Leaks: Common for vintage motorcycles, especially from engine crankcase and transmission seals. Carburetor Tuning: Can require periodic adjustment due to aging components or fuel variations. Electrical System Aging: Wiring insulation can degrade over time, requiring inspection and potential replacement. 📚 Vehicle History Brand Heritage Heritage: Harley-Davidson is an iconic American motorcycle manufacturer with a rich history dating back to 1903. Model Evolution Shovelhead Era: The Shovelhead engine was produced from 1966 to 1983, succeeding the Panhead and preceding the Evolution engine. The FXB designation typically refers to the belt-drive cruiser models. Production Manufacturing Location: United States (York, Pennsylvania and Milwaukee, Wisconsin) 🏆 Awards & Recognition Recognitions Motorcycle Icon: The Shovelhead platform is a beloved classic within the motorcycle community, representing a significant era for Harley-Davidson.