The Ducati 860 GTS, produced between 1976 and 1979, embodies Ducati's renowned sporting heritage and innovative V-twin engine design, featuring Desmodromic valve actuation. This air-cooled L-twin engine, with an approximate displacement of 860 cc, typically produced between 60-70 horsepower and utilized dual Dell'Orto carburetors. Known for its robust construction and unique engineering, the 860 GTS represents a significant evolution in Ducati's motorcycle development, offering a distinctive riding experience characterized by its mechanical prowess and characteristic engine feel. This comprehensive factory service repair manual provides detailed, step-by-step instructions for the complete disassembly and repair of all major systems on the Ducati 860 GTS. Coverage includes the engine mechanicals, fuel and cooling systems, drivetrain, chassis components such as brakes and suspension, and the electrical system. The manual also offers crucial troubleshooting guidance, diagnostic procedures, and essential technical specifications, including hundreds of illustrations and photographs, to assist owners and technicians in maintaining the performance and longevity of their vehicle. 🏷️ Basic Information Identification Make: Ducati Model: 860 GTS Model Years Covered: 1976, 1977, 1978, 1979 👋 Introduction Market Position Target Audience: Ducati 860 GTS owners and mechanics performing maintenance and repairs. Competitive Analysis Value Proposition: Provides complete factory service information, an inexpensive way to keep the vehicle working properly, and avoids shipping costs and wait times of physical manuals. Key Features Features: Hundreds of pages, hundreds of photos/illustrations, detailed substeps, notes/cautions/warnings, numbered instructions, bold figure numbers, enlarged insets, numbered table of contents, troubleshooting, wiring diagrams. 📋 Manual Details Coverage Areas Primary Coverage: Complete Workshop Service Repair Manual Page Count Estimated Pages: Hundreds of pages (specific count not provided, but implies extensive detail) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download Print Quality Printability: Printable in its entirety or individual pages without restriction. Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper: Not Applicable (Digital Download) 📖 Manual Coverage Systems Covered Engine Mechanical: General Information, Fuel System, Cooling System, Engine Top End, Engine Lubrication System, Engine Removal/Installation, Crankshaft/Transmission Drivetrain: Clutch, Crankshaft/Transmission, Wheels/Tires, Final Drive Chassis: Brakes, Suspension, Steering, Frame Electrical: Electrical System (including troubleshooting and wiring diagrams) Miscellaneous: Appendix Procedures Included Repair Procedures: Step-by-step instructions for complete disassembly and repair of all covered systems. Maintenance: Implied within general information and system-specific procedures. Diagnostics: Troubleshooting and electrical service procedures. Electrical Troubleshooting: Combined troubleshooting and electrical service procedures with detailed wiring diagrams for ease of diagnosis. Technical Depth Depth: Comprehensive factory-level detail suitable for both DIY and experienced mechanics. Illustrations Photos: Hundreds of photos and illustrations, including enlarged insets, to guide users through procedures. 📊 Manual Specifications File Format Format: PDF Compatibility: Compatible with all PC based Windows operating systems and Mac. Storage: Can be saved to hard-drive or burned to CD-ROM. Print Quality Print Restriction: No restrictions on printing. Delivery Delivery Method: Instant download link provided on checkout page after payment. Requirements Software Requirements: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Configuration: Air-cooled, L-twin (Desmodromic valve actuation typically) Displacement: 860 cc (approximate, specific variants may exist) Performance Horsepower: Typically in the 60-70 HP range (exact figure varies by specific 860 GTS model variant and tuning) Torque: Specific figures vary, but characteristic of larger displacement V-twins of the era. Fuel System Carburetion: Typically dual Dell'Orto carburetors (specific model and size would be detailed in the manual). Fuel Type: Unleaded gasoline (premium recommended) Engine Top End Cylinder Head: Desmodromic valve actuation, typically 2 valves per cylinder. Engine Lubrication System Oil System: Wet sump lubrication system with oil pump, filter, and oil cooler (may vary by specific sub-model). Engine Removal Installation Procedure Scope: Detailed procedures for removing and reinstalling the engine from the frame. 🔧 Transmission Standard Type: 5-speed constant mesh Optional Options: Not applicable for this model year range. Features Clutch Type: Wet multi-plate clutch Crankshaft Transmission Gearbox Components: Includes details on gearbox shafts, gears, bearings, and shifting mechanisms. 📐 Dimensions Weights Dry Weight: Approximately 200-215 kg (depending on specific configuration) Wet Weight: Weight with all fluids, approximately 215-230 kg. Wheels Tires Front Wheel Size: Typically 18 or 19 inches. Manual will specify exact fitment. Rear Wheel Size: Typically 17 or 18 inches. Manual will specify exact fitment. 🛡️ Safety Features Ratings Safety Ratings: No formal crash test ratings exist for motorcycles of this era. Safety features are mechanical. Active Features Braking System: Typically front and rear disc brakes. Manual provides detailed inspection, service, and adjustment procedures. Passive Features Lighting System: Headlight, taillight, brake light, turn signals. Manual covers electrical system and bulb replacement. 🔧 Maintenance Service Intervals Oil Change: Typically every 3,000-5,000 km or annually, depending on usage. Specific interval detailed in the manual. Desmodromic Adjustment: Requires periodic adjustment as per manufacturer's schedule, crucial for engine performance and longevity. Manual will detail this. Valve Clearance Check: Critical for Desmodromic engines. Intervals are typically significant (e.g., 10,000-15,000 km) but...