🏷️ 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 must be followed. Manual provides procedures. Chain Maintenance: Regular cleaning, lubrication, and tension adjustment of the final drive chain. Manual will detail. Fluid Specifications Engine Oil: Likely a SAE 20W-50 or similar viscosity motorcycle-specific oil. Manual will specify exact type and capacity. Gearbox Oil: Likely a dedicated gearbox oil or the same engine oil. Manual will specify. Brake Fluid: DOT 3 or DOT 4 brake fluid, depending on the system specification. Manual will confirm. Fork Oil: Specific viscosity and capacity for front fork suspension. Manual will specify. Known Issues Electrical Reliability: Older Ducati electrical systems can be prone to issues with wiring insulation degradation and connector corrosion. The manual's electrical section is vital. Desmodromic Wear: Wear in the desmodromic system components can affect valve timing and performance if not maintained. Regular checks are key. Carburetor Tuning: Dual carburetors require synchronized tuning for optimal performance. The manual will provide precise settings. Frame Cracks: While uncommon, thorough inspection...