The Ducati 860 GTS, produced from 1976 to 1979, is an iconic Italian motorcycle known for its distinctive styling and the powerful 90-degree V-twin engine. This sport-tourer, a significant evolution from earlier Ducati models, offers a unique blend of performance and design that cemented its place in motorcycle history. With an approximate 760cc displacement and a 5-speed transmission, the 860 GTS was engineered for both spirited riding and comfortable touring, embodying Ducati's heritage of crafting high-performance machines. Its robust construction and characteristic L-twin configuration provide a riding experience that continues to be appreciated by enthusiasts. This comprehensive workshop repair service manual provides detailed guidance for the maintenance, repair, and overhaul of the Ducati 860 GTS models manufactured between 1976 and 1979. It covers all essential systems, including the engine, fuel system, ignition, electrical components, transmission, chassis, brakes, and bodywork. The manual includes step-by-step procedures for routine maintenance, disassembly, assembly, and troubleshooting, as well as specific instructions for proprietary components. Designed for owners, mechanics, and technicians, this manual aims to ensure the longevity and optimal performance of the 860 GTS by offering professional-level technical information. 🏷️ Basic Information Identification Make: Ducati Model: 860 GTS Model Variant: GTS Years Covered: 1976-1979 Codes Product Code: DUCATI-860GTS-7679-WSM 👋 Introduction Market Position Target User: Owners, mechanics, and enthusiasts seeking to maintain, repair, and restore the Ducati 860 GTS. Competitive Analysis Value Proposition: Provides dealer-level information to enable cost-effective maintenance and repairs, empowering owners to perform work themselves or with greater understanding. Key Features Accuracy: Endeavored to ensure accuracy, providing reliable information for repairs. Completeness: Complete service manual containing all necessary instructions for various repair needs. Professional Guidance: Aims to help users perform repairs like a professional technician. 📋 Manual Details Coverage Areas General Coverage: Comprehensive repair and overhaul of Ducati 860 GTS models from 1976 to 1979. Proprietary Components: Includes instructions for components manufactured by Ducati and proprietary component manufacturers. Page Count Estimated Page Count: Variable (PDF content depends on original publication; typically hundreds of pages for a full workshop manual). Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine disassembly, assembly, overhaul, tuning, lubrication system. Fuel System: Carburetor service, fuel delivery, fuel tank, fuel lines. Ignition System: Ignition timing, spark plugs, coils, ignition components. Electrical System: Wiring diagrams, lighting, charging system, starter motor, battery service. Transmission Drivetrain: Gearbox disassembly, assembly, clutch, final drive. Chassis Suspension: Front fork overhaul, rear suspension, shock absorbers. Brakes: Brake system overhaul, hydraulic components, pad/shoe replacement. Exhaust System: Exhaust pipe and muffler service. Bodywork: Body panel removal, fairings, seat, controls. Procedures Included Routine Maintenance: Tune-ups, oil changes, filter replacement, chain adjustment, lubrication. Disassembly Assembly: Detailed step-by-step procedures for component removal and installation. Overhaul Rebuild: Comprehensive instructions for engine, transmission, and other major component overhauls. Troubleshooting: Diagnostic procedures and common issue identification. Adjustments: Valve adjustments, carburetor synchronization, ignition timing. Technical Depth Depth: Assumes general automobile practices, emphasizes special Ducati aspects, suitable for professional technicians and knowledgeable enthusiasts. 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Printable Binding Type Binding: Digital Download (Not a Hard Copy) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 90-degree V-twin (L-twin) Engine Displacement: 760cc (approximate, specific variants may exist) Bore X Stroke: Refer to manual for specific dimensions (typical for this era, e.g., 80mm x 75mm). Performance Horsepower: Approx. 52-60 HP (at RPM, refer to manual for exact figures). Torque: Refer to manual for specific torque figures and RPM. Fuel System Carburetors: Dual Dell'Orto PHM 38 (common specification, confirm in manual). Fuel Type: Unleaded gasoline (octane rating as per manual recommendation). 🔧 Transmission Standard Type: 5-speed constant mesh Clutch: Dry, multi-plate Features Drive Type: Shaft drive 📐 Dimensions Exterior Wheelbase: Refer to manual for exact dimensions (approx. 1460 mm). Weights Dry Weight: Approx. 190-200 kg (refer to manual for exact figures). 🛡️ Safety Features Active Features Braking System: Disc brakes front and rear (typically twin discs front, single rear). Passive Features Lighting: Headlight, taillight, brake light, turn signals. 💡 Technology Features Infotainment Features: Basic analog instrumentation typical for the era (speedometer, tachometer, oil pressure light). Driver Assistance Features: N/A (No modern driver assistance systems). Connectivity Features: N/A (No electronic connectivity features). 🔧 Maintenance Service Intervals Oil Change: Refer to manual for specific mileage/time intervals (typically 3,000-5,000 km). Valve Adjustment: Refer to manual for specific intervals (e.g., every 5,000-10,000 km). Spark Plug Replacement: Refer to manual for specific intervals. Fluid Specifications Engine Oil: Refer to manual for specific viscosity grade (e.g., SAE 20W-50) and API classification. Gearbox Oil: Refer to manual for specific viscosity and type. Brake Fluid: DOT 3 or DOT 4 (refer to manual for specific type). Known Issues Electrical Reliability: Older Italian motorcycles can have electrical gremlins; manual provides wiring diagrams for troubleshooting....