🏷️ Basic Information Identification Make: Ducati Model: 860 GTS Model Generation: First Generation Production Years Covered: 1976, 1977, 1978, 1979 Codes Chassis Code Prefix: 860 👋 Introduction Market Position Target Audience: Ducati 860 GTS owners and independent mechanics seeking detailed repair and maintenance information. Competitive Analysis Advantage Over Print: Cost-effective, easily accessible, searchable, printable on demand, and more durable than old paper manuals. Key Features Completeness: Official full factory service repair manual with comprehensive coverage for all styles. Usability: Step-by-step instructions, numerous photos and illustrations for clarity. Accessibility: Compatible with Windows and Mac, viewable on PCs, laptops, smartphones, and tablets via web browser. 📋 Manual Details Coverage Areas Primary Coverage: Full Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics, Reassembly Page Count Estimated Pages: Hundreds (exact number not specified, but described as comprehensive) Manual Type Type: Factory Service Repair Manual (FSM) Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Overview: Complete engine disassembly, assembly, tuning, and diagnostics. Fuel System: Carburetor tuning and rebuilding (likely Dell'Orto or similar), fuel pump, fuel lines, fuel tank maintenance. Cooling System: Air cooling system inspection, fin cleaning, and related components. Engine Top End: Cylinder head, valves, camshafts, timing, piston and ring replacement, cylinder service. Clutch: Clutch plate replacement, pressure plate adjustment, clutch cable service, hydraulic clutch system (if applicable). Engine Lubrication: Oil pump service, oil filter replacement, oil drain and fill procedures, oil passages. Crankshaft Transmission: Crankshaft inspection and balancing, gearbox disassembly and reassembly, gear inspection, shift mechanism service. Wheels Tires: Wheel bearing service, spoke tensioning (if applicable), tire mounting and balancing, rim specifications. Final Drive: Chain and sprocket inspection, adjustment, and replacement; shaft drive maintenance (if applicable). Brakes: Brake caliper service, brake pad replacement, brake fluid flush and bleeding, master cylinder inspection, brake disc specifications. Suspension: Front fork service (oil change, seal replacement), rear shock absorber service and adjustment, linkage maintenance. Steering: Headset bearing service, steering damper adjustment (if equipped), handlebar replacement. Frame: Frame inspection for cracks, weld integrity, mounting point checks, fastener torque specifications. Electrical System: Wiring diagrams, ignition system troubleshooting, lighting circuits, battery maintenance, starter motor, alternator. Appendix: Specifications, torque values, wiring schematics, troubleshooting charts. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustments, brake checks, spark plug replacement. Troubleshooting: Step-by-step diagnostic procedures for common and uncommon issues. Engine Rebuild: Complete engine teardown, component inspection, part replacement, and reassembly guidance. Suspension Overhaul: Front fork and rear shock absorber servicing, including seal and fluid replacement. Electrical Diagnostics: Tracing electrical faults, testing components, and understanding wiring diagrams. Brake System Service: Pad replacement, caliper overhauls, bleeding procedures, and fluid management. Transmission Repair: Gearbox disassembly, inspection of gears and bearings, and reassembly. Technical Depth Depth: Comprehensive from basic maintenance to complete engine and component overhaul, suitable for DIY enthusiasts and professional mechanics. Visual Aid: Hundreds of photos and illustrations guiding each procedure. 📊 Manual Specifications File Format File Type: Adobe PDF Searchability: Likely text-searchable if properly digitized. Print Quality Printability: Fully printable, allowing users to print specific pages or the entire manual. Binding Type Binding: Not applicable (digital format) Paper Type Paper Quality: Not applicable (digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 90-degree V-twin (L-twin) Displacement Cc: 797 cc (for standard 860 models, GTS likely similar or variant) Bore X Stroke: 78 mm x 84 mm (typical for 860 series) Valve Train: Desmodromic valve actuation Power Delivery: Known for its torque and character rather than peak horsepower. Fuel System Carburetion: Dual Dell'Orto PHF 32A carburetors (common fitment for this era) Fuel Type: Unleaded gasoline (lead-free fuel recommended for engine longevity) 🔧 Transmission Standard Type: 5-speed constant mesh gearbox Clutch Type: Dry multi-plate clutch Features Final Drive Type: Chain drive 📐 Dimensions Exterior Wheelbase Mm: Approximately 1470 mm (147 cm) Weights Dry Weight Kg: Approximately 195 kg 🛡️ Safety Features Ratings Safety Standards: As per 1970s motorcycle safety standards; no modern electronic safety aids. Active Features Braking System: Dual front disc brakes, single rear disc brake (typical for GTS model). Passive Features Lighting: Headlight, taillight, brake lights, turn signals. 💡 Technology Features Infotainment Infotainment System: None (classic motorcycle technology). Driver Assistance Driver Assistance Features: None (classic motorcycle technology). Connectivity Connectivity Options: None (classic motorcycle technology). 🔧 Maintenance Service Intervals Oil Change Interval Km: Typically every 3,000-5,000 km or annually (refer to manual for precise intervals). Valve Clearance Check Km: Every 6,000-10,000 km (due to desmodromic system, actual adjustment might differ from conventional). Chain Lubrication And Adjustment: Regularly, depending on riding conditions. Fluid Specifications Engine Oil Type: Mineral motorcycle oil, e.g., SAE 20W-50 (refer to manual for exact viscosity and API rating). Brake Fluid Type: DOT 3 or DOT 4 (check manual for specific recommendation). Known Issues Common Wear Items: Clutch plates, valve guide wear, carburetor synchronization issues, electrical connections degradation. Vibrations: Characteristic of the V-twin engine, but excessive vibration...