🏷️ Basic Information Identification Make: Ducati Model: 860 GT / GTS, 900 SS, Mille GT Generation Generation Designation: Square Case Codes Internal Project Codes: DK101 (likely for manual development) 👋 Introduction Market Position Target Audience: Enthusiasts and owners of 1970s/1980s Ducati square-case V-twins Value Proposition: Comprehensive DIY repair and maintenance resource, saving money on professional labor and postage costs. Competitive Analysis Differentiation: Guaranteed excellent quality, customer service, and instant download versus potentially inferior or incomplete 'imitation' manuals. Key Features Illustrations: Hundreds of detailed illustrations and approximately 200 specific pictures Text Readability: Easy-to-read text Appendices: Complete appendices of technical specifications 📋 Manual Details Coverage Areas Applicable Models: Ducati 860 GT, 860 GTS, 900 Super Sport (SS), Mille GT, Mike Hailwood Replica (MHR) Page Count Total Pages: Hundreds (specific count not provided, but described as extensive) Manual Type Type: PDF Service and Repair Manual Language Language: English Format Format: Digital PDF (Instant Download) 📖 Manual Coverage Systems Covered Engine: V-twin, Desmodromic valve actuation, cooling systems (air), lubrication systems (wet/dry sump depending on model variant) Transmission: Gearbox (5-speed), clutch (dry or wet depending on model), drive chain Electrical System: Ignition system (points/electronic), lighting, charging system (alternator/generator), starter motor, wiring diagrams Chassis And Suspension: Frame construction (steel tube), front forks (conventional or leading axle), rear suspension (twin shock absorbers, swingarm) Braking System: Front and rear disc brakes (single or dual discs depending on model), brake caliper service, master cylinders, fluid lines Fuel System: Carburetors (e.g., Dell'Orto PHM), fuel tank, fuel lines, fuel petcock Bodywork: Fairings, fuel tank, seat, fenders, instrument cluster Procedures Included Maintenance: Oil changes, filter replacement, chain adjustment, spark plug service, air filter cleaning/replacement, brake fluid flush Troubleshooting: Diagnosing engine performance issues, electrical faults, brake problems, starting difficulties Repair: Engine rebuilds (piston replacement, valve adjustments), transmission disassembly/reassembly, carburetor tuning, brake caliper overhaul, electrical component replacement Disassembly And Reassembly: Complete component-level breakdown and reassembly instructions Technical Depth Depth: Comprehensive, covering everything from basic fluid checks to complete engine and transmission overhauls. Diagnostic Capabilities: Detailed fault finding guides and diagnostic procedures Rebuild Guidance: Explicit instructions for engine, gearbox, and other major component rebuilds 📊 Manual Specifications File Format File Type: PDF Searchability: Yes, via PDF search function Print Quality Printability: All pages printable Image Quality: High quality, with hundreds of illustrations (stated 200 pictures in description) Binding Type Binding: N/A (PDF format) Paper Type Paper: N/A (PDF format) ⚙️ Engine Specifications Primary Engine Configuration: Air-cooled, 90-degree V-twin Valve Actuation: Desmodromic Displacement 860: 860 cc (approx.) Displacement 900: 900 cc (approx.) Displacement Mille: 973 cc (approx.) Performance Horsepower 900Ss Approx: 60-70 HP (varies by specific model year and tuning) Torque 900Ss Approx: 50-55 ft-lbs (varies by specific model year and tuning) Fuel System Carburetors: Typically Dell'Orto PHM 36/40mm twin carburetors (specific models may vary) 🔧 Transmission Standard Type: 5-speed manual gearbox Optional Options: N/A (5-speed standard for these models) Features Clutch: Dry clutch (common on SS models) or wet clutch (early 860 models, later Mille) Final Drive: Chain drive 📐 Dimensions Exterior General Style: Sportbike/Naked Sport Weights Dry Weight Approx 900Ss: Approx. 195-205 kg (430-450 lbs) 💡 Technology Features Infotainment Infotainment System: N/A (Technology of the era focused on mechanicals, basic instrumentation). Driver Assistance Assistance Features: N/A Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 km (1,800-3,000 miles) or annually, consult manual for exact specifics. Desmo Valve Adjustment Interval: Every 6,000-10,000 km (3,700-6,000 miles), critical for performance and longevity. Fluid Specifications Engine Oil Type: SAE 20W-50 motorcycle-specific mineral or semi-synthetic oil recommended. Check manual for exact API classification. Brake Fluid Type: DOT 3 or DOT 4 brake fluid (check manual for specific requirements). Gearbox Oil Type: Typically SAE 80W-90 or 90W hypoid gear oil (refer to manual for precise specification). Known Issues Desmodromic Valve Adjustment: Requires specialized knowledge and tools; incorrect adjustment can lead to poor running or engine damage. Electrical Reliability: Older wiring looms can degrade; ignition components (coils, stators) can be a failure point. Carburetor Tuning: Sensitive to dirt and wear; requires careful synchronization and jetting for optimal performance. Frame Cracks: While generally robust, inspection for stress cracks around headstock or swingarm pivot is recommended on high-mileage machines. 📚 Vehicle History Brand Heritage Brand Focus: Italian manufacturer renowned for performance motorcycles, especially V-twins. Model Evolution Development Context: Followed the highly successful 750 Sport, introducing larger displacements and evolved chassis designs. Key Variants Covered: 860 GT/GTS (cruiser-oriented), 900 Super Sport (performance focus), Mille GT (evolution of 900), Mike Hailwood Replica (homage to racer). Production Production Period: Mid-1970s to mid-1980s Manufacturing Origin: Italy 🏆 Awards & Recognition Recognitions Model Recognition: The 900 Super Sport and MHR are considered iconic and highly collectible motorcycles from their era, celebrated for performance and styling. Ratings General Reputation: Highly regarded by enthusiasts for their character, performance, and the iconic desmodromic V-twin engine.