🏷️ Basic Information Identification Make: Ducati Model: OHC Singles Year: 1967, 1968 Codes Engine Type Identifier: OHC Singles (Overhead Camshaft Single Cylinder) 👋 Introduction Market Position Historical Context: Covers a critical period for Ducati's single-cylinder models, which formed the backbone of the company's early success and were popular in competition and road use. Competitive Analysis Manual Value Proposition: Provides essential, detailed technical information for enthusiasts and mechanics working on increasingly collectible classic Ducati motorcycles, offering a cost-effective alternative to scarce original manuals. Key Features Illustration Quality: Numerous illustrations aiding in understanding procedures and component identification Readability: Easy-to-read text format Digital Benefits: Instant download saves time and shipping costs; ability to print specific pages for workshop use. 📋 Manual Details Coverage Areas Primary Coverage: Service, Workshop, Repair Page Count Estimated Page Count: Hundreds (Specific count not provided, but implies extensive coverage) Manual Type Manual Type: Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Systems: Cylinder head, camshaft, valves, piston, connecting rod, crankshaft, lubrication system, cooling system (air), fuel system (carburetion) Transmission Systems: Gearbox (clutch, primary drive, gearbox internals, shifting mechanism) Chassis Systems: Frame, suspension (front fork, rear shocks), brakes (drum brakes front and rear), wheels, tires, steering Electrical Systems: Ignition system (points, coil, condenser), lighting, charging system (generator/alternator), wiring diagrams Bodywork And Fittings: Fuel tank, seat, fenders, controls, instruments Procedures Included Maintenance Procedures: Oil change, filter replacement, spark plug service, chain adjustment, brake adjustment, carburetor cleaning and adjustment, valve clearance adjustment Repair Procedures: Engine disassembly and reassembly, transmission rebuild, clutch overhaul, suspension component replacement, brake system repair, electrical component diagnosis and repair Troubleshooting: Diagnostic procedures for common and uncommon issues, identification of problems Technical Depth Depth: Comprehensive (every nut and bolt), detailed step-by-step instructions for repairs and maintenance 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Print Quality Printability: All pages printable Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Medium: N/A (Digital Download) Features Search Functionality: Searchable text within the PDF ⚙️ Engine Specifications Primary Engine Engine Configuration: Single Cylinder, Four-Stroke, Overhead Camshaft (OHC) Engine Variants Common Displacements: Likely includes 125cc, 160cc, 200cc, 250cc, 350cc, 450cc variants depending on specific model covered within the 'OHC Singles' umbrella. Performance Horsepower Range: Varies by displacement, typically 10-30 bhp for road models, higher for race derivatives. Torque Characteristics: Emphasis on usable mid-range torque, typical for single-cylinder designs of the era. Fuel System Carburetor Type: Typically Dell'Orto or Amministrazione, single carburetor setup. Lubrication System Oil Type Recommendation: Specific oil grades for the era, likely SAE 20W/50 or similar, to be detailed within the manual. Ignition System Ignition Type: Contact breaker points, single ignition coil, distributor (less common on singles of this era). Valve Train Valve Clearance Specification: Specific cold clearance values for intake and exhaust valves, critical for performance and longevity, to be found in the manual. 🔧 Transmission Standard Gearbox Type: Constant mesh, sequential manual gearbox. Optional Clutch Type: Wet multi-plate clutch, operated by cable. Features Gear Ratios: Specific gear ratios for each model variant will be detailed, crucial for understanding performance characteristics. Transmission Fluid: Likely shared engine oil or specific gearbox oil, specifications provided in the manual. 📐 Dimensions Exterior Frame Type: Typically tubular steel cradle frame. Weights Dry Weight: Varies significantly by model, generally lightweight for the era, likely in the 100-150 kg range. Kerb Weight: Will include fluid and fuel weights, detailed in the manual. 🛡️ Safety Features Ratings Crash Test Data: N/A (Motorcycles of this era were not subjected to standardized crash testing as seen in modern cars). Active Features Braking System: Drum brakes front and rear. Manual will detail adjustment and relining procedures. Passive Features Frame Integrity: Design emphasis on frame rigidity for stability. 💡 Technology Features Infotainment Instrumentation: Basic analog instrumentation: speedometer, tachometer (optional), odometer, neutral indicator light. Driver Assistance ABS Traction Control: None Connectivity Bluetooth Usb: None 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 km or annually, specific interval provided in manual. Valve Adjustment Interval: Regular checks recommended, often every 6,000-10,000 km, detailed in manual. Chain Lubrication And Tension: Frequent checks and lubrication, chain tension adjustment as needed, procedure in manual. Fluid Specifications Engine Oil Grade: Specified in manual, likely a classic motorcycle-specific oil, e.g., SAE 20W/50. Brake Fluid Type: Not applicable if solely drum brakes, or DOT 3/4 if hydraulic components were introduced on later variants not covered. Known Issues Carburetor Performance: Carburetors can become gummed up with age; require regular cleaning and synchronization. Manual details this. Oil Leaks: Common on older motorcycles due to aging seals and gaskets. Manual provides procedures for replacing these. Valve Seat Wear: Potential for wear on valve seats; requires checking and adjustment. Manual covers this process. Electrical Component Reliability: Older wiring and components can degrade; manual includes wiring diagrams for diagnosis. 📚 Vehicle History...