Motorcycle Segment:
Classic Italian sport-touring motorcycle.
Key Competitors Era:
Competed with other large-displacement V-twins of the era, such as Moto Guzzi, BMW boxers, and some British twins.
Engine Layout:
Iconic 90-degree V-twin engine.
Design Philosophy:
Blend of performance, touring comfort, and distinctive Italian styling.
Manual Target Audience:
Ducati 860 GT owners, mechanics, and DIY enthusiasts seeking in-depth repair and maintenance guidance.
Engine Overhaul:
Complete disassembly, inspection, repair, and reassembly of the engine.
Transmission Service:
Maintenance, removal, installation, and overhaul of the gearbox.
Carburetor System:
Adjustment, cleaning, and overhaul of the Dell'Orto carburetors.
Electrical System:
Wiring diagrams, component testing, troubleshooting, and repair of ignition, lighting, and charging systems.
Fuel System:
Fuel tank, fuel lines, fuel pump (if applicable), and filter maintenance and inspection.
Cooling System:
Air-cooled engine specifics, cylinder head and cylinder fin maintenance.
Exhaust System:
Inspection, maintenance, and potential repair of mufflers and header pipes.
Brake System:
Service and adjustment of front and rear drum or disc brakes (depending on specification).
Suspension System:
Fork servicing, rear shock absorber adjustment and replacement.
Chassis And Frame:
Inspection, maintenance, and repair of the motorcycle frame and associated components.
Wheel And Tire Service:
Tire pressure, wheel balancing, and spoke tension checks.
Bodywork And Fittings:
Fairings, seat, fuel tank, and other body component removal and installation.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, and lubrication schedules.
Troubleshooting Guide:
Diagnostic procedures for common mechanical and electrical issues.
Disassembly And Assembly:
Step-by-step instructions for taking apart and putting back together major components.
Adjustments:
Detailed instructions for setting engine timing, carburetor idle, brake levers, etc.
Special Tool References:
Identification and usage of Ducati-specific or recommended service tools.
Pictorial Diagrams:
Bumper-to-bumper illustrations, exploded views, and schematic diagrams.
Wear Limit Specifications:
Precise measurements for critical engine and chassis components to determine wear.
Torque Specifications:
Factory-recommended tightening torques for all critical fasteners.
Depth Level:
Comprehensive, from basic maintenance to complete engine rebuilds and advanced diagnostics.
Engine Type:
Air-cooled, 90-degree V-twin, four-stroke.
Bore X Stroke:
Approximately 80 mm x 85 mm (specific values would be in the manual).
Horsepower:
Around 60-65 HP at approximately 6500-7000 RPM (typical for the era, exact specs in manual).
Torque:
Significant torque output, providing strong mid-range pull.
Carburetors:
Dual Dell'Orto PHM 40 CD carburetors.
Fuel Delivery:
Gravity feed from fuel tank.
Valve Train:
Desmodromic valve actuation (typical for Ducati), pushrod operated.
Oil Change Interval:
Typically every 3,000-5,000 km (refer to manual for exact recommendation).
Valve Clearance Check:
Regular checks and adjustments crucial for the desmodromic system, intervals specified in the manual.
Engine Oil Type:
High-quality motorcycle-specific engine oil (e.g., SAE 20W-50 or similar, consult manual for exact grade).
Engine Oil Capacity:
Approximately 2.5-3 liters (consult manual for exact capacity).
Brake Fluid Type:
DOT 3 or DOT 4 (check manual for specific requirement).
Desmodromic Maintenance:
Requires specialized knowledge for proper adjustment and maintenance of the desmodromic valve system.
Electrical Reliability:
Older wiring harnesses can degrade; careful inspection and potential replacement are advised.
Carburetor Tuning:
Dell'Orto carburetors can be sensitive and require precise tuning for optimal performance.
Lubrication:
Regularly lubricate control cables, pivot points, and the drive chain.
