Market Appeal:
Targeted at Ducati enthusiasts and owners of the 1976 860 GT and GTS models, particularly those who prefer DIY maintenance and repairs.
Manual Value:
A critical resource for maintaining and repairing these classic Italian motorcycles, offering detailed technical guidance that is often difficult to find for vintage models. The 'downloadable' format offers immediate access.
Product Description Highlights:
Practical, high-quality diagrams and instructions, essential for DIYers, instant download.
Model Variants Covered:
Ducati 860 GT, Ducati 860 GTS
Estimated Page Count:
Varies based on specific edition, typically 200-400 pages for comprehensive manuals of this era.
Type:
Service and Repair Manual
Language:
English (de en indicates German and English, but product description specifies English download)
Format:
Digital Download (PDF)
Engine Systems:
Engine teardown and assembly, valve timing, piston and cylinder inspection, crankshaft and connecting rod service, carburetor overhaul (Dell'Orto PHF), fuel system, exhaust system.
Electrical Systems:
Ignition system (Ducati electronic ignition), lighting circuits, charging system (alternator, regulator), starter motor, battery maintenance, wiring diagrams.
Chassis And Suspension:
Frame inspection and repair, front fork service (Marzocchi), rear shock absorber service and adjustment, wheel bearing maintenance, steering head bearing service.
Braking System:
Front and rear brake caliper overhaul, master cylinder service, brake pad replacement, brake fluid replacement and bleeding, brake line inspection.
Fuel And Exhaust:
Fuel tank inspection, fuel lines, fuel filter, exhaust system mounting and gasket replacement.
Controls And Devices:
Throttle control, clutch lever and cable, brake levers, handlebar components, instrument panel, lighting switches.
Bodywork And Fairings:
Fairing removal and installation, seat assembly, fender mounting, cosmetic component care.
Maintenance Procedures:
Regular service checks, oil changes, filter replacements, chain lubrication and adjustment, spark plug replacement, air filter cleaning/replacement.
Repair Procedures:
Engine rebuilds, transmission servicing, electrical troubleshooting, brake system overhauls, suspension component replacement.
Diagnostic Procedures:
Troubleshooting common starting issues, performance problems, electrical faults, and braking anomalies.
Depth Of Coverage:
Comprehensive, covering routine maintenance to full engine and gearbox rebuilds, including detailed torque specifications and diagnostic procedures. High-quality diagrams are a key feature.
Engine Type:
Air-cooled, L-twin (Desmodromic 90° V-twin)
Displacement:
860 cc (approx. 858 cc)
Bore X Stroke:
80 mm x 85 mm (approx.)
Compression Ratio:
Approx. 9.0:1
Horsepower:
Approx. 60-65 hp @ 6500-7000 rpm (depending on specific tuning and market)
Torque:
Approx. 70 Nm (52 lb-ft) @ 5000 rpm (approx.)
Carburetion:
Dual Dell'Orto PHF 32mm (or similar)
Fuel Type:
Unleaded gasoline (premium recommended)
Ignition Type:
Electronic ignition (Ducati Elettronica)
Oil Change Interval:
Typically every 3,000-5,000 km or annually, depending on usage. Refer to manual for exact specifications.
Valve Adjustment Interval:
Every 6,000-10,000 km due to Desmodromic system, requiring precise adjustment.
Spark Plug Replacement:
Recommended every 5,000-10,000 km, depending on plug type and condition.
Engine Oil Type:
SAE 20W-50 or SAE 10W-40 motorcycle-specific oil (check manual for specific viscosity and API rating).
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid (check manual for specific type and replacement interval).
Gearbox Oil Type:
Refer to manual; typically SAE 80W/90 gear oil.
Common Wear Items:
Clutch plates, cam drive belts (if applicable to the specific variant, though many early Ducatis used chains), carburetor diaphragm seals, electrical connections, aging rubber components (hoses, seals).
Desmo Valve Adjustment:
The Desmodromic system, while precise, requires meticulous adjustment. Improper setting can lead to poor performance or engine damage.
Electrical Gremlins:
Older electrical systems can be prone to corrosion and failing connections, requiring careful inspection and maintenance.
Brand Philosophy:
Ducati is renowned for its performance-oriented motorcycles, particularly its L-twin engines and Desmodromic valve actuation, emphasizing engineering excellence and racing heritage.
860 Series Context:
The 860 series, designed by Fabio Taglioni, represented Ducati's push into larger displacement, more touring-oriented motorcycles while retaining its sporting DNA. The GTS variant typically featured a fairing.
Production Period:
The 860 series was produced in the mid-to-late 1970s, with 1976 being a key year for the GT and GTS variants.