Ducati 860 GTS 1976-1979 Service Repair Manual

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Tipo: Motorcycle

Proveedor:

SKU: 91300

Etiquetas: 1976 1977 1978 1979 860 860 GTS Case Construction Ducati Featured Motorcycle Trenchers

Variantes de producto

Descripción

This manual provides comprehensive service and repair information for the 860 GTS, produced between 1976 and 1979. As a first-generation model, the 860 GTS represents a significant part of heritage, known for its air-cooled, 90-degree V-twin engine featuring desmodromic valve actuation and distinctive styling by Paolo Martin. This motorcycle, with its robust engineering and Italian craftsmanship, offers a unique riding experience, emphasizing torque and character. Its 797 cc displacement and 5-speed gearbox, coupled with a dry multi-plate clutch, are key components for understanding its performance and maintenance requirements. This factory service repair manual is designed to assist owners and technicians in maintaining and repairing the 860 GTS. It covers a wide array of topics, including detailed engine disassembly and assembly, fuel system maintenance and tuning, clutch and transmission servicing, brake system overhauls, suspension and steering adjustments, and the complete electrical system. The manual offers step-by-step procedures, troubleshooting guides, and technical specifications, supported by hundreds of photos and illustrations to ensure clarity and accuracy. Its comprehensive nature makes it an invaluable resource for everything from routine maintenance, such as oil changes and chain adjustments, to complex engine rebuilds and electrical diagnostics.

🏷️ Basic Information

Identification

Make:

Ducati

Model:

860 GTS

Model Generation:

First Generation

Production Years Covered:

1976, 1977, 1978, 1979

Codes

Chassis Code Prefix:

👋 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:

📖 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 may indicate balancing issues or worn engine mounts.

📚 Vehicle History

Brand Heritage

Heritage:

Ducati is renowned for its V-twin engines, racing heritage, and unique Italian engineering.

Model Evolution

860 Series Context:

The 860 series, including the GTS, was a significant model for Ducati, evolving from the earlier 750 GT and featuring modern styling by Fabio Taglioni and Paolo Martin.

Production

Manufacturing Origin:

Bologna, Italy

🏆 Awards & Recognition

Recognitions

Design Acclaim:

The 860 GTS is often noted for its distinctive styling by Paolo Martin, a significant aspect of its appeal.