Ducati 860 Gts 1974-1978 All Service Manual Repair

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Taper: Motorcycle

Distributeur:

UGS: 91536

Mots clés: 1974 1975 1976 1977 1978 860 860 Gts Case Construction Ducati Featured Motorcycle Trenchers

Variantes de produits

Description

This manual covers the 860 GTS, a classic Italian motorcycle produced between 1974 and 1978. Known for its distinctive styling and the renowned L-twin engine featuring desmodromic valve actuation, the 860 GTS represents a significant piece of heritage. This model, developed under Project 300, offers a unique riding experience characteristic of performance-oriented motorcycles from that era. It is designed for enthusiasts who appreciate the engineering and legacy of vintage Italian machines. This comprehensive Service and Repair Manual in English provides detailed guidance for the maintenance, troubleshooting, and repair of the 860 GTS. It covers all essential systems, including the engine, transmission, brakes, electrical components, chassis, and suspension. The manual offers step-by-step procedures for tasks ranging from routine servicing and fluid changes to complete engine overhauls and component-specific repairs. Its depth of information is suitable for both amateur owners and professional technicians, enabling them to keep their 860 GTS in optimal condition and ensure its longevity.

🏷️ Basic Information

Identification

Make:

Ducati

Model:

860 GTS

Production Years Covered:

1974-1978

Codes

Internal Project Codes:

Project 300 (may vary based on specific model year and sub-variant)

👋 Introduction

Market Position

Target Audience:

Enthusiasts and owners of the Ducati 860 GTS who wish to perform their own maintenance and repairs.

Competitive Analysis

Value Proposition:

Provides essential, in-depth technical information for DIY servicing, saving time and money compared to professional mechanic costs.

Key Features

Convenience:

Instant download access allows for immediate use on any compatible device.

Accessibility:

Solves the challenge of finding specialized manuals for classic motorcycles.

Empowerment:

Enables owners to gain a deep understanding of their motorcycle's mechanics for better care and emergency preparedness.

📋 Manual Details

Coverage Areas

Primary Coverage:

Comprehensive service, repair, and maintenance

Specific Systems:

Engine, transmission, brakes, electrical, chassis, suspension, fuel system, cooling, lubrication, steering, bodywork, and troubleshooting.

Page Count

Estimated Page Count:

Refer to product for exact page count, typically 200-400 pages for such comprehensive manuals.

Manual Type

Type:

Service and Repair Manual

Language

Language:

English

Format

Format:

Downloadable PDF

📖 Manual Coverage

Systems Covered

Engine Service:

Detailed procedures for engine disassembly, reassembly, inspection, tuning, and overhaul for the L-twin engine.

Transmission Service:

Service and repair procedures for the gearbox, clutch, and final drive.

Brake System:

Maintenance, adjustment, and repair of front and rear braking systems, including caliper and master cylinder service.

Electrical System:

Comprehensive wiring diagrams, troubleshooting for ignition, lighting, charging, and starting systems.

Suspension:

Service and adjustment for front forks (e.g., Marzocchi) and rear shock absorbers (e.g., Koni).

Fuel System:

Carburetor tuning and maintenance (likely Dell'Orto PHF or similar), fuel tank, and fuel lines.

Cooling System:

Air cooling system description and maintenance, including fin cleaning and inspection.

Steering:

Service for steering head bearings and linkages.

Chassis Bodywork:

Frame inspection, body panel removal and installation, and general chassis maintenance.

Procedures Included

General Maintenance:

Oil changes, filter replacement, chain adjustment, lubrication points, and general inspection routines.

Troubleshooting:

Systematic diagnostic procedures for common and uncommon problems across all vehicle systems.

Engine Repair:

Detailed steps for piston replacement, valve adjustments, camshaft timing, and crankshaft service.

Transmission Repair:

Gearbox disassembly, component inspection, and reassembly.

Periodic Lubrication:

Specific lubrication schedules and recommended lubricant types for various components.

Technical Depth

Depth:

Comprehensive, from basic rider maintenance to complete engine and transmission rebuilds. Suitable for both amateur and professional mechanics.

📊 Manual Specifications

File Format

File Format:

Compatibility:

Compatible with all Windows and Mac operating systems.

Required Software:

Adobe PDF Reader and WinZip (for potential extraction if zipped).

Print Quality

Printability:

Designed for digital use, but printable on standard office equipment.

Binding Type

Binding Type:

Not Applicable (Digital Download)

Paper Type

Paper Type:

Not Applicable (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Air-cooled, 90-degree V-twin (L-twin)

Displacement:

Approximately 860 cc (specific bore and stroke may vary by year/variant)

Valvetrain:

Desmodromic, 2 valves per cylinder (pushrod actuated)

Performance

Horsepower Peak:

Around 60-65 HP (estimated, depending on specific tune and exhaust)

Torque Peak:

Torque figures not explicitly stated but characteristic of larger displacement V-twins of the era.

Fuel System

Carburetors:

Likely dual Dell'Orto PHF 36 (or similar) dual-throat carburetors.

Fuel Delivery:

Gravity feed with electric fuel pump (may vary by specific model sub-variant).

🔧 Transmission

Standard

Type:

5-speed constant mesh gearbox

Clutch:

Wet, multi-plate

Final Drive:

Shaft drive

Features

Gear Ratios:

Specific gear ratios will be detailed within the manual for each gear.

📐 Dimensions

Exterior

Wheelbase:

Typically around 1430-1450 mm (56.3-57.1 inches)

Weights

Dry Weight:

Around 190-200 kg (419-441 lbs)

Fuel Tank Capacity:

Approximately 15-18 liters (3.9-4.8 US gallons)

🛡️ Safety Features

Ratings

Crash Test Results:

Not applicable for motorcycles of this era in the same way as modern automobiles.

Active Features

Braking System:

Front and rear drum brakes or optional front disc brake (depending on variant and market).

💡 Technology Features

Infotainment

Infotainment Systems:

Not applicable; this is a classic motorcycle from the pre-infotainment era. Focus is on mechanical and electrical systems.

Driver Assistance

Driver Assistance Features:

Not applicable for motorcycles of this period.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 3,000-5,000 km (1,800-3,000 miles) or annually, whichever comes first. Specific interval in manual.

Valve Adjustment Interval:

Crucial for desmodromic engines; often recommended every 5,000-7,500 km (3,000-4,500 miles). Specific interval in manual.

Fluid Specifications

Engine Oil Type:

SAE 20W-50 or SAE 10W-40 motorcycle-specific oil, typically with JASO MA certification. Refer to manual for exact specification.

Clutch Fluid Type:

Hydraulic fluid (DOT 3 or DOT 4) for the clutch actuation if equipped, or specific oil for wet clutch. Consult manual.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid, depending on the original specification. Refer to manual for specific type and change intervals.

Known Issues

Common Problems:

Wear on desmodromic valve gear components, potential for electrical gremlins (typical of the era), carburetor tuning sensitivity, and occasional clutch wear.

Desmo Maintenance:

The desmodromic system requires precise adjustment and specialized knowledge, which this manual will provide.

📚 Vehicle History

Brand Heritage

Manufacturer:

Ducati is an Italian manufacturer renowned for its high-performance motorcycles, particularly those with V-twin engines and desmodromic valve actuation.

Model Evolution

Predecessors:

Evolved from earlier Ducati models, incorporating design cues and technical advancements of the period. The 860 GTS represented a significant step in Ducati's air-cooled V-twin lineage.

Design Influence:

Styled by Fabio Taglioni, the 860 GTS featured a distinctive and somewhat controversial ('square' styling) bodywork compared to its predecessors.

Production

Production Period:

1974-1978

🏆 Awards & Recognition

Recognitions

Industry Recognition:

The Ducati 860 GTS is recognized within the classic motorcycle community for its V-twin heritage and unique styling.