🏷️ Basic Information

Make:

Ducati

Model:

Alazzurra GT350 / GT650

Variant:

GT350, GT650

👋 Introduction

Market Segment:

Sportbike / GT (Grand Tourer)

Competitors:

Competed against contemporary European and Japanese sport tourers from brands like BMW, Honda, Kawasaki, and Yamaha, emphasizing performance with a touring capability.

Design Philosophy:

Combined Ducati's characteristic V-twin performance and handling with a more comfortable riding position and fairing for longer distances compared to pure sportbikes of the era.

📋 Manual Details

Primary Coverage:

Complete service, repair, and maintenance

Estimated Page Count:

Varies by specific edition, but comprehensive manuals of this era often exceed 500 pages.

Manual Type:

Workshop Manual / Service Manual / Repair Manual

Language:

Likely English (based on typical Ducati documentation for international markets)

Format:

Photocopy

📖 Manual Coverage

Engine:

Engine disassembly, assembly, tuning, troubleshooting, cooling system, lubrication system

Fuel System:

Carburetor systems (likely Dell'Orto PHM or similar), fuel lines, fuel tank, fuel pump

Transmission:

Gearbox disassembly, assembly, maintenance, clutch operation and adjustment

Chassis:

Frame inspection, swingarm, steering head bearings, rear suspension (shock absorber, linkage), front suspension (forks, steering components)

Brakes:

Front and rear brake systems (discs, calipers, master cylinders, brake lines, fluid replacement)

Electrical System:

Wiring diagrams, ignition system, lighting, charging system (alternator, regulator), starter motor, battery

Bodywork:

Fairing removal and installation, seat, fuel tank, fenders, graphics

Routine Maintenance:

Oil changes, filter replacement, chain adjustment, spark plug replacement, valve clearance checks and adjustment

Troubleshooting:

Diagnostic procedures for common engine, electrical, and mechanical faults

Repair Procedures:

Step-by-step instructions for component disassembly, repair, and reassembly

Technical Specifications:

Torque values, clearances, fluid capacities, engine timings, electrical resistance values

Depth Of Coverage:

Comprehensive, covering basic maintenance to full engine rebuilds and electrical system diagnostics.

📊 Manual Specifications

Print Quality:

Readable photocopy quality, may exhibit signs of age and wear.

Binding Type:

Likely stapled or bound from original photocopy.

Paper Type:

Standard photocopy paper.

⚙️ Engine Specifications

Engine Type:

Air-cooled, four-stroke, 90-degree V-twin (L-twin) Desmodromic 2-valve per cylinder

Displacement Gt350:

Approximately 350cc (specific variants may differ slightly)

Displacement Gt650:

Approximately 650cc (specific variants may differ slightly)

Horsepower Gt350:

Estimated 25-30 HP (specific figures vary by tuning and exact model year)

Horsepower Gt650:

Estimated 45-50 HP (specific figures vary by tuning and exact model year)

Torque Gt650:

Estimated 50-55 Nm (specific figures vary)

Carburetion:

Dual Dell'Orto PHM 36 (or similar size) carburetors

Ignition System:

Electronic ignition

🔧 Transmission

Transmission Type:

5-speed manual transmission

Clutch Type:

Wet multi-plate clutch

Gear Ratios:

Specific gear ratios will be detailed within the manual, crucial for performance tuning.

📐 Dimensions

Wheelbase:

Approx. 1400-1450 mm (will vary slightly by year and model)

Dry Weight:

Approx. 170-185 kg (will vary by model and equipment)

Fuel Tank Capacity:

Approx. 18-20 Liters

🛡️ Safety Features

Braking System:

Dual front disc brakes, single rear disc brake. Brembo calipers common.

Frame Construction:

Steel trellis frame (Ducati's signature)

💡 Technology Features

Infotainment System:

Basic analog instrumentation (speedometer, tachometer, fuel gauge, warning lights). No modern infotainment.

Driver Assistance Features:

None. This era focused on rider control and mechanical feedback.

Connectivity Features:

None.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000 km or annually, whichever comes first. Refer to manual for exact specification.

Valve Clearance Interval:

Critical Desmodromic valve check and adjustment every 10,000-15,000 km. Highly detailed procedure in the manual.

Engine Oil Type Gt350:

SAE 20W-50 motorcycle specific oil. API SG or higher. Capacity approx. 2.5-3.0 liters.

Engine Oil Type Gt650:

SAE 20W-50 motorcycle specific oil. API SG or higher. Capacity approx. 3.0-3.5 liters.

Brake Fluid Type:

DOT 4 or DOT 5.1 (check manual for specific recommendation for the era).

Coolant Type:

Air-cooled engine, no coolant specified.

Desmo Adjustment:

Incorrect desmodromic valve adjustment can lead to poor running or engine damage. Precision required.

Carburetor Tuning:

Requires careful synchronization and jetting for optimal performance and idle.

Electrical Gremlins:

Older wiring harnesses can degrade, leading to intermittent electrical faults. Manual's wiring diagrams are essential.

Clutch Wear:

Clutch plates can wear over time, affecting engagement and potentially slipping. Refer to manual for wear limits.

📚 Vehicle History

Brand Origin:

Italian manufacturer founded in 1926, renowned for its V-twin engines, Desmodromic valve actuation, and racing heritage.

Alazzurra Development:

The Alazzurra was part of Ducati's strategy to broaden its appeal with models that offered a balance of sport and touring. It evolved from earlier Ducati models, incorporating updated chassis and engine designs for its era.

Production Years:

Produced primarily in the 1980s (e.g., GT350 from approx. 1987, GT650 from approx. 1987-1988).

🏆 Awards & Recognition

Performance Reputation:

While not winning specific major awards as a distinct model, Ducati's Alazzurra line benefited from the brand's overall reputation for performance, handling, and distinctive V-twin character.