🏷️ Basic Information

Make:

Ducati

Model:

350 Scrambler

Model Variant:

Scrambler

Engine Code:

Type 350

👋 Introduction

Market Positioning:

The Ducati 350 Scrambler was positioned as an accessible, versatile motorcycle for everyday use, commuting, and light off-road excursions, appealing to riders seeking European flair and performance in a user-friendly package.

Key Competitors:

Competed against other lightweight European and Japanese motorcycles of the era, including models from BMW (e.g., R25/3), Moto Guzzi, Laverda, and Japanese brands like Honda, Yamaha, and Suzuki in the 250-400cc class.

Distinctive Features:

Single-cylinder engine with desmodromic valve actuation (a Ducati hallmark), distinctive 'Scrambler' styling with high exhaust and off-road oriented tires, lightweight chassis, accessible seat height.

📋 Manual Details

Owner Manual Coverage:

Operation, basic maintenance, controls, safety features, warranty information, instrument panel, riding tips.

Service Repair Manual Coverage:

Engine overhaul, transmission service, electrical system diagnosis, chassis repair, bodywork, suspension, brakes, fuel system, troubleshooting.

Owner Manual Page Count:

Approximately 50-70 pages (estimated based on typical manuals of the era)

Service Repair Manual Page Count:

Approximately 200-300 pages (estimated based on typical service manuals of the era)

Primary Manual Type:

Combined Owner's Manual and Service/Repair Manual

Language:

English (most likely, common for manuals sold internationally)

Format:

Digital (PDF) / Printable

📖 Manual Coverage

Engine System Coverage:

Top-end overhaul (cylinder head, valves, camshaft), bottom-end overhaul (crankshaft, connecting rods, bearings), piston and ring replacement, cooling system, lubrication system.

Transmission System Coverage:

Clutch operation and replacement, gearbox disassembly and reassembly, gear selection mechanisms, lubrication.

Electrical System Coverage:

Wiring diagrams, ignition system troubleshooting, lighting systems, battery and charging system, starter motor, electrical component testing.

Braking System Coverage:

Drum brake adjustment and relining, hydraulic brake system (if applicable to later models), brake fluid replacement.

Suspension Coverage:

Front fork maintenance and seal replacement, rear shock absorber adjustment and replacement, swingarm lubrication and bearing service.

Fuel System Coverage:

Carburetor cleaning, adjustment, and rebuilding (likely Dell'Orto or similar), fuel tank maintenance, fuel line replacement.

Maintenance Procedures:

Oil changes, filter replacements, chain adjustment, spark plug replacement, valve clearance adjustment, brake adjustments, tire pressure checks.

Troubleshooting Procedures:

Diagnosing starting issues, poor running conditions, electrical faults, braking problems, suspension noise.

Repair Procedures:

Complete engine rebuilds, transmission overhauls, suspension component replacements, electrical component repairs, brake system servicing.

Depth Of Coverage:

Comprehensive, from basic owner's information to detailed mechanical and electrical repair procedures. Suitable for both novice and experienced mechanics.

📊 Manual Specifications

File Format Spec:

High-resolution PDF, searchable text for quick information retrieval, printable pages.

Print Quality Spec:

Designed for clear reproduction of text, diagrams, and illustrations. Optimized for digital viewing and printing.

Binding Type Spec:

Digital PDF, no physical binding. If printed, typically spiral-bound or saddle-stitched for lay-flat usability.

Paper Type Spec:

N/A (Digital). If printed, typically a durable, semi-gloss paper suitable for workshop environments.

⚙️ Engine Specifications

Engine Type:

Four-stroke, air-cooled, single-cylinder, Desmodromic valve actuation

Displacement:

340 cc (339.1 cc)

Bore X Stroke:

74 mm x 79 mm

Compression Ratio:

Approximately 9.0:1 (varies by specific model year/tuning)

Horsepower:

Approximately 22-26 hp @ 7,000 rpm (estimated, actual figures vary)

Torque:

Approximately 26-29 Nm @ 5,000 rpm (estimated, actual figures vary)

Carburetor Type:

Single Dell'Orto VHB 27 (or similar specification)

Fuel Tank Capacity:

Approximately 11-13 liters (user-fillable capacity)

Ignition System:

Battery-coil ignition with breaker points (typical for the era)

Lubrication System:

Wet sump

Cooling Method:

Air-cooled

🔧 Transmission

Transmission Type:

5-speed constant mesh gearbox

Optional Transmission:

N/A (Standard 5-speed)

Clutch Type:

Wet, multi-plate clutch

Final Drive:

Chain drive

📐 Dimensions

Overall Length:

Approximately 2100 mm (estimated, varies with handlebars)

Overall Width:

Approximately 800 mm (estimated, varies with handlebars/mirrors)

Seat Height:

Approximately 800 mm (estimated, accessible)

Dry Weight:

Approximately 160-170 kg (estimated)

Curb Weight:

Approximately 175-185 kg (estimated, with fluids)

Front Wheel Size:

19-inch (typical for scrambler style)

Rear Wheel Size:

18-inch (typical for scrambler style)

Front Tire Size:

3.00-19 or 3.25-19 (common for the era)

Rear Tire Size:

4.00-18 or 4.10-18 (common for the era)

🛡️ Safety Features

Safety Ratings:

N/A (Motorcycles of this era typically did not have standardized safety ratings like modern cars).

Active Safety Features:

Effective braking (drum or early disc), stable chassis geometry, good rider visibility.

Passive Safety Features:

Sturdy frame construction, operator control layout, basic lighting.

💡 Technology Features

Infotainment Features:

N/A (Motorcycle of this era, designed for essential function and rider engagement, does not feature infotainment systems.)

Driver Assistance Systems:

N/A (No electronic rider aids or driver assistance systems were available on this model.)

Connectivity Features:

N/A (No electronic connectivity features are present.)

🔧 Maintenance

Oil Change Interval:

Every 3,000 - 5,000 km or 6 months (typical for the era, check manual for precise recommendations).

Valve Clearance Interval:

Every 6,000 - 10,000 km (critical for Desmodromic engines, requires precision).

Chain Lubrication Adjustment:

Every 500 - 1,000 km and after washing/rain.

Engine Oil Type:

API SG or higher, SAE 20W-50 or 10W-40 motorcycle specific oil.

Engine Oil Capacity:

Approximately 1.5 - 1.8 liters (including filter, check manual for exact quantity).

Brake Fluid Type:

DOT 3 or DOT 4 for hydraulic systems (if applicable).

Transmission Oil Type:

API GL-4 or GL-5 SAE 80W-90 gear oil (typically for the gearbox).

Common Wear Items:

Camshaft lobes and followers (Desmo system), valve guides, piston rings, clutch plates, swingarm bushings, electrical wiring insulation degradation.

Carburetor Tuning Challenges:

Dell'Orto carburetors can be sensitive to altitude and require periodic precise adjustment and cleaning. Jetting may need recalibration for aftermarket exhausts or air filters.

Desmodromic System Maintenance:

Requires specialized knowledge for adjustment to ensure proper valve opening and closing without springs. Incorrect adjustment can lead to engine damage.

General Advice:

Regular cleaning, proper lubrication of moving parts, attention to electrical connections, and timely replacement of wear items are crucial for longevity.

📚 Vehicle History

Brand Heritage:

Ducati, an Italian manufacturer renowned for its performance motorcycles and distinctive Desmodromic valve system, has a rich racing history and a legacy of producing stylish, engaging machines.

Model Lineage:

The Scrambler line at Ducati has roots in earlier single-cylinder models and has been reinterpreted in modern times, but the 350 Scrambler represents a specific era of utilitarian and lifestyle-oriented Ducati motorcycles.

Production Years:

Approximately late 1970s to early 1980s (specific years may vary based on market and sub-model).

Manufacturing Location:

Italy

🏆 Awards & Recognition

Awards And Recognitions:

The Ducati 350 Scrambler itself did not receive specific awards in the way modern vehicles do, but Ducati motorcycles in general have been recognized for their engineering, design, and performance throughout their history. The Scrambler variant contributed to Ducati's reputation for stylish, user-friendly, and characterful motorcycles.