🏷️ Basic Information

Make:

Cagiva

Model:

Prima 50

Year:

1992

Vehicle Platform Code:

Not specified in product information

Vin Code Prefix:

Not specified in product information

👋 Introduction

Vehicle Segment:

50cc Moped/Scooter

Target Audience:

Young riders, commuters, urban mobility users.

Competitors Era:

Piaggio Zip 50, Aprilia SR 50, Gilera Runner 50, Yamaha Jog 50, Honda Dio 50.

Vehicle Characteristics:

Lightweight, agile, economical, simple to operate and maintain, characteristic Italian styling.

Value For Buyers:

Essential resource for maintaining peak performance, diagnosing issues, and performing repairs, saving on dealership service costs.

📋 Manual Details

Manual Type:

Factory Service Repair Manual

Language:

English (Assumed based on product description phrasing)

Format:

Digital (Likely PDF, as is common for scanned manuals, though not explicitly stated)

Page Count:

Not specified in product information

Estimated Page Count:

Likely 100-300 pages for a single model year 50cc scooter service manual

📖 Manual Coverage

Engine:

Complete disassembly, assembly, inspection, and repair of the 50cc 2-stroke engine, including carburetor, ignition system, cooling, and lubrication.

Transmission:

Automatic CVT (Continuously Variable Transmission) inspection, maintenance, and adjustment of variator and clutch components.

Chassis:

Frame, suspension (front fork and rear shock absorber), steering system, and wheel bearing maintenance and repair.

Brakes:

Front and rear brake system service, including hydraulic lines, master cylinders, calipers, brake pads/shoes, and adjustment procedures.

Electrical:

Wiring diagrams, lighting system, charging system (stator and battery), starter motor, and basic troubleshooting of electrical faults.

Bodywork:

Panel removal, installation, and basic bodywork adjustment procedures.

Maintenance:

Routine maintenance tasks such as oil changes (for gearbox), spark plug replacement, air filter cleaning/replacement, brake adjustments, and chain lubrication (if applicable).

Troubleshooting:

Diagnostic procedures for common problems, symptom-based fault finding, and corrective actions.

Repair:

Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation.

Disassembly:

Detailed procedures for taking apart various vehicle systems and components.

Assembly:

Guidance on correctly reassembling components and systems.

Adjustment:

Procedures for adjusting brakes, clutch, carburetor idle, and other relevant settings.

Depth:

Comprehensive, covering routine maintenance to major component overhauls. Suitable for DIY mechanics and professional technicians.

Diagnostic Level:

Detailed diagnostic trees and fault isolation procedures for engine and electrical systems.

Rebuild Scope:

Covers complete engine rebuild, including piston, rings, cylinder, crankshaft, and bearing replacement.

📊 Manual Specifications

File Format Type:

PDF (Likely, as common for scanned manuals)

Searchability:

Searchable text (if OCR'd correctly) or image-based PDF.

Print Quality Assessment:

Variable, dependent on original source quality. Expect clear diagrams and text for most sections.

Binding Type Digital:

N/A (Digital format)

Binding Type Physical Equivalent:

Spiral-bound or perfect-bound (typical for service manuals)

Paper Type Physical Equivalent:

Durable, often glossy or semi-gloss paper to withstand workshop conditions.

⚙️ Engine Specifications

Engine Type:

2-stroke, single-cylinder

Displacement:

49.3 cc (approx.)

Bore X Stroke:

39.0 mm x 41.4 mm (Typical for this class, confirm with manual)

Cooling System:

Air-cooled

Ignition System:

Electronic (CDI - Capacitive Discharge Ignition)

Carburetor Model:

Likely Dell'Orto PHBN 12 or similar (confirm with manual)

Horsepower:

Approx. 4.5 - 5.5 HP (Varies by market and tuning)

Torque:

Approx. 3.5 - 4.0 Nm (Varies by market and tuning)

Fuel Type:

Unleaded gasoline (90-95 RON)

Fuel Mixture:

2-stroke oil injected (Automatic oil pump) or Pre-mix (check specific model variant)

Fuel Tank Capacity:

Approx. 5-6 Liters (check with manual)

🔧 Transmission

Transmission Type:

Automatic Continuously Variable Transmission (CVT)

Drive Type:

Belt drive to rear wheel

Optional Transmissions:

None for this model year

Variator System:

Centrifugal variator for automatic gear ratio adjustment.

Clutch Type:

Centrifugal automatic clutch

Gear Ratios:

Continuously variable, managed by variator and clutch engagement.

Gearbox Oil Type:

SAE 80W/90 Gear Oil (Confirm with manual for specific API GL rating)

Gearbox Oil Capacity:

Approx. 0.1 - 0.2 Liters (Check dipstick or fill plug level)

📐 Dimensions

Overall Length:

Approx. 1700 mm (Varies slightly)

Overall Width:

Approx. 680 mm

Seat Height:

Approx. 750 mm

Wheelbase:

Approx. 1180 mm

Dry Weight:

Approx. 75 - 80 kg

Gross Vehicle Weight Rating:

Not explicitly stated, but typically around 150-170 kg including rider.

Max Load Capacity:

Not explicitly stated, but designed for a single rider and light cargo.

🛡️ Safety Features

Safety Ratings:

Not applicable in the same way as automobiles; relies on rider awareness and basic vehicle stability.

Braking System:

Front disc brake, Rear drum brake. Offers adequate stopping power for its class.

Lighting:

Headlight, tail light, brake light, turn signals for visibility.

Frame Construction:

Steel tube frame providing structural integrity.

Tires:

Typically 10-inch or 12-inch wheels with tubeless tires providing grip.

💡 Technology Features

Infotainment Features:

None (Basic instrumentation: speedometer, odometer, fuel gauge, indicator lights)

🔧 Maintenance

Oil Change Gearbox:

Every 5,000 - 10,000 km or annually. (Refer to manual for precise interval)

Spark Plug Replacement:

Every 3,000 - 5,000 km or as needed. (NGK BR8HS or equivalent recommended)

Air Filter Cleaning Replacement:

Clean every 1,000 km, replace every 5,000-10,000 km or when damaged.

Belt Variator Check Replacement:

Inspect belt for wear and cracks every 5,000 km. Replace if necessary, typically around 15,000 - 20,000 km.

Brake Pad Shoe Inspection:

Inspect at every 2,000 km or at fuel stops.

Engine Oil Type:

2-stroke synthetic or semi-synthetic oil with a high-quality additive package (JASO FD or higher recommended).

Gearbox Oil Specification:

SAE 80W/90 Gear Oil (API GL-4 or GL-5)

Coolant Type:

N/A (Air-cooled engine)

Brake Fluid Type:

DOT 4 (Check reservoir cap for specific recommendation)

Common Wear Items:

Variator rollers, drive belt, brake pads, spark plug, air filter, crankcase seals.

Typical Faults:

Carburetor jetting issues, ignition coil failure, starter motor wear, exhaust leaks, water ingress into electrical connectors (if stored poorly).

Preventative Maintenance Tips:

Regular cleaning of the air filter, checking the 2-stroke oil level, keeping electrical connections clean and protected.

📚 Vehicle History

Cagiva History:

Cagiva was an Italian motorcycle manufacturer known for its sporty designs and involvement in racing, particularly off-road and Grand Prix. Acquired by Ducati's Castiglioni family, it had a diverse range of motorcycles.

Prima Series Evolution:

The Prima line was Cagiva's entry into the popular 50cc scooter segment, designed to compete with established European and Japanese manufacturers. It offered a blend of performance and practical styling for its era.

Production Years:

The Cagiva Prima 50 was produced through the late 1980s and into the 1990s, with the 1992 model being a representative example of its mid-production iteration.

Manufacturing Location:

Italy

🏆 Awards & Recognition

Model Specific Awards:

No widely documented awards specific to the 1992 Cagiva Prima 50.

Reliability Ratings:

Generally considered reliable for its era if properly maintained, though Italian scooters of this period could be more demanding than Japanese counterparts.

Emissions Certification:

Euro 1 (or equivalent for the era) compliance would be standard for this model year.