HYOSUNG PRIMA 50 SF50 Service Repair Manual

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The Prima 50, model code SF50, is a popular scooter designed for urban commuting and recreational riding. Known for its agile handling and efficient two-stroke engine, the Prima 50 offers...

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Typ: Motorcycle

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Art.-Nr: 131424

Stichworte: Hyosung Motorcycle Motorcycles Prima PRIMA 50 SF50

Produktvarianten

Beschreibung

The Prima 50, model code SF50, is a popular scooter designed for urban commuting and recreational riding. Known for its agile handling and efficient two-stroke engine, the Prima 50 offers a practical and enjoyable riding experience. Its compact design makes it ideal for navigating city streets, while its straightforward engineering contributes to its reliability and ease of use. This model represents a solid choice for riders seeking an accessible and economical mode of transportation. This comprehensive service repair manual provides detailed information for the Prima 50 SF50. It covers all essential aspects of maintenance, repair, and troubleshooting, including engine mechanicals, transmission, chassis, suspension, steering, and electrical systems. With step-by-step instructions, extensive technical specifications, and clear diagrams, this manual is an invaluable resource for owners and professional technicians alike, enabling them to maintain and repair the vehicle effectively and efficiently.

🏷️ Basic Information

Identification

Make:

Hyosung

Model:

Prima 50

Model Code:

Vehicle Type:

Scooter

Generation

Generation Identifier:

SF50 Prima 50

👋 Introduction

Market Position

Target Audience:

Hyosung Prima 50 SF50 owners and independent repair shops

Competitive Analysis

Value Proposition:

Provides professional-level repair information, saving money on labor costs and enabling proper vehicle maintenance.

Key Features

Visual Aids:

Highly detailed exploded pictures and diagrams

Instruction Style:

Easy to follow, step-by-step instructions

Accessibility:

Instant download upon payment

📋 Manual Details

Coverage Areas

Covered Models:

Hyosung Prima 50 SF50

Page Count

Estimated Page Count:

Extensive (Similar to factory shop manual)

Manual Type

Type:

Complete Service Repair Manual

Language

Language:

English

Format

Format:

File Requirements:

Adobe PDF Reader, WinZip

Downloadability:

Downloadable

Compatibility:

All Versions of Windows & Mac

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine Removal and Installation, Engine Fuel System, Engine Lubrication and Cooling, Engine Combustion System, Crankcase/Piston/Cylinder, Crankshaft/Transmission/Balancer, Cylinder Head/Valves

Transmission Drivetrain:

Gearbox & Clutch, Transmission System

Chassis Suspension Steering:

Front Wheel and Steering System, Rear Wheel System, Suspension, Chassis

Electrical Ignition:

Alternator/Starter Clutch, Battery/Charging System, Ignition System, Electric Starter, Lights/Meters/Switches, Electrical System, Wiring Diagrams

Fuel System:

Engine Fuel System, Fuel Injection System (if applicable)

Cooling System:

Engine Lubrication and Cooling, Cooling system

Bodywork Exhaust:

Fenders and Exhaust Pipe, Body & Fixtures, Frame/Body Panels/Exhaust System

Wheels Tires:

Wheels & Tyres

Braking System:

Braking System

Procedures Included

Maintenance:

Periodic checks & Adjustments, General maintenance

Repair:

All repair procedures covered, from simple to complex

Troubleshooting:

Troubleshooting guides

Diagnostics:

Implied through troubleshooting and detailed system coverage

Technical Depth

Depth:

Comprehensive: Covers entire vehicle, step-by-step instructions, exploded pictures and diagrams

Expertise Level:

Suitable for DIY enthusiasts and professional mechanics

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely searchable due to PDF format

Print Quality

Printability:

All pages are printable

Binding Type

Binding:

Not applicable (Digital Download)

Paper Type

Paper:

Not applicable (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Two-stroke, single-cylinder (Typical for 50cc scooters of this era)

Displacement:

Approximately 49cc (Standard for 50cc class)

Cooling Method:

Air-cooled (Common for this engine size and type)

Performance

Horsepower:

Estimated 4-6 HP (Typical range for 50cc two-strokes)

Torque:

Not specified, but typically low for 50cc engines

Fuel System

Fuel Delivery:

Carburetor or Fuel Injection (The manual lists 'Engine Fuel System' and 'Fuel injection system', suggesting it could cover either or specific variants).

Fuel Type:

Unleaded gasoline (Standard)

Lubrication System

Oil Type:

2-stroke engine oil (Specific type and grade would be detailed in the manual).

🔧 Transmission

Standard

Type:

Automatic Continuously Variable Transmission (CVT)

Drive Type:

Belt drive (Typical for CVT scooters)

Features

Gear Ratios:

Variable, managed by the CVT system

📐 Dimensions

Exterior

Length:

Not specified, but typically around 1700-1800 mm for 50cc scooters.

Width:

Not specified, but typically around 650-700 mm.

Height:

Not specified, but typically around 1050-1100 mm.

Weights

Dry Weight:

Estimated 80-90 kg (Typical for 50cc scooters).

Curb Weight:

Not specified, but slightly higher than dry weight due to fluids.

🛡️ Safety Features

Ratings

Crash Test Results:

Not applicable for this type of manual's focus.

Active Features

Braking System Type:

Disc front, Drum rear (Common configuration for 50cc scooters).

Lighting:

Headlights, taillights, turn signals, brake lights (as detailed in manual's Electrical System section).

Passive Features

Frame Type:

Steel tube frame (Typical construction).

💡 Technology Features

Infotainment

Dashboard:

Analog or digital speedometer, odometer, fuel gauge, indicator lights (as detailed in Lights/Meters/Switches section).

Driver Assistance

ABS Availability:

Unlikely on this model, but the manual would confirm.

Connectivity

Bluetooth Usb:

Not applicable for this class of scooter.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Detailed in the manual (typically every few thousand kilometers for 4-stroke, or as per manufacturer recommendation for 2-stroke oil mixing).

Spark Plug Replacement:

Detailed in the manual (e.g., every 5,000-10,000 km).

Air Filter Cleaning Replacement:

Detailed in the manual (e.g., every 2,000-5,000 km).

Transmission Fluid Change:

Detailed in the manual (if applicable, for scooter transmissions).

Fluid Specifications

Engine Oil Type:

Specific 2-stroke oil grade (e.g., API TC, JASO FD) would be listed in the manual.

Coolant Type:

Not applicable if air-cooled.

Brake Fluid Type:

DOT 3 or DOT 4 (Common for motorcycles, specification in manual is definitive).

Known Issues

Common Wear Items:

CVT belt wear, spark plug fouling (common for 2-strokes), battery health, tire wear, brake pad/shoe wear.

Diagnostic Challenges:

Carburetor tuning and adjustment, ignition system troubleshooting (coil, CDI).

📚 Vehicle History

Brand Heritage

Manufacturer:

Hyosung (Manufacturer is S&T Motors, operating as Hyosung Motors & Machinery Inc.)

Model Evolution

Model Line:

The Prima 50 (SF50) is a popular entry-level scooter model, likely part of Hyosung's range of smaller displacement vehicles.

Production

Production Years:

Specific production years are not provided, but models like this were common in the 2000s and early 2010s. The manual would cover specific model years within its scope.

🏆 Awards & Recognition

Recognitions

Awards:

No specific awards listed for this manual or model. Focus is on utility.