Target Audience:
Owners and independent repair shops seeking to maintain and repair the Hyosung Prima scooter
Value Proposition:
Provides in-depth, accurate technical information to ensure proper maintenance and repair, reducing reliance on expensive dealership services.
Competitor Manuals:
Comparable to factory service manuals in detail, often more accessible and affordable than official dealer-issued documentation.
Detail Level:
Detailed procedural steps, exploded views, and diagnostic flowcharts set this manual apart.
Manual Usability:
Organized logically with clear headings and step-by-step instructions for ease of use by mechanics of varying skill levels.
Manual Type:
Service and Repair Manual
Format:
Digital (likely PDF, though not explicitly stated, common for this type of product)
Applicable Years:
Manual covers a range of model years, specific years should be confirmed against the manual's exact title or content description. Assumed to cover early 2000s models primarily.
Applicable Engine Variants:
Likely covers 50cc and potentially 100cc variants of the Prima model.
Engine:
Complete overhaul, component replacement, tuning, diagnostics
Fuel System:
Carburetor adjustment, fuel pump, fuel lines, fuel tank maintenance
Ignition System:
Spark plug, ignition coil, CDI unit, timing adjustments
Electrical System:
Wiring diagrams, battery, charging system, lighting, starter motor, horn
Transmission:
Automatic CVT (Continuously Variable Transmission) maintenance, belt inspection/replacement, clutch system
Brakes:
Front and rear brake systems, hydraulic lines, master cylinder, caliper service, pad replacement, bleeding procedure
Suspension:
Front fork service and replacement, rear shock absorber inspection and replacement
Steering:
Handlebar assembly, steering stem bearings, lubrication
Cooling System:
Air-cooled engine (no liquid cooling system specific to this model)
Exhaust System:
Muffler, exhaust pipe inspection and replacement
Bodywork And Trim:
Panel removal and installation, seat, fairings, plastic components
Maintenance:
Regular service checks, oil changes, filter replacements, chain/belt adjustment, general lubrication
Troubleshooting:
Diagnostic procedures for common problems, symptom-based fault finding
Repair:
Step-by-step repair instructions for all major components
Disassembly And Assembly:
Detailed instructions for taking apart and reassembling major vehicle systems
Diagnostic Tests:
Specific tests for electrical components, engine performance, and fuel delivery
Depth Level:
Comprehensive, suitable for professional technicians and advanced DIY mechanics
Diagnostic Capability:
Includes detailed diagnostic flowcharts and specifications for accurate fault identification
Specifications:
Provides torque values, clearances, fluid capacities, and electrical resistance readings
Rebuild Procedures:
Includes detailed procedures for complete engine and transmission rebuilds.
File Type:
Likely PDF (searchable text, indexed pages, printable)
Searchability:
Likely a searchable PDF document, allowing quick access to specific topics.
Image Resolution:
High-resolution diagrams and photographs suitable for clear interpretation
Diagrams Quality:
Clear, detailed diagrams and exploded views are a hallmark of good service manuals.
Binding Style:
N/A (Digital Product)
Paper Quality:
N/A (Digital Product)
Engine Type:
Four-stroke, air-cooled single-cylinder
Displacement:
Typically 50cc or 100cc (model specific, manual should cover the exact variant)
Bore X Stroke:
Refer to manual for exact dimensions (e.g., 39mm x 41.4mm for 50cc variant)
Compression Ratio:
Refer to manual for specific ratio
Valve Train:
SOHC (Single Overhead Camshaft) or OHV (Overhead Valve) depending on exact engine configuration. Manual will specify.
Horsepower:
Refer to manual for exact output (typically 3-5 HP for 50cc variants)
Torque:
Refer to manual for exact figures
Fuel Delivery:
Carburetor (specific model dependent, e.g., Mikuni or Keihin style)
Fuel Type:
Unleaded gasoline
Engine Oil Type:
SAE 10W-40 API SE or higher (typical for this class of scooter)
Engine Oil Capacity:
Refer to manual for exact capacity (e.g., 0.8 L)
Gear Oil Type:
Refer to manual for specific gear oil requirements
Transmission Type:
Automatic CVT (Continuously Variable Transmission)
Drive Type:
Belt drive to rear wheel
Clutch Type:
Automatic centrifugal clutch
Gear Ratios:
Variable (CVT function), with specific ratios for drive/driven pulleys detailed in manual
Final Drive:
Gear reduction via transmission casing, then belt drive to rear wheel.
Length:
Refer to manual for specific dimensions
Width:
Refer to manual for specific dimensions
Height:
Refer to manual for specific dimensions
Wheelbase:
Refer to manual for specific wheelbase measurement
Ground Clearance:
Refer to manual for specific ground clearance
Dry Weight:
Refer to manual for specific weight (e.g., ~70-80 kg for 50cc)
Gross Vehicle Weight Rating:
Refer to manual for GVWR
Payload Capacity:
Refer to manual for payload capacity
Brakes:
Front: Disc brake; Rear: Drum brake (typical configurations)
Lighting:
Headlight, taillight, brake lights, turn signals
Parking Brake:
Some models may feature a parking brake mechanism. Manual will detail operation and maintenance.
Chassis Design:
Underbone frame construction for rider stability
Instrument Cluster:
Analog speedometer, odometer, fuel gauge, indicator lights (turn signals, high beam)
ABS:
Not typically equipped with Anti-lock Braking System (ABS)
Usb Port:
Not typically equipped with USB port or advanced connectivity
Engine Oil Change:
Every 2,000-3,000 km or 6 months, whichever comes first (refer to manual for exact interval)
Air Filter Cleaning/Replacement:
Every 1,000-2,000 km (refer to manual)
Spark Plug Replacement:
Every 4,000-6,000 km (refer to manual for specific plug type)
Cvt Belt Inspection/Replacement:
Inspect every 5,000 km, replace as needed based on wear (refer to manual)
Brake Fluid Change:
Every 2 years or as per manual recommendations
Throttle Cable Adjustment:
Inspect and adjust free play every 2,000 km or as needed.
Brake Cable Adjustment:
Inspect and adjust free play for drum brakes as needed.
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual)
Common Wear Items:
CVT belt, brake pads, tires, suspension components, electrical connections
Potential Problems:
Carburetor gumming from infrequent use, electrical connector corrosion, CV transmission wear.
Carburetor Tuning:
Requires periodic adjustment for optimal performance and fuel efficiency, detailed in manual.
Manufacturer:
Hyosung Motors & Machinery Inc. (South Korea)
Introduction Period:
The Prima was a popular model in the late 1990s and early 2000s, particularly in Asian and European markets.
Variant History:
Often produced in 50cc and 100cc engine displacements to cater to different licensing requirements and performance expectations.
Production Locations:
Primarily manufactured in South Korea.