🏷️ Basic Information Identification Make: Aprilia Model: SR 50 Year: 2002 Vehicle Type: Scooter 👋 Introduction Market Position Market Segment: High-performance, sporty 50cc scooter Competitive Analysis Key Competitors: Piaggio Zip SP, Gilera Runner 50, Yamaha Aerox 50, MBK Nitro 50 Key Features Vehicle Selling Points: Sporty design, agile handling, performance-oriented engine, modern styling for its era Manual Value Proposition Manual Benefit: Empowers owners and technicians with dealer-level repair and maintenance knowledge, reducing reliance on costly professional services. 📋 Manual Details Coverage Coverage Areas: General Information, Periodic Maintenance, Tune-Up Procedures, Engine, Fuel and Lubrication System, Cooling System, Electrical System, Chassis, Servicing Information, Updates Format Format: PDF Compatibility: All Versions of Windows & Mac Features Zoom Functionality: Yes Requirements Software Requirements: Adobe PDF Reader & WinZip Language Language: English Manual Type Manual Type: Factory Service Repair Manual 📖 Manual Coverage Systems Systems Covered: Engine (including components like carburetor, ignition, exhaust), Fuel System (including fuel tank, fuel pump, fuel lines), Lubrication System (including oil pump, oil passages), Cooling System (if applicable, typically air-cooled for this model), Electrical System (including wiring diagrams, lighting, battery, starter, ignition system), Chassis (including frame, suspension, steering, brakes, wheels, tires), Bodywork and Trim Procedures Procedures Included: Routine maintenance, scheduled service, tune-up procedures, engine overhaul, carburetor adjustment, ignition system testing, brake system servicing, suspension adjustments, electrical troubleshooting, component replacement, fluid changes, torque specifications, diagnostic procedures Depth Technical Depth: Comprehensive, covering from basic maintenance to detailed repair and troubleshooting, as used by official dealers 📊 Manual Specifications File Attributes File Format Quality: High-resolution PDF for clear viewing and printing, searchable text for easy navigation Delivery Delivery Method: Digital Download Print Quality Print Quality: Printable (user-printable) Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, single-cylinder Engine Displacement: 49 cc Cooling System: Liquid-cooled (typically for the 'Factory' model) Performance Bore X Stroke: 39.0 mm x 41.8 mm (typical for Piaggio/Minarelli based engines of this era) Fuel System Fuel Delivery: Carburetor (e.g., Dell'Orto PHVA 12) Lubrication Lubrication Type: Premix or separate oil injection system Ignition Ignition System: Electronic ignition (CDI) Power Output Horsepower: Approx. 5-6.5 HP (depending on specific tuning and regulations) 🔧 Transmission Primary Transmission Transmission Type: Automatic CVT (Continuously Variable Transmission) Clutch Type: Centrifugal clutch Drive System: V-belt drive to rear wheel Fluid Type Transmission Fluid: Specific scooter gear oil (e.g., SAE 80W-90, check manual for exact spec) 📐 Dimensions Exterior Length: Approx. 1750 mm (typical for this model) Width: Approx. 720 mm (typical for this model) Height: Approx. 1150 mm (typical for this model) Weights Dry Weight: Approx. 95-105 kg Gross Vehicle Weight Rating: Approx. 250 kg (typical) Wheels Tires Front Tire Size: 120/70-13 (typical) Rear Tire Size: 130/60-13 (typical) Wheel Bolt Pattern: N/A (Scooter wheels are typically hub-mounted) 🛡️ Safety Features Active Features Braking System Front: Disc brake (often hydraulic) Braking System Rear: Disc brake (often hydraulic) or Drum brake (depending on specific trim) Passive Features Lighting System: Headlight, taillight, brake lights, turn signals 💡 Technology Features Infotainment Instrument Cluster: Analog speedometer, odometer, fuel gauge, coolant temperature warning light (for liquid-cooled), indicator lights. Driver Assistance ABS: Not typically available on the 2002 SR 50 model. Connectivity Charging Ports: Not typically available on this model. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 km or 1 year (typical, check manual for exact) Spark Plug Replacement: Every 5,000-6,000 km (typical, refer to manual for specific type and gap) Air Filter Cleaning Replacement: Every 2,000 km or as needed based on riding conditions (check manual) Gear Oil Change: Every 5,000-10,000 km or 2 years (check manual for exact interval and type) Fluid Specifications Coolant Type: Ethylene glycol-based antifreeze/coolant mixture (50/50 ratio) for liquid-cooled models (check manual for specific type and capacity) 2-Stroke Oil Type: High-quality 2-stroke scooter oil, JASO FD or API TC certified (check manual) Known Issues Common Wear Items: Drive belt, rollers (CVT), brake pads, tires, spark plug, carburetor jets (clogging) Common Issues Carburetor Problems: Clogging due to old fuel, incorrect jetting leading to poor performance or starting issues. Cooling System Issues: Leaks from hoses, faulty water pump, or radiator blockages (for liquid-cooled models). Electrical Issues: Corroded connections, failing starter solenoid, or stator/regulator issues. Torque Settings Engine Mounting Bolts: Refer to manual for specific torque values (critical for engine integrity) Wheel Nuts: Refer to manual for specific torque values (typically low for scooters, e.g., 20-30 Nm) 📚 Vehicle History Brand Heritage Manufacturer: Aprilia Country Of Origin: Italy Model Evolution Sr Series Introduction: The SR series is Aprilia's long-standing line of sporty scooters, known for performance and handling. 2002 Model Characteristics: The 2002 Factory model typically represented a higher-spec version, often featuring liquid cooling, performance exhaust, and improved suspension compared to standard models. Production Engine Supplier: Likely a Piaggio or Minarelli engine (common for Aprilia scooters of...