🏷️ Basic Information Identification Make: Aprilia Model: SR50 Factory Year: 2002 Product Type: Factory Service Repair Manual Codes Chassis Code Common: APSR50FN 👋 Introduction Market Position Positioning: The Aprilia SR50 Factory was a high-performance, premium sport scooter in its segment, known for its agile handling and sporty aesthetics, targeting enthusiasts seeking a dynamic urban mobility solution. Competitive Analysis Competitors: Competed with other performance-oriented 50cc scooters from brands like Yamaha (BW's, Aerox), Piaggio (Zip SP, NRG), and Malaguti (Phantom). Key Features Features: Sport-tuned suspension, aggressive styling, liquid-cooled engine, often featuring a more advanced engine setup compared to standard SR50 models. The 'Factory' designation implies a higher specification. 📋 Manual Details Coverage Areas Coverage: Complete factory service and repair information for the 2002 Aprilia SR50 Factory scooter. Page Count Pages: Hundreds (exact count not specified, but described as 'complete' and 'hundreds of pages') Manual Type Type: Factory Service Repair Manual Language Language: English (implied by product description) Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed disassembly, inspection, repair, and reassembly procedures for the Aprilia SR50's engine, including top-end (cylinder, piston, rings), bottom-end (crankshaft, connecting rod), and related components. Fuel System: Carburetor (Dell'Orto PHVA) adjustment, cleaning, and overhaul; fuel pump; fuel lines; fuel tank maintenance. Ignition System: CDI ignition system, spark plug specifications, troubleshooting, and component testing. Cooling System: Liquid cooling system; radiator, coolant pump, thermostat, and fan operation and maintenance. Transmission: Automatic CVT (Continuously Variable Transmission) system; variator, clutch, torque driver, and drive belt inspection, service, and replacement procedures. Brakes: Front and rear hydraulic disc brake systems; brake caliper service, brake pad replacement, brake fluid bleeding, master cylinder inspection. Suspension: Front telescopic fork service (oil change, seal replacement), rear shock absorber inspection and replacement. Electrical System: Wiring diagrams, battery maintenance, starter motor, lighting system (headlight, taillight, indicators), horn, instrument panel. Frame And Bodywork: Chassis inspection, body panel removal and installation, seat, fairings, and storage compartment. Wheels And Tires: Wheel bearing inspection, tire pressure specifications, tire replacement, wheel removal and installation. Procedures Included Maintenance: Routine scheduled maintenance tasks, lubrication points, filter replacement (air filter, oil filter if applicable), spark plug replacement. Troubleshooting: Diagnostic procedures for common starting issues, running problems, electrical faults, and braking system issues with fault code explanations and solutions. Repair: Step-by-step repair instructions for all major mechanical and electrical components, including engine rebuilds, transmission overhauls, and brake system repairs. Disassembly Reassembly: Detailed guides for component removal and installation, ensuring correct procedures and torque specifications are followed. Specifications: Comprehensive technical specifications, including torque values, clearances, fluid capacities, and electrical system data. Technical Depth Depth: Comprehensive from basic maintenance to complete engine and transmission rebuilds, suitable for professional mechanics and advanced DIY enthusiasts. 📊 Manual Specifications File Format Format: PDF (Portable Document Format), allowing for digital viewing and printing. Print Quality Printability: High-resolution PDF designed for clear printing of individual pages or the entire manual. Binding Type Binding: N/A (Digital Download - PDF) Paper Type Paper Type: N/A (Digital Download - PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, single-cylinder Engine Code Typical: Minarelli or Piaggio engine (common for Aprilia 50cc scooters of this era, often with specific Aprilia tuning). Displacement: 49cc (approx.) Bore X Stroke: Typical: 39.3 mm x 40.0 mm Compression Ratio: Typical: 7.2:1 to 8.5:1 (depending on specific tuning) Power Output Hp: Typically 4.5 - 6.0 HP at RPM (actual specification varies by market and tuning) Torque Nm: Approx. 4.5 - 5.5 Nm at RPM (actual specification varies) Performance Top Speed Kph: Approximately 70-80 km/h (stock, de-restricted where legally permitted). Fuel System Carburetor Model: Dell'Orto PHVA 17.5 (common fitment) Fuel Type: Unleaded gasoline (RON 95 or higher recommended) Fuel Mixture: Premix (oil mixed with gasoline) or separate oil injection system (check specific model for oil injection) Lubrication Oil Type 2T: High-quality 2-stroke synthetic or semi-synthetic engine oil (API TC, JASO FD rated). Cooling System Coolant Type: Ethylene glycol based coolant, typically a 50/50 mix with distilled water. 🔧 Transmission Standard Transmission Type: Automatic Continuously Variable Transmission (CVT) Drive Belt Type: Specific V-belt drive system; service life and replacement intervals detailed in the manual. Features Variator Operation: Vario system with rollers that adjust gear ratio based on engine RPM and load. Clutch Type: Centrifugal clutch (automatic engagement). 📐 Dimensions Exterior Length: Approx. 1700-1800 mm (specific value not provided in product info) Width: Approx. 700-750 mm (specific value not provided in product info) Height: Approx. 1100-1150 mm (specific value not provided in product info) Weights Dry Weight Kg: Approx. 95-105 kg (specific value not provided in product info) Max Load Kg: Typically around 150-180 kg (rider and cargo) Cargo Storage: Under-seat storage compartment, often capable of fitting a full-face helmet. 🛡️ Safety Features Ratings Crash Safety: As a scooter, specific crash ratings like automotive NCAP are not applicable. Safety is determined by braking performance, handling, and...