🏷️ Basic Information Identification Make: Aprilia Model: SR50 Year: 1997 Generation Generation Identifier: First Generation (Post-1992 Redesign) Codes Chassis Code Range: AP05W (example, may vary by sub-model) 👋 Introduction Market Position Segment Positioning: Sporty 50cc scooter, popular in urban environments for its performance and agile handling. Competitive Analysis Key Competitors: Competed against other high-performance 50cc scooters from brands like Piaggio (Zip, NRG), Gilera, and Yamaha (Aerox). Key Features Design Highlights: Aggressive styling, liquid-cooled engine, sporty suspension, and performance-oriented chassis contributed to its appeal among younger riders. 📋 Manual Details Coverage Areas Covered Models: All Aprilia SR50 SR 50 1997 models, All Engines, All Trims, All Transmissions Page Count Estimated Page Count: 200-300 (typical for comprehensive workshop manuals) Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Engine disassembly, assembly, tuning, lubrication, cooling, fuel, ignition, starting, exhaust Transmission Systems: Automatic transmission (CVT), clutch, gearbox, final drive maintenance and repair Chassis Systems: Frame, suspension (front forks, rear shock absorber), steering system, wheel bearings Brake Systems: Front and rear brake systems (hydraulic disc/drum), hydraulic lines, calipers, master cylinders, brake fluid specifications Electrical Systems: Wiring diagrams, battery, charging system (stator, rectifier/regulator), lighting, ignition system, starter motor, horn, instrumentation Bodywork And Trim: Body panels, fairings, seat, storage compartments, bodywork removal and installation procedures Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug inspection/replacement, chain adjustment (if applicable), air filter cleaning/replacement, brake fluid flush, coolant check/replacement Troubleshooting Guides: Step-by-step diagnostic procedures for common problems (e.g., starting issues, poor performance, electrical faults) Repair Procedures: Detailed instructions for component removal, repair, and reinstallation for all major systems Specifications And Data: Torque values, clearances, fluid capacities, electrical resistance readings, diagnostic codes Technical Depth Depth Of Coverage: Comprehensive; suitable for DIY enthusiasts and professional technicians alike. Covers everything from basic maintenance to complete engine rebuilds and electrical system diagnostics. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Image Resolution: High resolution, suitable for clear viewing and printing of diagrams and text Binding Type Digital Binding: N/A (Digital PDF) Paper Type Digital Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, single-cylinder Displacement: 49.3 cc Bore X Stroke: 39.0 mm x 41.4 mm (typical, refer to manual for exact spec) Power Output: Approx. 5.4 - 6.0 HP @ 6,500 RPM (varies by market and tuning, refer to manual for specific output) Torque Output: Approx. 6.0 - 6.5 Nm @ 6,000 RPM (approximate) Performance Ignition System: Electronic ignition (CDI) Cooling System: Liquid-cooled with radiator and fan Fuel System Carburetor Type: Dell'Orto PHBN 12 (or similar, refer to manual for exact model and jetting) Fuel Type: Unleaded gasoline (minimum 95 RON recommended) Fuel Mixture: Automatic oil injection system (separate oil reservoir) 🔧 Transmission Standard Transmission Type: Automatic Continuously Variable Transmission (CVT) Optional Gear Ratios: Variable, managed by CVT pulleys and drive belt (refer to manual for specific ratios at different speeds) Features Clutch Type: Centrifugal automatic clutch Final Drive: Geared final drive Transmission Fluid: Specific gear oil for final drive (refer to manual for viscosity and capacity, e.g., SAE 80W-90 GL-4) 📐 Dimensions Exterior Length: Approx. 1750 mm (varies slightly) Width: Approx. 700 mm (at handlebars) Height: Approx. 1100 mm (at handlebars) Weights Dry Weight: Approx. 90 - 95 kg (varies by equipment) Fuel Tank Capacity: Approx. 7.0 Liters Wheels And Tires Front Tire Size: 120/70-13 (typical) Rear Tire Size: 130/60-13 (typical) Wheel Type: Alloy wheels 🛡️ Safety Features Ratings Crash Test Data: As a scooter, formal crash test ratings comparable to automobiles are not applicable. Safety relies on rider protection and vehicle stability. Active Features Braking System: Front and rear disc brakes (often dual disc front on higher trims) for effective stopping power. Lighting: Headlight, taillight, brake lights, turn signals for visibility. Passive Features Frame Construction: Steel frame providing structural integrity. Suspension System: Sport-tuned suspension for improved handling and stability. 💡 Technology Features Infotainment Instrument Cluster: Analog speedometer, tachometer, fuel gauge, odometer, and indicator lights (turn signals, high beam, oil warning). Driver Assistance ABS Availability: ABS was not typically a standard feature on the 1997 SR50, but some advanced market versions might have offered it. Consult specific model details. Connectivity Connectivity Features: None (No integrated connectivity features in the modern sense). 🔧 Maintenance Service Intervals Engine Oil Change: Every 3,000-5,000 km or annually (refer to manual for precise interval and condition) Gear Oil Change: Every 5,000-10,000 km or annually Air Filter Cleaning: Every 2,000-3,000 km (or more frequently in dusty conditions) Spark Plug Inspection: Every 3,000-4,000 km Drive Belt Inspection: Every 5,000-6,000 km for wear and tension Fluid Specifications Engine Oil: High-quality 2-stroke synthetic or semi-synthetic oil (refer to manual for specific API/JASO rating, e.g., JASO FD) Coolant: Ethylene glycol-based antifreeze with corrosion inhibitors, mixed 50/50 with distilled...