🏷️ Basic Information Identification Make: Aprilia Model: RS50 Model Variant: RS 50 Generation Generation Code: First Generation (AM Series) Codes Engine Code General: Rotax 2-stroke single-cylinder 👋 Introduction Market Position Segment: Lightweight sport motorcycle, entry-level performance segment Competitive Analysis Key Competitors: Yamaha YZF-R125 (later models), Honda CBR125R (later models), Derbi GPR50 Key Features Design Philosophy: Street-legal sportbike styling inspired by larger Aprilia RS models Engine Type: High-performance 2-stroke engine for its class 📋 Manual Details Coverage Areas Covered Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Page Count Estimated Page Count: Extensive (Specific number not provided, but described as 'very detailed' and 'comprehensive') Manual Type Manual Type: Full Service Repair Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine Service: Complete overhaul, carburetor tuning, ignition system, cooling system Transmission Service: Clutch operation, gearbox disassembly and reassembly, lubrication Chassis And Suspension: Front fork (USD forks) servicing, rear shock absorber, swingarm, steering head bearings Brakes: Front and rear brake system diagnosis, pad replacement, caliper servicing, fluid bleeding Electrical System: Wiring diagrams, lighting system, ignition switch, battery, charging system, starter Fuel System: Fuel tank, fuel lines, fuel pump (if applicable), fuel filter Bodywork And Trim: Fairing removal and installation, seat, fuel tank cover, body panel repairs Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment, spark plug service, tire pressure checks Diagnostic Procedures: Troubleshooting common issues, fault diagnosis for engine and electrical systems Repair Procedures: Detailed step-by-step instructions for component disassembly, repair, and reassembly Rebuild Procedures: Engine rebuilds, carburetor rebuilds, brake caliper rebuilds Restoration Guidance: Guidance for refurbishing and restoring the vehicle Technical Depth Depth Of Information: Comprehensive, suitable for professional technicians and advanced DIY mechanics Diagnostic Capabilities: Detailed troubleshooting and electrical diagnostics with wiring diagrams 📊 Manual Specifications File Format PDF Quality: High quality, printable, contains detailed illustrations and diagrams Print Quality Printability: Full printable pages Binding Type Binding Type: Digital (PDF format for download) Paper Type Paper Type: N/A (Digital) Requirements Software Requirements: Adobe PDF Reader, WinRAR Compatibility: All versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Manufacturer: Rotax Engine Type: 2-stroke Engine Configuration: Single-cylinder Displacement: 49.9 cc (approximate) Bore X Stroke: 39.5 mm x 40.2 mm (Typical for Rotax 50cc) Cooling System: Liquid-cooled Performance Horsepower Output: Varies by region and tuning, typically around 10-15 HP (restricted in some markets) Torque Output: Approximately 6-8 Nm (varies) Fuel System Carburetor Size: 17.5mm Dell'Orto PHVA (common) Fuel Type: Unleaded gasoline (95 RON recommended), requires 2-stroke oil mixture Ignition System Ignition Type: Electronic CDI 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Optional Clutch Type: Wet multi-plate Features Final Drive: Chain drive 📐 Dimensions Exterior Length: Approx. 1990 mm Width: Approx. 720 mm Height: Approx. 1145 mm Weights Dry Weight: Approx. 124 kg Fuel Tank Capacity: Approx. 13 liters 🛡️ Safety Features Ratings Safety Features: Disc brakes front and rear, capable chassis design Active Features Braking System: Hydraulic disc brakes front and rear (e.g., Grimeca calipers) Passive Features Frame Type: Aluminum perimeter frame 💡 Technology Features Infotainment Dashboard: Analog tachometer, digital speedometer, odometer, trip meter, neutral indicator, turn signal indicators Driver Assistance ABS: Not typically equipped on this model year. Connectivity Connectivity Features: N/A (Basic motorcycle electronics) 🔧 Maintenance Service Intervals Oil Change Interval: Consult manual for specific mileage/time intervals; typically every 3,000-5,000 km for gearbox oil. Spark Plug Replacement: Consult manual for specific mileage intervals; typical for 2-strokes is around 5,000-10,000 km. Fluid Specifications Engine Oil Type: High-quality 2-stroke pre-mix oil (specified by Aprilia, e.g., Motul 7100 2T or similar) Gearbox Oil Type: API GL-4 SAE 75W/90 or 80W/90 gear oil (specific Aprilia part number or equivalent recommended) Brake Fluid Type: DOT 4 Coolant Type: Ethylene glycol-based coolant with anti-corrosion additives Known Issues Common Wear Items: Piston rings, clutch plates, spark plugs, chain and sprockets, front fork seals Carburetion Tuning: Can be sensitive to altitude and temperature; requires proper jetting for optimal performance. 📚 Vehicle History Brand Heritage Aprilia Legacy: Aprilia has a strong heritage in motorcycle racing and performance-oriented street bikes. Model Evolution Rs50 Development: The RS50 was Aprilia's flagship 50cc sportbike, designed to offer a premium experience in the lightweight class. Production Manufacturing Origin: Italy 🏆 Awards & Recognition Recognitions Industry Standing: Considered a benchmark in its class for design and performance during its production run.