🏷️ Basic Information Identification Make: Aprilia Model: RS 50 Chassis Code: 979X Codes Product Code: RS50-0105-WS 👋 Introduction Market Position Segment: Entry-level sportbike, aimed at younger riders and those seeking a lightweight, stylish performance machine. Competitive Analysis Competitors: Directly competes with other 50cc sportbikes from brands like Yamaha (TZR 50), Suzuki (RG50 Gamma), Derbi (GPR 50), and Cagiva (Mito 50). Key Features Design Philosophy: Emulates the styling of larger Aprilia sportbikes, offering a premium look and feel in the 50cc class. Handling: Known for agile and sporty handling characteristics due to its lightweight chassis and performance-oriented suspension. Performance Focus: Designed to maximize the performance potential of a 50cc two-stroke engine, often with performance tuning options available. 📋 Manual Details Coverage Areas Model Years Covered: 2001, 2002, 2003, 2004, 2005 Page Count Estimated Page Count: 300+ Manual Type Type: Complete Workshop Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: Detailed disassembly, inspection, assembly, troubleshooting, and repair of the engine and its components (carburetor, ignition, cooling, exhaust). Transmission: Service and repair procedures for the gearbox, clutch, and drive components. Chassis And Frame: Inspection, maintenance, and repair of the frame, swingarm, and related structural components. Suspension: Front fork (telescopic, upside-down) and rear shock absorber servicing, adjustment, and repair. Brakes: Front and rear brake system maintenance, caliper overhaul, fluid replacement, disc inspection, and bleeding procedures. Electrical System: Wiring diagrams, troubleshooting for lighting, ignition, starter, battery, and instrument cluster. Fuel System: Carburetor tuning, cleaning, and rebuilding; fuel tank and line maintenance. Cooling System: Radiator, hoses, and thermostat service; coolant specifications and procedures. Exhaust System: Inspection and replacement of exhaust components. Wheels And Tires: Tire pressure, replacement, and wheel bearing maintenance. Procedures Included Maintenance: Routine servicing, lubrication, filter changes, spark plug replacement, chain adjustment. Troubleshooting: Systematic diagnostic procedures for common and uncommon issues. Repair: Step-by-step repair instructions for all major components and systems. Disassembly And Assembly: Complete instructions for dismantling and reassembling various parts of the motorcycle. Specifications: Detailed torque specifications, clearances, fluid levels, and electrical values. Technical Depth Depth: Comprehensive coverage suitable for professional mechanics and advanced DIY enthusiasts, including engine rebuilds and complex electrical diagnostics. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval. Print Quality Print Readability: High-resolution pages designed for clear printing and on-screen viewing. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, two-stroke, single-cylinder Displacement: 49.7 cc (3.03 cu in) Bore X Stroke: 39.5 mm x 40.5 mm Engine Code: Rotax 1471 Performance Horsepower Estimated: Approximately 7-10 HP (depending on restrictor modifications and market regulations) Torque Estimated: Not widely published for stock 50cc models, but characterized by strong low-to-mid range power for its class. Fuel System Carburetor: Dell'Orto PHBN 14/17.5 (often 14mm on restricted models, 17.5mm on unrestricted) Fuel Type: Unleaded gasoline (min 95 RON recommended), mixed with 2-stroke oil Ignition Ignition System: Electronic ignition (CDI) Cooling System Cooling Method: Liquid-cooled 🔧 Transmission Standard Type: 6-speed manual transmission Features Clutch: Wet multi-plate clutch Final Drive: Chain drive 📐 Dimensions Exterior Length Approx: 1950 mm (76.8 in) Width Approx: 720 mm (28.3 in) Height Approx: 1130 mm (44.5 in) Wheelbase Approx: 1330 mm (52.4 in) Weights Dry Weight Approx: 105 kg (231.5 lbs) Fuel Tank Capacity: 13 Liters (3.4 US gal) 🛡️ Safety Features Ratings Crash Safety: N/A (Motorcycle, not subject to automotive crash ratings) Active Features Braking System: Front: Single hydraulic disc; Rear: Single hydraulic disc Lighting: Halogen headlight, LED tail light. Passive Features Frame Construction: Perimeter frame design for rigidity and handling. 💡 Technology Features Infotainment Instrument Cluster: Analog tachometer, speedometer, odometer, coolant temperature gauge, and indicator lights. Driver Assistance Aids: None (basic safety features only, as expected for a 50cc sportbike of this era). 🔧 Maintenance Service Intervals Oil Change 2Stroke: Regular top-up/checking of 2-stroke oil reservoir as per owner's manual; check condition of oil pump and lines at 5,000-10,000 km. Spark Plug: Replace every 5,000 - 10,000 km (depending on usage and plug type, refer to manual for specific recommendations). Air Filter: Inspect and clean every 5,000 km; replace as needed. Chain Lubrication Adjustment: Lubricate chain every 500-1000 km; adjust tension every 5,000 km or as needed. Brake Fluid: Replace every 2 years or as per manual recommendations (DOT 4 typically). Coolant: Flush and replace coolant every 2 years. Fluid Specifications Engine Oil 2Stroke: High-quality 2-stroke oil, specifically for liquid-cooled, performance engines (e.g., Motul 710, Castrol Power 1). Coolant: Ethylene glycol based antifreeze/coolant, pre-diluted 50/50 with distilled water. Brake Fluid: DOT 4 Known Issues Carburetor Tuning: Carburetors (especially Dell'Orto PHBN) can be sensitive to altitude, temperature, and aftermarket exhaust/intake modifications, requiring frequent tuning. Exhaust Leaks: Exhaust gaskets and pipe connections can be prone to leaks due to vibrations, affecting performance and...