🏷️ Basic Information Identification Make: Aprilia Model: RS50 Year: 2004 Product Name: Aprilia RS50 RS 50 2004 Full Service Repair Manual 👋 Introduction Market Position Positioning: The Aprilia RS50 is a highly regarded lightweight sportbike, popular among younger riders and those seeking an engaging, track-inspired experience. This manual positions itself as the definitive resource for maintaining and repairing this performance-oriented machine. Competitive Analysis Competitors: Competes with other 50cc sportbikes of its era, emphasizing performance and styling. Key Features Manual Features: Detailed sub-steps, notes/cautions/warnings, numbered instructions, bold figure numbers, detailed illustrations, enlarged insets, numbered table of contents, combined troubleshooting/electrical procedures with wiring diagrams. 📋 Manual Details Coverage Areas Primary Coverage: Complete Service, Repair, Maintenance, Restoration, Refurbishment Page Count Estimated Page Count: Refer to manual content, typically extensive for full service manuals (likely 300+ pages) Manual Type Type: Full Service Repair Manual Language Language: English Format Digital Format: PDF Delivery Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine: Engine overhaul, component diagnostics, performance tuning, lubrication, cooling system Fuel System: Carburetor tuning and overhaul, fuel pump, fuel lines, fuel tank maintenance Ignition System: Ignition coil, spark plug, CDI unit, timing adjustments Transmission: Gearbox disassembly, assembly, inspection, clutch operation, shift mechanism Suspension: Front fork service (oil change, seal replacement), rear shock absorber inspection and adjustment, linkage maintenance Brakes: Front and rear brake caliper overhaul, master cylinder service, brake fluid bleeding, pad and disc inspection/replacement Electrical System: Wiring diagrams, component testing, battery maintenance, lighting system, starter motor, charging system diagnostics Cooling System: Coolant specifications, radiator maintenance, thermostat operation, water pump inspection Exhaust System: Exhaust pipe inspection, muffler maintenance Frame And Bodywork: Chassis inspection, fairing removal/installation, seat maintenance, control cable adjustments Wheels And Tires: Tire pressure recommendations, wheel bearing maintenance, wheel balancing Procedures Included Maintenance: Regular service checks, lubrication points, filter replacement, spark plug gap and replacement Troubleshooting: Diagnostic flowcharts for common performance issues, electrical faults, starting problems Repair: Step-by-step instructions for component disassembly, repair, and reassembly Rebuilding: Detailed guidance for major component rebuilds, such as engine or transmission Diagnostics: Electrical system diagnostics, component testing procedures with specific readings Wiring Diagrams: Comprehensive and detailed electrical schematics for all circuits Technical Depth Depth: Comprehensive, covering basic maintenance to full engine rebuilds and advanced electrical diagnostics, suitable for professional technicians and experienced DIY mechanics. 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Full Printable (all pages) Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Type: Not Applicable (Digital Download) Software Requirements Reader Software: Adobe PDF Reader Archive Software: WinRAR (or equivalent decompression software) Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, single-cylinder Displacement: 49.7 cc (approx.) Bore X Stroke: Refer to manual for specific dimensions, but typically around 39.5mm x 40.1mm Performance Horsepower: Typically around 10-15 HP (varies by region/derestriction) Torque: Refer to manual for specific torque figures Fuel System Carburetor: Likely Dell'Orto PHBG or similar 19-21mm carburetor (specific model in manual) Fuel Type: Unleaded gasoline, minimum 95 RON (octane rating) Oil Mixture: Pre-mix or oil injection system (check manual for specific system and ratio, typically 1:30 or 1:50 for pre-mix) Cooling System Cooling Type: Liquid-cooled Lubrication Oil Type: Specific 2-stroke synthetic or semi-synthetic engine oil (refer to manual for exact specifications and capacity) 🔧 Transmission Standard Transmission Type: 6-speed manual Features Clutch Type: Wet multi-plate Final Drive: Chain drive Lubrication Transmission Oil Type: Specific gearbox oil (refer to manual for viscosity and capacity, e.g., SAE 75W/80 or 10W/30) 📐 Dimensions Exterior Length: Refer to manual for exact dimensions Width: Refer to manual for exact dimensions Height: Refer to manual for exact dimensions Weights Dry Weight: Approximately 105 kg (231 lbs) Wet Weight: Refer to manual for exact weight with fluids Fuel Tank Capacity: Approximately 13 Liters (3.4 US gal) Wheels And Tires Front Tire Size: 110/70-17 (typical, confirm with manual) Rear Tire Size: 130/70-17 (typical, confirm with manual) Wheelbase: Refer to manual for exact wheelbase measurement 🛡️ Safety Features Ratings Safety Certification: CE certification (relevant for European markets) Active Features Braking System: Hydraulic disc brakes front and rear for effective stopping power. Passive Features Lighting: Full headlight, taillight, and turn signal system for visibility. 💡 Technology Features Infotainment Instrument Cluster: Analog tachometer, speedometer, odometer, and essential warning lights. Driver Assistance N A: N/A for this model year and class. Connectivity N A: N/A for this model year and class. 🔧 Maintenance Service Intervals Oil Change Transmission: Refer to manual, typically every 6,000-10,000 km or annually. Spark Plug Replacement: Refer to manual, typically every 3,000-5,000 km or as needed based on condition. Air Filter Cleaning: Refer to manual, recommended every 1,000-3,000 km or more frequently in dusty conditions. Chain Lubrication: Frequent lubrication recommended, ideally every 500 km or after riding in wet conditions. Fluid Specifications Brake Fluid: DOT 4 (refer to...