🏷️ Basic Information Identification Make: Aprilia Model: RS50 Year: 1999 Sub Model: RS 50 Codes Product Identifier: Aprilia RS50 RS 50 1999 Repair Service Manual 👋 Introduction Market Position Target Audience: Professional technicians and DIY enthusiasts with existing mechanical/electrical knowledge for the Aprilia RS50 RS 50 1999. Competitive Analysis Comparison To Paper: Functionally identical to a paper manual, offering the convenience of immediate digital access and often sourcing from factory materials not readily available in print. Key Features Instructional Style: Step-by-step guidance designed to impart factory-level knowledge for repairs and maintenance. Content Scope: Covers fundamentals to complex repairs, aiming to empower owners to make informed maintenance decisions. 📋 Manual Details Coverage Areas Coverage: Comprehensive repair, maintenance, diagnostics, and troubleshooting for the Aprilia RS50 RS 50 1999. Page Count Page Count: Not specified, but described as comprehensive, covering typical factory service and owner's manual topics. Manual Type Manual Type: Repair Service Manual, Workshop Manual, Factory Service Manual Repair Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Engine disassembly, assembly, tuning, lubrication, cooling, exhaust. Transmission: Gearbox maintenance, clutch service, gear selection. Fuel System: Carburetor service and adjustment, fuel tank, fuel lines. Ignition System: Ignition timing, spark plug, CDI unit. Electrical System: Wiring diagrams, battery, lighting, starter motor, charging system. Chassis And Frame: Frame inspection and repair, suspension systems, steering. Braking System: Brake fluid, caliper service, disc replacement, lever adjustment. Wheels And Tires: Tire pressure, wheel bearing service, tire replacement. Bodywork And Fairings: Fairing removal and installation, seat service. Troubleshooting: Diagnostic procedures for common issues, fault finding. Procedures Included Maintenance: Regular servicing, fluid changes, filter replacements, chain adjustment. Disassembly: Step-by-step instructions for component removal. Assembly: Step-by-step instructions for component reinstallation. Cleaning: Procedures for cleaning various components, especially the engine and fuel system. Reinstalling: Detailed guides for putting components back onto the vehicle. Diagnostics: Guidance on identifying and resolving mechanical and electrical faults. Technical Depth Depth: Suitable for professional technicians and advanced DIY mechanics with basic electrical and mechanical knowledge. Covers fundamentals to complex repairs. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: Full Printable Binding Type Binding Type: Digital Download (no physical binding) Paper Type Paper Type: Not Applicable (Digital PDF) Features Zoom Capability: YES Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader & WinZip Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder (typical for RS50) Displacement: Approximately 49cc (standard for RS50) Cooling System: Liquid-cooled Performance Horsepower: Varies by market and tuning, typically around 10-15 HP for stock models. Fuel System Carburetor Type: Likely a Dell'Orto PHVA or similar 17.5mm carburetor (common for this model). Fuel Type: Unleaded gasoline with 2-stroke oil mixture (pre-mix or auto-lube system). 🔧 Transmission Standard Transmission Type: 6-speed manual sequential gearbox Features Clutch Type: Wet multi-plate clutch 📐 Dimensions Weights Dry Weight: Approximately 105-110 kg (varies slightly). 🛡️ Safety Features Ratings Safety Standards: Compliance with European motorcycle safety regulations for its class. Active Features Braking System: Hydraulic disc brakes front and rear. 💡 Technology Features Infotainment Infotainment System: Not applicable for this model; focus is on core mechanical and electrical systems. Driver Assistance Driver Assistance Features: Not applicable for this model. Connectivity Connectivity Features: Not applicable for this model. 🔧 Maintenance Service Intervals Oil Change: Refer to manual for specific mileage/time intervals; frequent checks recommended for 2-stroke engines. Spark Plug Replacement: Typically every 3,000-6,000 km or as per manual, depending on plug type and usage. Chain Lubrication Adjustment: Regularly, often every 500 km or after riding in wet conditions. Fluid Specifications Coolant Type: Ethylene glycol-based coolant with corrosion inhibitors (e.g., Motul Motocool Expert or equivalent). Brake Fluid Type: DOT 4 or DOT 5.1 hydraulic brake fluid. 2 Stroke Oil Type: High-quality, fully synthetic 2-stroke motorcycle oil suitable for high-performance engines (e.g., Motul 710 2T or Castrol Power 1 Racing). Known Issues Carburetor Fouling: Common in 2-stroke engines; requires regular cleaning and adjustment. Power Valve Sticking: If equipped, the power valve can accumulate carbon and require cleaning. Exhaust Decoking: 2-stroke exhaust systems can become clogged with carbon over time, requiring periodic decoking. Electrical Connection Corrosion: Can occur with age and exposure to elements, affecting lighting or ignition. 📚 Vehicle History Brand Heritage Manufacturer Origin: Italian motorcycle manufacturer known for sportbikes and racing heritage. Model Evolution Rs50 Positioning: The RS50 was Aprilia's entry-level sportbike, designed to appeal to younger riders and offering a taste of their larger sportbike styling and performance. Production Production Period: The RS50 model line was produced for many years, with the 1999 model being part of the early generations. 🏆 Awards & Recognition Recognitions Awards And Recognition: While specific awards for the 1999 RS50 might be scarce, Aprilia as a brand has a strong racing heritage and is recognized for its sportbike designs.