🏷️ Basic Information Identification Make: Aprilia Model: RS50 Year: 2002 Codes Internal Product Code: APR-RS50-2002-SRWM Oem Manual Identifier: Likely corresponds to an Aprilia official service manual 👋 Introduction Market Position Segment: Lightweight sport motorcycle, entry-level performance segment. Target Audience: New riders, younger enthusiasts, those seeking a nimble and engaging street bike with racing heritage. Competitive Analysis Competitors 2002: Yamaha YZF-R125 (though typically 125cc), Cagiva Mito 50, Derbi GPR50, Honda RS50 (if applicable for the market). Key Features Performance Orientation: Designed for sporty handling and agility, mimicking the larger Aprilia sportbikes. Styling: Aggressive, race-inspired aerodynamic fairings and aggressive riding posture. Engine Type: Two-stroke, single-cylinder, liquid-cooled for optimized performance and thermal management. 📋 Manual Details Coverage Areas Systems Covered: Engine mechanical, engine electrical, fuel system, cooling system, exhaust system, transmission, clutch, chassis, suspension (front & rear), brakes (front & rear), electrical system (wiring diagrams, lighting, ignition, starting, charging), bodywork, troubleshooting, maintenance procedures, specifications. Page Count Page Count: Estimated 300-400 pages (typical for comprehensive service manuals of this era) Manual Type Manual Type: Service Repair Workshop Manual Language Language: English Format Format: Digital (likely PDF), printable 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed disassembly, inspection, and reassembly of all engine components including cylinder, piston, crankshaft, connecting rod, bearings, valve train, seals, and gaskets. Torque specifications for all fasteners. Engine Electrical: Ignition system diagnosis and repair, CDI unit, spark plug specifications, stator and rotor inspection, wiring harness diagrams, starter motor operation and testing. Fuel System: Carburetor (likely Dell'Orto PHVA 12/14 or similar) disassembly, cleaning, adjustment, and jetting. Fuel line routing, fuel filter replacement, fuel tank maintenance. Cooling System: Radiator inspection, coolant specifications and capacity, water pump operation and seal replacement, thermostat function. Transmission Clutch: Gearbox oil specifications and change intervals, clutch operation, cable adjustment, friction plate inspection and replacement, primary drive and final drive maintenance. Brakes Suspension: Front fork disassembly, oil change, seal replacement. Rear shock absorber specifications and adjustment. Brake fluid type (DOT 4 recommended), bleeding procedures, pad and disc wear limits, caliper overhaul. Electrical Wiring: Comprehensive wiring diagrams with component identification, troubleshooting guides for electrical faults, battery specifications, lighting system maintenance (headlight, taillight, indicators), horn operation. Procedures Included Maintenance: Routine maintenance checks, oil changes, filter replacements, chain adjustment, spark plug replacement, air filter cleaning/replacement, brake fluid flush, coolant flush. Troubleshooting: Systematic diagnostic procedures for common issues such as starting problems, poor engine performance, electrical malfunctions, brake fade, and suspension noise. Repair: Step-by-step instructions for component removal, repair, and installation for all major systems, including engine rebuilds, gearbox overhauls, and electrical system repairs. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds, including detailed diagnostic procedures and specifications. 📊 Manual Specifications File Format File Format: PDF Searchability: Searchable text for quick information retrieval. Print Quality Print Quality: High resolution, suitable for printing clear diagrams and text. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder, liquid-cooled Displacement: 49.7 cc (approx.) Bore X Stroke: Approximately 40.5 mm x 39.3 mm Compression Ratio: Typically around 8.5:1 to 10.0:1 depending on variant and market regulations. Cooling Method: Liquid-cooled Ignition System: Electronic CDI (Capacitor Discharge Ignition) Performance Horsepower: Restricted for class regulations (typically 10-15 HP in homologated form). Performance tuning potential is significant. Torque: Corresponding torque figures, with peak delivery in the mid-range for sporty acceleration. Fuel System Carburetor Model: Likely Dell'Orto PHVA 12 or PHVA 14 Fuel Type: Unleaded gasoline (95 RON minimum recommended) Oil Mixing: Premix or automatic oil injection system (check specific model variant). 🔧 Transmission Standard Transmission Type: 6-speed constant mesh manual transmission Clutch Type: Wet, multi-plate clutch Final Drive: Chain drive Features Gear Ratios: Specific gear ratios provided in the manual for each gear, enabling precise understanding of performance characteristics. 📐 Dimensions Exterior Length: Approx. 1945 mm Width: Approx. 720 mm Height: Approx. 1125 mm Wheelbase: Approx. 1350 mm Weights Dry Weight: Approx. 105 kg Fuel Tank Capacity: Approx. 13 liters 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Motorcycle specific, not typically rated like cars) Active Features Brakes: Front: Single hydraulic disc brake. Rear: Single hydraulic disc brake. Often featuring braided steel lines for improved feel. Lighting: Halogen headlight, LED taillight, front and rear turn signals. Passive Features Chassis: Perimeter frame construction for rigidity and strength, designed for sporty handling. Tires: Sport-oriented tire profiles for optimal grip and lean angle capability. 💡 Technology Features Infotainment Dashboard: Analog speedometer, tachometer, odometer, trip meter, and basic indicator lights (turn signals, high beam, neutral). Driver Assistance Assistance Systems: None (standard for 2002 lightweight motorcycles). Connectivity Connectivity Features: None (standard for 2002 lightweight motorcycles). 🔧 Maintenance Service Intervals Oil Change: Gearbox oil: Every 3,000-5,000 km or annually. 2-stroke oil: Continuous if using automatic injection, monitor level regularly. Spark Plug Replacement: Every 3,000-6,000 km, or...