🏷️ Basic Information Identification Make: Aprilia Model: RS50 Year: 2009 Product Type: Service Repair Workshop Manual 👋 Introduction Market Position Segment: Lightweight sport motorcycle (125cc class equivalent for licensing in many regions). Target Audience: Young riders, commuting, entry-level sportbike enthusiasts. Competitive Analysis Key Competitors: Yamaha YZF-R125, Honda CBR125R, Kawasaki Ninja 125, Suzuki GSX-R125. Key Features Design Philosophy: Sportbike styling derived from larger Aprilia motorcycles, sharp lines, aggressive riding posture. Performance Focus: Agile handling, responsive engine, and sporty aesthetics appealing to performance-minded beginners. 📋 Manual Details Coverage Areas Overall Coverage: Comprehensive service, repair, and maintenance procedures for the Aprilia RS50 (2009 model year). Page Count Estimated Pages: Approx. 300-400 pages (typical for this model and manual type). Manual Type Type: Workshop Manual / Service Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: Engine overhaul, disassembly, assembly, lubrication, cooling system, fuel system, ignition system, exhaust system. Transmission: Gearbox operation, maintenance, troubleshooting, clutch, shifter mechanism. Chassis: Frame, suspension (front forks, rear shock absorber), steering system, wheels, tires, brakes (front and rear). Electrical: Wiring diagrams, lighting system, battery, starter, ignition system, instrument panel, indicators. Bodywork: Fairings, seat, fuel tank, fenders, handlebars, controls. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, chain adjustment, brake pad replacement, spark plug service. Troubleshooting: Diagnostic procedures for common problems, electrical faults, engine performance issues. Repair: Step-by-step repair instructions for all major components and systems, including engine rebuilds and suspension overhauls. Technical Depth Diagnostic Capabilities: Detailed diagnostic charts, fault code interpretation (if applicable), and systematic troubleshooting flows. Component Rebuilds: Complete disassembly and reassembly instructions for engine, gearbox, and suspension components. Specifications Data: Tightening torques, fluid capacities, clearances, timing settings, and other critical technical data. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Readability: High-resolution scans with clear text and legible diagrams, optimized for digital viewing and printing. Binding Type Binding: Not applicable (Digital PDF) Paper Type Paper Quality: Not applicable (Digital PDF) Searchability Text Search: Searchable PDF text for quick information retrieval. ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, 2-stroke, liquid-cooled. Displacement: 49.7 cc (cubic centimeters) Bore X Stroke: 39.86 mm x 40 mm Power Output: Approx. 8.4 kW (11.2 hp) @ 9,750 rpm (EU homologation limits may apply). Torque Output: Approx. 7.9 Nm (5.8 lb-ft) @ 9,500 rpm. Compression Ratio: 10.5:1 (typical for this engine). Performance Top Speed: Limited by engine size and regulations, typically around 60-70 mph (95-115 km/h). Fuel System Fuel Delivery: Carburetor (e.g., Dell'Orto PHBN 17.5). Fuel Type: Unleaded gasoline (RON 95 or higher recommended). Oil Mixture: Pre-mix or separate oil injection system for 2-stroke oil. Lubrication 2-Stroke Oil Type: High-quality 2-stroke synthetic or semi-synthetic oil meeting JASO FD or API TC specifications. Cooling System Type: Liquid-cooled. Coolant Type: Ethylene glycol-based antifreeze/coolant with corrosion inhibitors (50% mixture with distilled water recommended). 🔧 Transmission Standard Type: 6-speed manual transmission. Optional Optional Transmissions: None. Features Clutch Type: Wet multi-plate clutch, cable-actuated. Gear Ratios: Specific gear ratios are detailed in the manual for each gear. 📐 Dimensions Exterior Length: Approx. 1,980 mm (77.95 in) Width: Approx. 720 mm (28.35 in) Height: Approx. 1,130 mm (44.49 in) Wheelbase: Approx. 1,350 mm (53.15 in) Seat Height: Approx. 805 mm (31.69 in) Weights Dry Weight: Approx. 120 kg (264.55 lbs) Gross Vehicle Weight Rating: Refer to vehicle compliance plate, typically around 280 kg. 🛡️ Safety Features Ratings Crash Test Results: Not typically rated by consumer safety organizations like NHTSA or Euro NCAP for this class of vehicle. Active Features Braking System: Hydraulic disc brakes front and rear (e.g., 260mm front disc, 220mm rear disc). Tire Specifications: Tubeless tires: Front 110/70-17, Rear 130/70-17 (typical sizes, consult manual for exact specs). Passive Features Lighting: Halogen headlight, LED taillight and indicators. 💡 Technology Features Infotainment Infotainment System: Basic instrument cluster: speedometer, tachometer, odometer, engine temperature warning light, neutral indicator. Driver Assistance Driver Assistance Features: None in the modern automotive sense. Connectivity Connectivity Options: None. 🔧 Maintenance Service Intervals Oil Change Engine: Every 3,000-4,000 km or annually. Refer to manual for exact interval. Spark Plug Service: Inspect every 2,000 km, replace as needed. Air Filter Service: Clean or replace every 4,000-6,000 km or as needed based on operating conditions. Chain Lubrication Adjustment: Lubricate every 500-800 km, check tension at same interval. Fluid Specifications Transmission Oil Type: SAE 75W/90 gear oil (API GL-4 or GL-5 specification, consult manual for exact type). Brake Fluid Type: DOT 4 hydraulic brake fluid. Coolant Type: Ethylene glycol-based coolant (50% mixture with distilled water). Known Issues Common Problems: Potential for carburetor tuning issues, 2-stroke engine wear if not properly maintained, electrical connector corrosion. Preventative Maintenance: Regular cleaning of air filter, proper 2-stroke oil mix, timely chain maintenance, and checking electrical connections are crucial. 📚 Vehicle History Brand Heritage Manufacturer: Aprilia is an Italian manufacturer known for its performance-oriented motorcycles,...