🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 2009 Codes Model Code: AP06 👋 Introduction Market Position Segment: Lightweight Supersport / Performance Motorcycle Target Audience: Enthusiast riders, track day participants, DIY mechanics, and aspiring racers. Competitive Analysis Competitors 2009: Yamaha YZF-R125, Honda CBR125R, Kawasaki Ninja 125 (market dependent). Key Features Design Philosophy: Aggressive styling, race-inspired ergonomics, and a potent 2-stroke engine for its class. Engine Type Advantage: The 2-stroke engine provides a high power-to-weight ratio and characteristic 'ring-ding' sound, appealing to performance enthusiasts. Handling Characteristics: Renowned for its agile handling and capable chassis, making it a favorite for spirited riding and track use. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: Downloadable PDF Completeness: Complete official factory documentation 📖 Manual Coverage Systems Covered Engine: Detailed breakdown of the Rotax 125cc 2-stroke engine, including top-end, bottom-end, cooling system, lubrication, and fuel/air mixture. Fuel System: Carburetor tuning (Dell'Orto PHBH 28), fuel pump, fuel lines, and fuel tank maintenance. Ignition System: CDI ignition, spark plug specifications, timing adjustments, and troubleshooting. Transmission: 6-speed gearbox, clutch operation, linkage adjustments, and gearbox oil specifications. Frame And Suspension: Chassis inspection, frame integrity, front fork (upside-down) overhaul and adjustment, rear shock absorber specifications and maintenance. Brakes: Front and rear hydraulic brake systems, caliper maintenance, master cylinder overhaul, brake fluid type and bleeding procedures, rotor inspection. Electrical System: Wiring diagrams, battery maintenance, lighting system, starter motor, generator, fuses, relays, and instrument cluster diagnostics. Cooling System: Radiator, hoses, thermostat, coolant type, capacity, and bleeding procedures. Exhaust System: Exhaust pipe and silencer inspection, gasket replacement. Wheels And Tires: Wheel bearing maintenance, tire pressure recommendations, and tire replacement procedures. Bodywork And Fairings: Fairing removal and installation, seat, tank, and paneling components. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, chain lubrication and adjustment, brake checks, and bolt torque specifications. Troubleshooting: Systematic diagnostic guides for common performance issues, starting problems, electrical faults, and braking anomalies. Repair: Step-by-step instructions for engine rebuilds, gearbox repairs, suspension servicing, electrical component replacement, and bodywork repairs. Disassembly And Assembly: Complete instructions for stripping down and reassembling major components and systems. Wiring Diagrams: Detailed, high-resolution electrical schematics for the entire motorcycle. Torque Specifications: Precise torque values for all critical fasteners and bolts. Technical Depth Depth Level: Comprehensive Factory Level - Covers everything from basic fluid checks to complete engine and transmission rebuilds. Diagnostic Capability: Advanced diagnostic procedures and troubleshooting flowcharts for identifying and resolving complex issues. Special Tools: Lists and descriptions of required special tools for specific repair procedures. 📊 Manual Specifications File Format Format: PDF Searchable: Yes Printable: Yes Print Quality Resolution: High resolution for clear text and images Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: 2-Stroke Single Cylinder Cooling: Liquid-cooled Displacement: 124.8 cc Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: 12.4:1 Valvetrain: Reed valve induction, Aprilia Exhaust Power Valve (AEPV) Performance Horsepower: Approx. 30-33 hp (varies by market/derestriction) Torque: Approx. 20 Nm (varies by market/derestriction) Fuel System Carburetor: Dell'Orto PHBH 28 CD Fuel Type: Unleaded gasoline (min. 95 RON recommended) Oil Mixture: Separate oil injection system (premix or automatic injection) 🔧 Transmission Standard Type: 6-speed constant mesh Clutch: Wet multi-plate Final Drive: Chain drive (RK 520 series) Features Gear Ratios: Specific ratios detailed in manual Gearbox Oil Type: SAE 75W/90 or SAE 80W API GL-4 📐 Dimensions Exterior Length: Approx. 1945 mm Width: Approx. 760 mm (at handlebars) Height: Approx. 1065 mm (at seat) Wheelbase: Approx. 1345 mm Weights Dry Weight: Approx. 131 kg Wet Weight: Approx. 145 kg (with fluids) Max Load: Typically 180 kg (rider + luggage) Wheels And Tires Front Tire: 110/70-17 Rear Tire: 140/70-17 Wheel Bolt Pattern: N/A (Cast aluminum wheels) Front Brake Size: 320 mm Disc Rear Brake Size: 220 mm Disc 🛡️ Safety Features Ratings Crash Test Data: N/A for motorcycles; emphasis on design and component integrity for rider protection. Active Features Braking System: Powerful dual hydraulic disc front brake and single rear disc brake for effective stopping power. Suspension Stability: Upside-down front forks and adjustable rear monoshock contribute to stability during braking and cornering. Passive Features Chassis Design: Robust twin-spar aluminum frame designed for rigidity and predictable handling. Ergonomics: Sportbike riding position, though more forgiving than larger supersports, encouraging rider control. 💡 Technology Features Infotainment Infotainment System: Basic analog/digital instrument cluster with speedometer, tachometer, odometer, trip meter, and essential warning lights. Driver Assistance ABS: ABS was not standard on the 2009 RS125 model. Connectivity Connectivity Features: None; this is a performance-oriented motorcycle without modern connectivity features. 🔧 Maintenance Service Intervals Oil Change Engine: Every 5,000 km or annually, or as per manual recommendation based on usage. Air Filter Cleaning: Inspect every 5,000 km, clean or replace as needed. Spark Plug Replacement: Every 10,000 km or as per...