🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 2006 Codes Engine Code: Rotax 122 (assumed, common for this model) 👋 Introduction Market Position Positioning: High-performance lightweight sportbike, popular for track days and spirited street riding. Competitive Analysis Competitors: Yamaha YZF-R125, Honda CBR125R, Kawasaki Ninja 125. Key Features Features: Aggressive styling, high-revving two-stroke engine (typical for this era), advanced chassis components, lightweight construction. 📋 Manual Details Coverage Areas Coverage: All Models, Engines, Trim, Transmissions Types for Aprilia RS125 2006 Page Count Page Count: Hundreds of pages (as stated in description) Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download Zoom Functionality Zoom In Out: YES Delivery Method Delivery: Instant Download Requirements Software Requirements: Adobe PDF Reader & WinZip Compatibility Operating Systems: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Systems: General Information, Fuel System, Cooling System, Engine Top End, Clutch, Engine Lubrication System, Engine Removal/Installation, Crankshaft/Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame, Electrical System, Appendix Electrical System Coverage: Detailed diagnostics and repair of the electrical system, including wiring diagrams. Procedures Included Procedures: Service, Maintenance, Troubleshooting, Diagnostic, Repair, Disassembly, Assembly, Cleaning, Reinstallation, Electrical Service Procedures Repair Procedures: Step-by-step repair procedures, including disassembly, assembly, cleaning, and reinstallation. Diagnostic Procedures: Most comprehensive diagnostic information as used by professional technicians. Technical Depth Depth: Professional Technical, Detailed Step-by-Step Procedures, Critical Specifications, Troubleshooting and Electrical Diagrams Data Accuracy: Original manufacturer information, most accurate and complete available. Critical Information: Notes, cautions, and warnings throughout each chapter pinpoint critical information. Instruction Format: Numbered instructions guide you through every repair procedure step by step. Bold figure numbers help quickly match illustrations with instructions. Part Identification: Enlarged inset helps identify and examine parts in detail. Diagrams Illustrations: Hundreds of pages of diagrams and detailed information, including electrical wiring diagrams. Troubleshooting Troubleshooting Guides: Comprehensive troubleshooting and electrical service procedures combined with detailed wiring diagrams. Navigation Table Of Contents: Numbered table of contents for easy and fast information retrieval. 📊 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: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, 2-stroke, liquid-cooled Displacement: 124.8 cc (approximate, common for RS125) Bore X Stroke: 54 x 54.5 mm (typical for Rotax 122) Power Output: Approx. 30-34 HP (depending on market restrictions and tuning) Torque: Approx. 23 Nm (17 lb-ft) at ~8,000 RPM (typical) Performance Redline: Approx. 10,500 - 11,000 RPM Compression Ratio: Approx. 12.5:1 (typical for performance 2-stroke) Fuel System Carburetor: Dell'Orto PHBH 28 (common, manual will detail settings) Fuel Type: Unleaded gasoline, minimum 95 octane recommended. Fuel Capacity: 7.5 Liters (1.98 US gallons, approximate) Engine Lubrication Lubrication Type: Premix or separate oil injection system (manual will specify details). Oil Type: High-quality 2-stroke motorcycle oil (API TC or JASO FD rated). Cooling System Cooling Type: Liquid-cooled with thermostat-controlled fan assist. 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Features Clutch Type: Wet multi-plate clutch Final Drive: Chain drive 📐 Dimensions Weights Dry Weight: Approx. 130 kg (287 lbs) Wet Weight: Approx. 140 kg (309 lbs) Exterior Length: Approx. 1950 mm (76.8 in) Width: Approx. 720 mm (28.3 in) (excluding mirrors) Height: Approx. 1140 mm (44.9 in) (seat height) Wheelbase: Approx. 1375 mm (54.1 in) Seat Height: Approx. 820 mm (32.3 in) 🛡️ Safety Features Active Features Brakes Front: Single 320mm disc with 4-piston caliper (e.g., Brembo) Brakes Rear: Single 220mm disc with 2-piston caliper Passive Features Chassis Frame: Aluminum twin-spar perimeter frame Suspension Front: Upside-down telescopic forks, 40mm diameter (e.g., Marzocchi or Showa), adjustable preload/rebound (common) Suspension Rear: Monoshock with progressive linkage, adjustable preload/rebound 💡 Technology Features Infotainment Infotainment System: Not applicable (basic instrumentation). Driver Assistance Assistance Features: None (mechanical systems). Connectivity Connectivity Features: None. 🔧 Maintenance Service Intervals Oil Change: Every 3,000 km or 12 months (engine oil for gearbox), manual will specify precise intervals. Spark Plug Check: Every 2,000 km or annually. Top End Rebuild: Recommended every 10,000 - 15,000 km for optimal performance on 2-stroke engines. Air Filter Cleaning: Recommended every 2,000 - 3,000 km, or more frequently in dusty conditions. Fluid Specifications Engine Oil Type: Refer to manual for specific gearbox oil specification (e.g., SAE 75W/90 synthetic). Coolant Type: Ethylene glycol based coolant with corrosion inhibitors (50/50 mix with distilled water recommended). Known Issues Common Problems: Carburetor jetting sensitivity, potential for wear on the power valve system, occasional electrical gremlins, clutch wear. Preventative Maintenance: Regular cleaning of the air filter, proper oil mix for fuel, consistent chain lubrication, and checking spark plug condition are crucial. 📚 Vehicle History Brand Heritage Heritage: Aprilia has a strong racing heritage, particularly in smaller displacement classes, known for performance-oriented sportbikes. Model Evolution Evolution: The RS125 has been a staple in Aprilia's lineup for many years, evolving with chassis...