🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 2008 Sub Model: RS 125 Codes Engine Code: Rotax 122 Generation Generation: Third Generation (95-08) 👋 Introduction Market Position Market Position: The Aprilia RS125 has long been a benchmark in the 125cc sportbike segment, appealing to younger riders and those seeking a lightweight, agile performance machine. Competitive Analysis Competitors: Competed against models like the Yamaha YZF-R125, Cagiva Mito 125, and Honda CBR125R. Key Features Key Features: Aggressive styling, potent two-stroke engine (pre-2011 models), advanced chassis components (e.g., upside-down forks, aluminum swingarm), and racing heritage. 📋 Manual Details Coverage Areas Primary Coverage: All Models/Engines/Trim/Transmissions Types Page Count Estimated Page Count: Hundreds of pages (as stated in description) Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader & WinZip Compatibility Operating Systems: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Systems: Fuel system, Cooling system, Engine top end, Clutch, Engine lubrication system, Crankshaft/Transmission Chassis Systems: Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame Electrical Systems: Electrical System, Wiring Diagrams Procedures Included Maintenance Procedures: Scheduled maintenance, Fluid changes, Filter replacements, Spark plug service Repair Procedures: Engine disassembly/assembly, Transmission overhaul, Brake system repair, Suspension adjustments, Electrical component replacement Diagnostic Procedures: Troubleshooting, Fault diagnosis, Electrical system diagnostics General Information: Includes general information relevant to the motorcycle's operation and specifications. Appendix: Likely includes specifications, torque values, and other reference data. Technical Depth Technical Depth: Comprehensive diagnostic, repair, and maintenance information for professional technicians Illustrations Diagrams: Hundreds of diagrams and detailed information for specific vehicle or equipment repair, including wiring diagrams. Repair Guidance: Step-by-step repair procedures, critical specifications, illustrations/photos, disassembly, assembly, cleaning, and reinstallation procedures. Diagnostic Guidance: Troubleshooting and electrical service procedures combined with detailed wiring diagrams. Notes Cautions: Notes, cautions, and warnings throughout each chapter to pinpoint critical information. Instruction Format: Numbered instructions, bold figure numbers for matching illustrations. 📊 Manual Specifications File Format Print Quality: Full Printable Zoom Capability: YES Binding Type Binding Type: Digital Download (PDF) Paper Type Paper Type: Not Applicable (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, single-cylinder, liquid-cooled (Rotax 122) Performance Bore X Stroke: 54 x 54.5 mm Displacement: 124.8 cc Power Output: Approximately 33-34 HP at 11,000 RPM (restricted for A1 license, unrestricted is higher) Torque: Approximately 23 Nm at 10,000 RPM Fuel System Fuel Delivery: Carburetor (often Dell'Orto PHBH 28) Ignition System: Electronic Ignition (CDI) Engine Lubrication Lubrication System: Pre-mix or automatic oil injection system Engine Top End Cylinder Design: Nikasil-plated cylinder Reed Valve System: Advanced reed valve induction 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Features Clutch Type: Wet multi-plate clutch Final Drive: Chain drive (520 pitch) 📐 Dimensions Weights Dry Weight: Approximately 131 kg (288.8 lbs) Wet Weight: Approximately 143 kg (315 lbs) Exterior Length: Approx. 1950 mm (76.8 in) Width: Approx. 720 mm (28.3 in) Height: Approx. 1060 mm (41.7 in) Wheelbase: Approx. 1375 mm (54.1 in) Seat Height: Approx. 810 mm (31.9 in) 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycle specific safety features are primary) Active Features Braking System: Front: Dual piston caliper with 320mm disc. Rear: Single piston caliper with 220mm disc. Optional ABS might be available on certain markets/variants. Suspension Front: Upside-down telescopic forks (e.g., Marzocchi 40mm) Suspension Rear: Monoshock with adjustable preload and rebound damping Passive Features Frame Construction: Aluminum alloy twin-spar frame 💡 Technology Features Infotainment Infotainment System: Basic analog instrument cluster with tachometer, speedometer, odometer, and indicator lights. Driver Assistance Driver Assistance Features: Not applicable for this motorcycle model. Connectivity Connectivity Features: Not applicable for this motorcycle model. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific interval, typically based on mileage or operating hours. Check 2-stroke oil level regularly. Spark Plug Replacement: Refer to manual, typically every 5,000-10,000 km or annually. Top End Rebuild: Two-stroke engines may require top-end rebuilds (piston, rings, cylinder) based on usage and maintenance, typically after significant mileage. Fluid Specifications Engine Oil Type: Fully synthetic 2-stroke engine oil (API TC, JASO FD or higher recommended) Coolant Type: Ethylene glycol-based coolant, 50/50 mix with distilled water Brake Fluid Type: DOT 4 Known Issues Known Issues: Common issues can include carburetor tuning problems, exhaust valve sticking (power valve), crank seals, and general wear and tear on a performance-oriented 2-stroke engine. Maintenance Importance: Diligent maintenance is crucial for the longevity and optimal performance of the high-strung Rotax 122 engine. 📚 Vehicle History Brand Heritage Brand Heritage: Aprilia is an Italian motorcycle manufacturer with a strong racing pedigree, particularly in smaller displacement categories. Model Evolution Model Evolution: The RS125 has been in production for many years with various updates. The 2008 model represents the pinnacle of the two-stroke era for this model before the introduction of four-stroke variants in later years. Production Production Origin:...