🏷️ Basic Information Identification Make: Aprilia Model: RS125 Year: 2006 Codes Internal Model Code: Not specified, but typically varies by market (e.g., RP, RR) 👋 Introduction Market Position Target Audience: Enthusiasts, owners, and professional mechanics seeking detailed repair and maintenance information for the Aprilia RS125. Competitive Analysis Value Proposition: Provides an inexpensive way to maintain and repair the motorcycle, empowering users to perform their own work and save money. Key Features Visual Aids: Hundreds of photos and detailed illustrations guide the reader. Technical Detail: Includes torque specs, diagrams, wiring schematics, and step-by-step instructions. 📋 Manual Details Coverage Areas Primary Focus: Service, Repair, Maintenance, Rebuild, Restoration Secondary Focus: Troubleshooting, Diagnostics, Part Diagrams, Torque Specifications Page Count Total Pages: 194 Manual Type Type: Service Repair Manual Language Language: English Format File Format: PDF Distribution Method: Instant Download Storage: Can be saved to hard drive or burned to CD-ROM. Viewing: Can be viewed on any computer, zoomed, and printed. 📖 Manual Coverage Systems Covered Engine: Complete teardown and rebuild, lubrication, fuel system, cooling system Chassis: Comprehensive chassis service and repair Electrical: Complete electrical system diagnostics and repair, wiring schematics Maintenance: Routine maintenance procedures General: General information, foreword Suspension: Front forks and rear shock absorber adjustments and maintenance. Wheels Tires: Tire pressure, wheel bearing maintenance, and removal/installation procedures. Brakes: Brake fluid replacement, caliper service, master cylinder procedures. Exhaust: Maintenance of the exhaust system and power valve mechanism. Procedures Included Repair: All diagnostic and repair procedures covered Rebuild: Complete teardown and rebuild procedures Maintenance: Step-by-step maintenance instructions Troubleshooting: Comprehensive troubleshooting guidance Assembly: Detailed step-by-step assembly procedures following disassembly. Restoration: Guidance for refurbishing and restoring the motorcycle to its original condition. Technical Depth Depth: Suitable for do-it-yourselfers and experienced mechanics; covers complete disassembly and rebuild. Diagnostic Tools: Manual likely includes diagnostic procedures that can be performed with basic hand tools and multimeter. Engine Rebuild: Detailed procedures for cylinder head, piston, crankshaft, and gearbox overhaul. Wiring Schematics: Detailed wiring diagrams for electrical system troubleshooting and repairs. 📊 Manual Specifications File Format Requirements: Adobe PDF Reader Compatibility: All Versions of Windows & Mac, Linux OS, iPhone, iPad, Android etc. Print Quality Searchability: Searchable content for easy information retrieval Printability: Printable to CD-ROM or individual pages Binding Type Binding: Digital (PDF), printable Paper Type Paper Type: Not applicable (digital format), but implied high-quality for printout Completeness Completeness: 100% complete and intact, no missing/corrupt pages or sections ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder (standard for RS125 models of this era) Displacement: 125 cc Cooling System: Liquid-cooled Engine Designation: Typically a Rotax 123 or similar variant, known for its performance in the 125cc class. Performance Horsepower: Typically around 30-34 HP in unrestricted European versions; lower in restricted versions. Torque: Specific figures would be detailed within the manual, but characteristic of a high-revving 125cc two-stroke. Fuel System Carburetor: Likely a Dell'Orto PHBH 28 or similar performance-oriented carburetor. Fuel Type: Unleaded gasoline with two-stroke oil mixture (automatic injection system typically) Engine Ignition System: Electronic ignition (e.g., CDI) 🔧 Transmission Standard Transmission Type: 6-speed manual constant mesh gearbox Features Clutch Type: Wet multi-plate clutch 📐 Dimensions Exterior Chassis Type: Aluminum alloy twin-spar frame Weights Dry Weight: Approx. 130-140 kg (varies slightly by sub-model) 🛡️ Safety Features Active Features Brakes: Front: Disc brake (likely 320mm single disc with 4-piston caliper); Rear: Disc brake (likely 220mm single disc with 2-piston caliper). Passive Features Lighting: Halogen headlight, LED taillight (typical for the era). 💡 Technology Features Infotainment Instrumentation: Analog tachometer, digital speedometer, odometer, trip meter, engine temperature warning light. Driver Assistance ABS: ABS was typically an optional feature on RS125 models of this era, not standard. Connectivity Charging System: Standard alternator and battery charging system. 🔧 Maintenance Service Intervals Oil Change: Refer to manual for specific intervals; typically based on mileage or time for gear oil. Spark Plug Replacement: Refer to manual; critical for two-stroke performance and longevity. Top End Rebuild: Recommended periodically for two-stroke engines, especially if performance is paramount; manual will detail this. Fluid Specifications Engine Oil: High-quality two-stroke synthetic or semi-synthetic oil, specific grade as per manual. Coolant: Ethylene glycol-based antifreeze mixture with distilled water, specific ratio as per manual. Gearbox Oil: Specific gear oil viscosity and type (e.g., SAE 75W/90 or 10W/40 for gearboxes) as per manual. Known Issues Common Wear Items: Clutch plates, piston rings, spark plugs, exhaust power valve operation (carbon buildup), intake reed valves. Electrical: Age-related issues with wiring connectors, stator, or rectifier can occur. Cooling System: Potential for thermostat issues or radiator leaks if not maintained. Fuel System: Carburetor jetting adjustments, fuel line integrity, petcock functionality. 📚 Vehicle History Brand Heritage Manufacturer: Aprilia is an Italian manufacturer with a strong racing heritage, particularly in smaller displacement categories. Model Evolution Rs125 Lineage: The RS125 has been a popular sportbike for decades, evolving through various engine and chassis...