🏷️ Basic Information Identification Make: Aprilia Model: RS125 Model Alias: RS 125 Codes Product Code: APRILIA-RS125-1993-2006-SRM 👋 Introduction Market Position Target Audience: Professional motorcycle technicians, experienced DIY mechanics, Aprilia RS125 enthusiasts Value Proposition: Provides essential, detailed information to maintain, repair, and optimize the Aprilia RS125 for peak performance and longevity. Competitive Analysis Manual Superiority: Offers a level of detail and scope typically found in manufacturer-supplied workshop manuals, covering a significant production span. Key Features Document Scope: Covers multiple model year variations and potential component updates within the 1993-2006 range. User Friendliness: Clear diagrams, schematics, and step-by-step instructions enhance ease of use for complex procedures. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics, Component Overhaul Page Count Estimated Pages: Approximately 400-600 (typical for this era and scope) Manual Type Type: Service Repair Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine: 2-Stroke Rotax 125cc engine (various iterations), cooling system (liquid), lubrication system Fuel System: Carburetor tuning and overhaul (e.g., Dell'Orto PHBH, VHSH), fuel delivery, fuel tank, petcock Ignition System: CDI ignition, spark plugs, stator, CDI unit, wiring diagrams Transmission: 6-speed gearbox, clutch operation and overhaul, gearbox oil specifications Frame And Suspension: Frame construction, front fork (e.g., Marzocchi, Paioli) disassembly and service, rear monoshock suspension (e.g., Sachs, White Power) and linkage service Brakes: Front and rear hydraulic disc brakes, caliper service, master cylinder overhaul, brake fluid specifications Electrical System: Wiring diagrams, lighting, battery, charging system, starter, instrumentation, fuses Cooling System: Radiator, coolant hoses, water pump, thermostat, coolant specifications Exhaust System: Expansion chamber, muffler, reassembly and tuning considerations Bodywork And Fairings: Fairing removal, installation, and repair Procedures Included Routine Maintenance: Oil changes, spark plug replacement, chain adjustment, brake fluid flush, filter replacements Troubleshooting: Diagnostic guides for common starting, running, and electrical issues Engine Overhaul: Top-end rebuild (piston, rings, cylinder), bottom-end rebuild (crankshaft, bearings), sealing procedures Suspension Service: Fork seal replacement, oil level and viscosity adjustments, shock absorber servicing Brake System Repair: Pad replacement, caliper rebuild, bleeding procedures Electrical Diagnostics: Tracing faults using wiring diagrams, component testing Carburetor Tuning: Jetting, needle position, idle speed adjustments for optimal performance and fuel economy Technical Depth Depth Level: Comprehensive: Covers routine maintenance to complete engine and chassis rebuilds Diagnostic Capabilities: Detailed troubleshooting flowcharts and symptom-based diagnostics Rebuild Instructions: Step-by-step instructions with torque specifications and clearances for all major components 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable (OCR processed for efficient information retrieval) Print Quality Print Readability: High resolution, suitable for printing individual pages or the entire manual Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Software Requirements PDF Reader: Adobe Acrobat Reader or compatible PDF viewer ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, single-cylinder Engine Displacement: 124.8 cc (approx.) Bore X Stroke: Typically 54 mm x 54.5 mm (may vary slightly by year) Engine Cooling: Liquid-cooled Engine Valvetrain: Rotary disc valve intake Engine Induction: Dell'Orto Carburetor (e.g., PHBH 28/30, VHSH 30) Performance Horsepower: Approximately 30-34 HP at 10,500 RPM (depending on specific model year and restrictions) Torque: Approximately 18-20 Nm at 10,000 RPM (depending on specific model year) Fuel System Fuel Type: Unleaded gasoline (RON 95 or higher recommended) Fuel Mixture: Premix (manual) or Automatic (Rotax oil injection system) 🔧 Transmission Standard Transmission Type: Constant mesh, 6-speed manual Clutch Type: Wet multi-plate, cable-actuated Features Gearbox Oil: API GL-4, SAE 75W/90 or 10W/40 (refer to manual for specific viscosity recommendations) Clutch Adjustment: Cable free play adjustment 📐 Dimensions Exterior Length: Approx. 1960 mm Width: Approx. 730 mm Height: Approx. 1135 mm Wheelbase: Approx. 1345 mm Weights Dry Weight: Approx. 132 kg Wet Weight: Approx. 147 kg (fully fueled) Fuel Tank Capacity: Approx. 14 Liters 🛡️ Safety Features Ratings Safety Standards: Compliant with European motorcycle safety regulations of the period. Active Features Braking System: Powerful dual disc front brake, single disc rear brake Tires: Sport-oriented tire sizes (e.g., 110/70-17 front, 150/60-17 rear) providing good grip. Passive Features Chassis Design: Sturdy perimeter frame for chassis rigidity and predictable handling. 💡 Technology Features Infotainment Instrumentation: Analog tachometer, speedometer, odometer, trip meter, coolant temperature gauge, warning lights. Driver Assistance Electronic Aids: Minimal; primarily focused on mechanical performance and rider input. Connectivity Bike To Device: N/A (Pre-smartphone era) 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 km or annually (engine oil, gearbox oil separately) Spark Plug Replacement: Every 5,000-8,000 km Air Filter Cleaning Replacement: Every 3,000-6,000 km, depending on operating conditions Chain Lubrication Adjustment: Every 500-1,000 km Brake Fluid Flush: Every 2 years Fluid Specifications Engine Oil 2 Stroke: High-quality 2-stroke synthetic or semi-synthetic oil (e.g., Motul 710 2T, Castrol Power 1 TTS) for oil injection or pre-mix Gearbox Oil: SAE 75W/90 or 10W/40 API GL-4 (check manual for specific viscosity) Coolant: Ethylene glycol based antifreeze with corrosion...