🏷️ Basic Information Identification Make: Aprilia Model: RS4 125 4T Model Year: 2011-2014 Codes Engine Code Family: 4-stroke single-cylinder (specific engine code not provided in product info, but typical for this class) 👋 Introduction Market Position Target Audience: Owners and professional technicians seeking detailed service and repair information for the Aprilia RS4 125 4T Competitive Analysis Value Proposition: Inexpensive alternative to expensive dealership services, providing complete factory-level repair guidance Key Features Manual Highlight 1: Hundreds of pages with detailed photos and illustrations Manual Highlight 2: Step-by-step instructions based on complete disassembly Manual Highlight 3: Notes, cautions, and warnings for critical information Manual Highlight 4: Detailed wiring diagrams for electrical system troubleshooting Manual Highlight 5: Printable format for convenient access during repairs 📋 Manual Details Coverage Areas Primary Coverage: Workshop Service Repair Secondary Coverage: General Information, Fuel System, Cooling System, Engine Top End, Clutch, Lubrication System, Engine Removal/Installation, Crankshaft/Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame, Electrical System, Appendix, Troubleshooting Page Count Estimated Page Count: Hundreds of pages (specific number not provided, typical for comprehensive workshop manuals) Manual Type Manual Format: Official Full Factory Service Repair Manual Language Language: English Format Delivery Format: Downloadable PDF 📖 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: Complete Electrical System, Troubleshooting and Electrical Service Procedures, Wiring Diagrams Procedures Included Maintenance Procedures: Routine maintenance, fluid changes, filter replacements, inspections Repair Procedures: Step-by-step instructions for disassembly, repair, and reassembly of all major components and systems Diagnostic Procedures: Troubleshooting guidance for common issues, diagnostic steps for electrical and mechanical problems Engine Rebuild: Complete disassembly and reassembly of the engine, including top end, crankshaft, and transmission Technical Depth Depth Of Information: Comprehensive, designed for both do-it-yourselfers and experienced mechanics, based on complete disassembly 📊 Manual Specifications File Format File Type: PDF Compatibility: All PC-based Windows operating systems and Mac Print Quality Printability: Printable in its entirety or specific pages without restriction Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download, user prints on own media) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, single-cylinder Engine Displacement: 125cc (as indicated by model name) Performance Horsepower: Typically around 15 hp (for licensing purposes in many regions), exact figures would be in the manual Torque: Specific torque figures are not provided in the product description, but would be detailed in the manual. Fuel System Fuel Delivery: Likely electronic fuel injection (EFI) for this generation and model, though carburetors were still present on some 125cc models of this era. The manual will specify. Fuel Type: Unleaded gasoline (standard) Cooling System Cooling Method: Liquid-cooled (typical for Aprilia sportbikes of this displacement) Lubrication System Oil Type: Specific oil type and capacity will be detailed in the manual (likely SAE 10W-40 or 15W-50 semi-synthetic or fully synthetic motorcycle oil). 🔧 Transmission Standard Transmission Type: 6-speed manual gearbox Optional Optional Transmissions: N/A (125cc sportbikes of this era typically only offered manual transmission) Features Clutch Type: Wet, multi-plate clutch (common for motorcycles) Final Drive Type: Chain drive 📐 Dimensions Exterior Dimensions: Specific dimensions (length, width, height) are not provided in the product information but are detailed in the manual. Weights Dry Weight: Specific dry weight is not provided in the product information but is detailed in the manual. Typically around 140-150 kg for this class. 🛡️ Safety Features Ratings Safety Features: Brake system specifications (front and rear), ABS availability (if applicable to specific models/years within the range) will be detailed in the manual. Active Features Braking System: Front and rear disc brakes (specific caliper types and disc sizes detailed in manual). 💡 Technology Features Infotainment Dashboard Features: The manual covers the electrical system, which would include diagnostics for the digital dashboard, lighting, and ignition systems. Driver Assistance ABS Availability: ABS (Anti-lock Braking System) may have been an option on some models within this range; the manual will clarify its presence and service procedures. Connectivity Wiring Diagrams: Detailed wiring diagrams are a key feature, essential for diagnosing and repairing the electrical system. 🔧 Maintenance Service Intervals Oil Change Interval: Specific service intervals for oil changes, filter replacements, valve clearance checks, etc., are detailed within the manual. Fluid Specifications Coolant Type: The manual will specify the correct type of coolant and mixture ratio (e.g., ethylene glycol-based antifreeze). Brake Fluid Type: The manual will specify the required brake fluid type (e.g., DOT 4). Gearbox Oil Type: The manual will detail the correct type and quantity of gearbox oil. Known Issues Common Wear Items: The manual will likely cover common wear items for this model, such as tires, brake pads, chain and sprockets, and potential electronic sensor issues. 📚 Vehicle History Brand Heritage Manufacturer Heritage: Aprilia is an Italian manufacturer with a strong heritage...