🏷️ Basic Information Identification Make: Aprilia Model: RS4 125 4T Year: 2012 Product Name: Aprilia RS4 125 4T 2012 Workshop Repair Service Manual PDF Download Codes Engine Code: Not specified, but assumed to be the standard 125cc 4-stroke engine for the RS4 125 👋 Introduction Market Position Target Audience: Aprilia RS4 125 4T 2012 owners, DIY mechanics, and professional service technicians. Competitive Analysis Value Proposition: Provides comprehensive diagnostic, repair, and maintenance information identical to what is used by authorized service centers, enabling cost savings on repairs and proactive maintenance. Key Features Completeness: Guaranteed complete and intact with no missing or corrupt parts, covering all models, engines, trims, and transmission types for the 2012 Aprilia RS4 125 4T. Accuracy: Represents original factory manual information, ensuring the highest level of accuracy for repairs and maintenance. Usability: Features easy-to-follow instructions, clear diagrams, and a numbered table of contents for efficient information retrieval. 📋 Manual Details Coverage Areas General Information: True Fuel System: True Cooling System: True Engine Top End: True Clutch: True Engine Lubrication System: True Engine Removal Installation: True Crankshaft Transmission: True Wheels Tires: True Final Drive: True Brakes: True Suspension: True Steering: True Frame: True Electrical System: True Appendix: True Wiring Diagrams: True Troubleshooting: True All Models Trims Engines: True Page Count Estimated Page Count: Hundreds of pages (as stated in description) Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Delivery Method: Instant Download Requirements: Adobe PDF Reader, WinZip Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Mechanical: Comprehensive coverage including top end, lubrication, removal/installation, crankshaft, and transmission. Fuel System: Detailed information on fuel delivery, injection system components, and related diagnostics. Cooling System: Information on coolant flow, radiator, fan, water pump, and thermostat operation. Clutch System: Service and repair procedures for the clutch assembly, including adjustment and replacement. Transmission System: Details on gear shifting mechanisms, internal components, and service procedures. Brake System: Coverage of hydraulic systems, caliper service, pad replacement, and bleeding procedures. Suspension System: Front fork service, rear shock absorber, and related adjustments. Steering System: Handlebar assembly, steering head bearing service, and alignment. Electrical System: Extensive coverage including starting system, ignition, lighting, charging system, and detailed wiring diagrams. Wheels And Tires: Information on wheel bearing service, tire mounting, and balancing. Final Drive: Chain and sprocket inspection, maintenance, and adjustment. Frame And Bodywork: Chassis inspection, body panel removal/installation, and related fasteners. Procedures Included Maintenance: Regular scheduled maintenance, fluid checks, filter replacements, and component inspections. Repair: Detailed step-by-step repair procedures for all covered systems. Disassembly: Comprehensive instructions for disassembling various vehicle components. Assembly: Detailed instructions for reassembling components after service or repair. Troubleshooting: Diagnostic procedures, common fault identification, and corrective actions. Diagnostics: Methods for diagnosing electrical and mechanical issues, often with specific test procedures. Technical Specifications: Inclusion of critical torque values, tolerances, and fluid capacities. Wiring Diagram Interpretation: Guidance on reading and understanding the included wiring schematics. Technical Depth Depth: Professional-level detail, suitable for both DIY enthusiasts and independent repair shops. Visual Aids: Abundant diagrams, drawings, and photos to illustrate procedures. Critical Information Highlighting: Use of notes, cautions, and warnings to emphasize critical steps and potential pitfalls. 📊 Manual Specifications File Format Format: PDF Print Quality: Full Printable Zoom Functionality: YES Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Type: Single-cylinder, four-stroke (4T) Displacement: 125cc Cooling System: Liquid-cooled Performance Horsepower Output: Typically around 15 hp (subject to regional regulations) for the 125cc class, detailed in manual. Torque Output: Specific torque figures will be detailed within the manual. Fuel System Induction: Likely electronic fuel injection (EFI) for the 2012 model, with detailed system information in the manual. Fuel Type: Unleaded gasoline, specified in manual. 🔧 Transmission Standard Type: 6-speed manual transmission Features Clutch Type: Wet, multi-plate clutch Gear Ratios: Specific gear ratios will be detailed in the manual. 📐 Dimensions Exterior Wheelbase: Specific dimensions will be detailed in the manual. Weights Dry Weight: Approximately 135-140 kg, precise figure in manual. Front Tire Size: Commonly 110/70-17, details in manual. Rear Tire Size: Commonly 130/70-17, details in manual. 🛡️ Safety Features Active Features Braking System: Front and rear disc brakes, with specific component details and service procedures in the manual. ABS: Availability of ABS would be model/trim dependent and specified in the manual if applicable. 💡 Technology Features Infotainment Dashboard: Likely a digital/analog combination instrument cluster providing speed, RPM, fuel level, and warning lights. Specific functions detailed in manual. Driver Assistance Rider Aids: Minimal rider aids expected on a 125cc sportbike of this era, focus is on mechanical and electrical systems. ABS may be an option, check manual. 🔧 Maintenance Service Intervals Oil Change Interval: Specific intervals (e.g., every 4,000-6,000 km) will be detailed in the manual. Spark Plug Replacement: Recommended replacement intervals will...