🏷️ Basic Information Identification Make: Aprilia Model: RS4 125 4T Model Years Covered: 2011, 2012, 2013, 2014 Vehicle Type: Sportbike Motorcycle Generation Generation Code: First Generation RS4 125 👋 Introduction Market Position Target Audience: Do-it-yourself enthusiasts and experienced mechanics owning an Aprilia RS4 125 4T. Competitive Analysis Advantage Over Print: More affordable, convenient digital format, instant access, printable pages as needed. Key Features Completeness: Complete official full factory service repair manual covering all styles. Cost Effectiveness: Inexpensive way to keep the vehicle working properly, saving on mechanic costs. Ease Of Use: Easy to use, step-by-step instructions, intuitive navigation. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service and repair for all aspects of the Aprilia RS4 125 4T. Page Count Estimated Page Count: Hundreds of pages (exact count not specified, but indicates extensive detail). Manual Type Type: Factory Service Repair Manual / Workshop Manual Language Language: English Format Digital Format: PDF Accessibility: Downloadable, Printable, Viewable on PC, Mac, Smartphones, Tablets, Web Browser 📖 Manual Coverage Systems Covered Engine Systems: Fuel System, Cooling System, Engine Top End, Engine Lubrication System, Crankshaft, Transmission. Drivetrain Systems: Clutch, Transmission, Final Drive. Chassis Systems: Wheels, Tires, Brakes, Suspension, Steering, Frame. Electrical Systems: Complete Electrical System. Procedures Included Maintenance Procedures: Scheduled maintenance, general upkeep, fluid changes, filter replacements. Repair Procedures: Step-by-step instructions for component repair, diagnostics, and complete disassembly/reassembly. Troubleshooting: Diagnosis of common issues and systematic problem-solving guidance. Technical Depth Depth: From basic DIY repairs to advanced mechanical procedures, suitable for enthusiasts and professional mechanics. Visuals: Hundreds of photos and illustrations accompanying procedures. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text within the PDF, standard for professional manuals. Print Quality Printable: Yes, individual pages or the entire manual can be printed. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) Software Requirements Reader Requirement: Adobe PDF Reader (free) Compression Requirement: Winzip (free, for potential archive extraction) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke (4T) Engine Displacement: 125cc (Nominal) Performance Power Output Estimate: Typically around 15 hp (for a 125cc learner-legal sportbike), though specific figures require consulting the manual. Fuel System Fuel Delivery: Likely electronic fuel injection (EFI), common for this era and performance level. Fuel Type: Unleaded gasoline. 🔧 Transmission Standard Transmission Type: Likely a 6-speed manual gearbox. Features Clutch Type: Wet, multi-plate clutch. 📐 Dimensions Exterior Body Style: Full fairing sportbike. Weights Curb Weight Estimate: Around 130-140 kg (dry weight usually quoted, curb weight slightly higher with fluids). 🛡️ Safety Features Active Features Braking System Front: Single disc brake, likely with a four-piston radial caliper (specifics detailed in manual). Braking System Rear: Single disc brake, likely with a single-piston caliper. Suspension Front: Upside-down (USD) telescopic forks. Passive Features Lighting: Halogen or LED headlight, LED taillight. 💡 Technology Features Infotainment Instrument Cluster: Digital LCD display providing speed, RPM, fuel level, gear indicator, trip meters, and warning lights. Driver Assistance ABS: ABS (Anti-lock Braking System) may be optional or standard depending on the specific market configuration. Manual will specify. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 km or annually, refer to manual for exact specifications. Spark Plug Replacement: Varies, but generally around 10,000-15,000 km. Specific type and gap in manual. Fluid Specifications Engine Oil Type Estimate: Semi-synthetic or fully synthetic 10W-40 motorcycle-specific engine oil. Coolant Type: Ethylene glycol-based antifreeze/coolant mixture. Brake Fluid Type: DOT 4 brake fluid. Known Issues Common Wear Items: Chain and sprockets, brake pads, tires, clutch plates (depending on riding style). Potential Electrical Issues: Corrosion in connectors or battery terminal issues can occur over time, as with any motorcycle. Detailed diagnostics are in the manual. 📚 Vehicle History Brand Heritage Manufacturer: Aprilia is an Italian manufacturer known for its performance-oriented motorcycles, particularly in the sportbike and off-road segments. Model Evolution Predecessor: The RS4 125 succeeded models like the Aprilia RS 125, featuring a modern chassis and updated styling. Production Manufacturing Origin: Italy 🏆 Awards & Recognition Recognitions Market Reception: The Aprilia RS4 125 4T was generally well-received for its sporty styling, performance, and handling in the 125cc segment.