🏷️ Basic Information Identification Make: Aprilia Model: RS4 125 Year: 2014 Vehicle Type: Sportbike / Motorcycle Market Segment: Entry-level sportbike 👋 Introduction Market Position Market Position: Aimed at novice to intermediate riders seeking a stylish and performance-oriented 125cc sportbike, often serving as a first 'big bike' experience. Competitive Analysis Competitors: Yamaha YZF-R125, KTM RC 125, Honda CBR125R, Suzuki GSX-R125 (depending on regional availability). Key Features Key Features Vehicle: Aggressive styling reminiscent of larger Aprilia sportbikes, capable 125cc four-stroke engine, sporty chassis dynamics. Manual Value Proposition Value Proposition: Empowers owners to perform maintenance and repairs, saving significant costs and fostering a deeper understanding of the motorcycle. 📋 Manual Details Coverage Coverage Areas: All Models/Engines/Trim/Transmissions Types Format File Format: PDF Delivery Method: Instant Download Language Language: English Type Manual Type: Workshop Repair Service Manual Pages Page Count Estimated: Hundreds of pages 📖 Manual Coverage Systems Systems Covered: General Information, Fuel System, Cooling System, Engine Top End, Clutch, Engine Lubrication System, Crankshaft/Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame, Electrical System, Appendix Procedures Procedures Included: Service, Maintenance, Troubleshooting, Repair, Disassembly, Assembly, Cleaning, Reinstallation, Diagnostics Depth Technical Depth: Comprehensive (professional technician level) Diagnostics Diagnostic Information: Included Wiring Wiring Diagrams Included: Yes 📊 Manual Specifications File Features Printable: Full Printable Zoom Capability: Zoom IN/OUT Searchable: Likely (common PDF feature) Requirements Software Requirements: Adobe PDF Reader, WinZip Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 4-stroke, 4-valve, DOHC single-cylinder Performance Displacement: 124.2 cc Bore X Stroke: 54 mm x 54.5 mm Compression Ratio: 12.4:1 (approx.) Horsepower Claim: 15 hp (11 kW) at 10,000 rpm (typical for EU A1 license regulations) Torque Claim: 10.7 Nm at 8,000 rpm (approx.) Fuel System Fuel Delivery: Electronic Fuel Injection (e.g., Marelli or similar system) Ignition Ignition System: Electronic ignition with variable advance Cooling Cooling System: Liquid-cooled 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Clutch Clutch Type: Wet multi-plate clutch Drive Final Drive: O-ring sealed chain 📐 Dimensions Exterior Length: Approx. 1950 mm Width: Approx. 720 mm Height: Approx. 1130 mm Weights Dry Weight: Approx. 130 kg Wet Weight: Approx. 140 kg (estimated) Fuel Tank Capacity: 13 Liters (approx.) 🛡️ Safety Features Active Features Braking System Front: Hydraulic disc brake, approx. 300 mm diameter, radial-mount caliper Braking System Rear: Hydraulic disc brake, approx. 220 mm diameter, caliper ABS: Optional (check specific regional models) Passive Features Lighting: Halogen headlight, LED taillight Chassis Frame Type: Aluminum perimeter frame 💡 Technology Features Infotainment Instrument Cluster: Digital LCD display with speedometer, tachometer, fuel gauge, clock, trip meters, gear indicator. Driver Assistance ABS Availability: Optional (as mentioned in safety) Electrical Battery Type: Refer to manual (likely YTX9-BS or similar specification) 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual (typically 5,000-7,500 km or annually) Spark Plug Replacement: Refer to manual (typically 10,000-15,000 km) Fluid Specifications Engine Oil Type: Refer to manual (e.g., SAE 10W-40, API SG or higher, JASO MA/MA2) Coolant Type: Refer to manual (ethylene glycol-based antifreeze mixture) Brake Fluid Type: Refer to manual (DOT 4 recommended) Known Issues Common Issues: Potential for electrical gremlins, occasional fuel injector issues, stator/regulator problems (common in many bikes of this era, detailed in manual). Torque Specs Engine Bolt Torque Specs: Detailed in manual for critical components like cylinder head, crankcase bolts. Tire Pressure Tire Pressure Front: Refer to manual (typically 25-29 psi) Tire Pressure Rear: Refer to manual (typically 29-33 psi) 📚 Vehicle History Brand Heritage Brand Heritage: Aprilia boasts a rich racing heritage in various motorcycle disciplines, influencing the sporty design and handling of its road bikes. Model Evolution Model Evolution Lineage: The RS4 125 succeeded earlier models in Aprilia's 125cc sportbike lineup, evolving with modern technology and design cues. Production Manufacturing Origin: Italy (typically) 🏆 Awards & Recognition Recognitions Recognitions: While specific awards for the 2014 RS4 125 might not be widely publicized, Aprilia consistently receives recognition for its sportbike design and performance across its model range.