🏷️ Basic Information Identification Make: Aprilia Model: RS4 125 4T Year: 2012 Engine Type: 4-stroke 👋 Introduction Market Position Target Audience: Aprilia RS4 125 4T 2012 owners, mechanics, enthusiasts seeking detailed repair information Competitive Analysis Manual Type Comparison: Genuine factory manual, not a third-party alternative, offering unparalleled accuracy and completeness. Key Features Content Authenticity: Actual Genuine Repair Service Factory Manuals User Friendliness: Easy to use, no advanced computer skills required, step-by-step instructions, clear illustrations Cost Savings: Potential to save $50-$60 per hour on shop labor costs by enabling DIY servicing Searchability: Searchable PDF format for quick information retrieval Modularity: Print only the pages or chapters needed 📋 Manual Details Coverage Areas Primary Coverage: Complete factory service and repair Secondary Coverage: Maintenance, troubleshooting, diagnostics, rebuilding, restoration Page Count Estimated Pages: Hundreds (specific number not provided) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: General Information, Fuel System, Cooling System, Engine Top End, Clutch, Engine Lubrication System, Engine Removal/Installation, Crankshaft/Transmission Chassis And Running Gear: Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame Electrical And Electronics: Electrical System, Wiring Diagrams, Engine Management Systems Procedures Included Maintenance: Routine servicing, fluid checks and changes, component inspections Diagnostics: Engine fault symptom diagnosis, troubleshooting, advanced troubleshooting guide Repair And Rebuild: Step-by-step repair instructions, component testing, rebuilding procedures, installation/removal Tuning And Optimization: Engine tuning guidance Technical Depth Depth: Comprehensive, from basic maintenance to complete rebuilds, covering factory-trained technician level knowledge 📊 Manual Specifications File Format Format: PDF Compatibility: All PC based Windows operating systems and Mac Print Quality Printability: Printable without restriction, individual pages or entire manual Resolution: High Resolution Binding Type Type: Digital Download (printable) Paper Type Not Applicable: N/A (digital format) Requirements Software: Adobe PDF Reader Delivery Method: Instant download link provided after payment ⚙️ Engine Specifications Primary Engine Engine Code: Not Specified (refer to manual for specific engine code designation) Displacement: 125 cc Configuration: Single-cylinder, 4-stroke (details on bore, stroke, compression ratio available in manual) Valvetrain: DOHC (Dual Overhead Camshafts), 4 valves (specific valve timing and lift in manual) Performance Horsepower: Approximately 15 hp (refer to manual for exact specifications and regional variations) Torque: Refer to manual for exact torque figures and delivery curves Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) (specific injector type, fuel pressure, and ECU mapping details in manual) Ignition System: Electronic Ignition (refer to manual for spark plug type, gap, and ignition timing specifications) Cooling System Type: Liquid-cooled (details on radiator capacity, coolant type, thermostat operation in manual) 🔧 Transmission Standard Type: 6-speed sequential gearbox Features Clutch Type: Wet, multi-plate clutch (refer to manual for specific clutch plate friction material and actuation method) Gear Ratios: Refer to manual for specific gear ratios of each speed Final Drive: Chain drive (refer to manual for chain type, pitch, and recommended slack) 📐 Dimensions Exterior Length: Refer to manual for exact dimensions Width: Refer to manual for exact dimensions Height: Refer to manual for exact dimensions Weights Dry Weight: Approximately 130 kg (refer to manual for exact weight) Gross Vehicle Weight Rating: Refer to manual for GVWR Payload Capacity: Refer to manual for payload capacity 🛡️ Safety Features Ratings Not Applicable: Motorcycle safety ratings not typically provided in the same manner as automobiles. Active Features Braking System: Hydraulic disc brakes front and rear (refer to manual for caliper type, rotor size, and brake fluid specifications) Suspension System: Upside-down telescopic forks front, monoshock rear (refer to manual for suspension travel and damping adjustments) Passive Features Lighting: Halogen headlight, LED taillight/indicators (refer to manual for bulb types and specifications) Frame Construction: Aluminum twin-spar frame (refer to manual for frame type designation and material specifications) 💡 Technology Features Infotainment Not Applicable: As a 125cc sportbike, advanced infotainment systems are not a primary feature. The focus is on performance and rider feedback. Driver Assistance Not Applicable: Driver assistance features are not present on this model. Connectivity Not Applicable: No specific connectivity features are described for this model. Instrumentation Display Type: Digital dashboard (refer to manual for specific display functions, warning lights, and settings). 🔧 Maintenance Service Intervals Oil Change: Refer to manual for specific mileage or time intervals for engine oil and filter changes. Spark Plug Replacement: Refer to manual for recommended spark plug service intervals. Valve Clearance Adjustment: Refer to manual for valve clearance check and adjustment intervals. Fluid Specifications Engine Oil: Refer to manual for recommended API/JASO specifications and viscosity grade (e.g., SAE 10W-40). Coolant: Refer to manual for recommended coolant type and mixture ratio (e.g., ethylene glycol based). Brake Fluid: Refer to manual for recommended DOT specification (e.g., DOT 4). Transmission Oil: Refer to manual for transmission oil type and capacity (if applicable and separate from engine oil). Known Issues Common Wear Items: Tires, brake pads, chain and sprockets are typical wear...