🏷️ Basic Information Identification Make: Aprilia Model: RS4 125 Year: 2011-2014 Codes Vin Decoder Prefix: ZDA 👋 Introduction Market Position Target Audience: Aprilia RS4 125 owners with mechanical aptitude, independent repair shops, and DIY enthusiasts. Value Proposition: Provides dealership-level repair and maintenance information, enabling significant cost savings on servicing and repairs. Competitive Analysis Uniqueness: Vehicle-specific information, not generic. Matches the exact data used by authorized technicians. Key Features Content Quality: Accurate, clear, and concise text combined with diagrams and illustrations for easy comprehension. Completeness: Complete and intact, covering all major topics without missing or corrupt parts. 📋 Manual Details Coverage Areas Model Years Covered: 2011, 2012, 2013, 2014 Engine Variants Covered: 125cc Engine (specific engine code not provided in product info, but typical for RS4 125) Page Count Estimated Page Count: High (specific number not provided, but comprehensive coverage implies several hundred pages) Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete overhaul, disassembly, reassembly, tuning, diagnostics Transmission: Clutch, gearbox, internal components, operation, repair Drive System: Drive chain, sprockets, maintenance, replacement Fuel System: Fuel tank, fuel pump, injectors, throttle body, diagnostics, cleaning Cooling System: Radiator, coolant, thermostat, water pump, hoses, maintenance, flushing Lubrication System: Oil pump, oil filter, oil passages, oil change procedures, specifications Electrical System: Battery, charging system, ignition system, lighting, starter, ECU, diagnostics Wiring Diagrams: Comprehensive electrical schematics for all systems Steering System: Handlebars, steering head bearings, fork assembly, adjustments, repair Suspension: Front forks (Showa or similar), rear shock absorber, adjustments, rebuilds Brakes: Front and rear brake systems, calipers, discs, master cylinders, fluid replacement, bleeding, ABS (if equipped) Bodywork: Fairings, seating, tank, tail section, minor body repairs, panel removal/installation Intake And Exhaust: Airbox, exhaust system, mufflers, maintenance, cleaning Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustments, brake checks, fluid checks Periodic Checks And Adjustments: Valve clearance checks, ignition timing, idle speed, suspension settings Troubleshooting: Advanced diagnostic procedures for common and uncommon issues Engine Rebuild: Complete engine disassembly, inspection, component replacement, and reassembly Transmission Repair: Gearbox disassembly, component replacement, reassembly Electrical Diagnostics: Troubleshooting electrical faults using wiring diagrams and diagnostic procedures Suspension Rebuild: Front fork and rear shock absorber disassembly, seal replacement, fluid changes Brake System Service: Brake pad replacement, caliper servicing, brake fluid flush and bleed Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to full engine and component rebuilds, including advanced diagnostics and troubleshooting. Detail Level: Step-by-step instructions with diagrams, illustrations, and specifications, mirroring dealership-level service information. 📊 Manual Specifications File Format Format: PDF Compatibility: All versions of Windows and Mac Reader Requirement: Adobe PDF Reader Print Quality Printability: Yes, all pages are printable Binding Type Binding: Digital (PDF) Paper Type Paper Type: N/A (Digital file) ⚙️ Engine Specifications Primary Engine Type: 4-stroke, single-cylinder, liquid-cooled Displacement: 125cc (approx. 124.2 cc) Bore X Stroke: 54 mm x 54.5 mm (typical for this engine) Valve Train: DOHC, 4 valves Performance Horsepower Output: Typically around 15 hp (11 kW) at 10,500 rpm (for A1 license compliance in Europe). Specific output may vary by region and tuning. Torque Output: Around 10.5 Nm (7.7 lb-ft) at 8,750 rpm (typical) Fuel System Injection System: Electronic Fuel Injection (EFI) - likely using a Mikuni or similar EFI system Fuel Type: Unleaded gasoline Engine Oil Recommended Grade: Refer to manual for exact specification (typically SAE 10W-40 or 15W-50 semi-synthetic or fully synthetic) Oil Capacity: Refer to manual for exact specification (typically around 1.0 - 1.2 liters including filter) 🔧 Transmission Standard Type: 6-speed manual Features Clutch Type: Wet, multi-plate Fluid Specifications Gearbox Oil Type: Refer to manual for exact specification (typically a motorcycle-specific gear oil or engine oil depending on transmission design) 📐 Dimensions Exterior Length: Approx. 2000 mm (varies slightly by year) Width: Approx. 700-750 mm (varies slightly by year) Height: Approx. 1100-1150 mm (seat height around 800-820 mm) Weights Dry Weight: Approx. 135-140 kg (varies by configuration) Wet Weight: Approx. 150-155 kg (fully fueled and ready to ride) 🛡️ Safety Features Ratings Safety Compliance: Designed to meet relevant European motorcycle safety standards (e.g., EURO 3 for emissions) Active Features Brakes: Disc brakes front and rear. ABS available as an option on some models/regions. Lighting: Halogen headlamp, LED taillight, turn signals. 💡 Technology Features Infotainment Instrument Cluster: Digital LCD display with speedometer, tachometer, odometer, trip meters, fuel gauge, and warning lights. Driver Assistance ABS: Optional Anti-lock Braking System (ABS) available on some configurations, which the manual will detail service for. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 km or annually, whichever comes first (refer to manual for precise mileage and time intervals). Valve Clearance Check: Often at 10,000 km or 20,000 km intervals (refer to manual for specific mileage). Chain Lubrication Adjustment: Recommended every 500-1000 km, and adjust slack as needed (refer to manual for precise specifications)....