🏷️ Basic Information Identification Make: Aprilia Model: RS4 50 Model Variant: Sport Production Replica Production Years Covered By Manual: 2011 Onward Codes Vehicle Chassis Code Prefix: ZDA 👋 Introduction Market Position Target Audience: Aprilia RS4 50 owners and independent repair shops Competitive Analysis Value Proposition: High quality, complete information saving on repair costs, superior to incomplete/cheap versions Key Features Content Quality: Professional Quality, Highly Detailed Ease Of Use: Very Easy to Use on PC, Tablet, or Laptop Accessibility: Instant Download, No Shipping Costs 📋 Manual Details Coverage Areas Primary Focus: Comprehensive Service and Repair Procedures Scope: All Models and All Repairs A-Z Page Count Estimated Page Count: Extensive (Specific number not provided, but described as complete and highly detailed) Manual Type Type: Service Repair Workshop Manual Comparison: Factory Workshop Manuals / CDROM Manuals Language Language: English Format Format: PDF Delivery Method: Instant Download Compatibility: Win/MAC/Linux 📖 Manual Coverage Systems Covered General Information: Included Engine Systems: Fuel System, Lubrication, Cooling, Combustion, Fuel Injection Powertrain: Gearbox, Clutch, Crankshaft, Transmission, Balancer Chassis And Suspension: Front Wheel, Steering System, Rear Wheel, Suspension, Chassis Braking System: Included (Front and Rear) Electrical System: Battery, Charging System, Alternator/Starter Clutch, Ignition System, Electric Starter, Lights, Meters, Switches, Wiring Diagrams Body And Frame: Frame, Body Panels, Fenders, Exhaust Pipe, Body & Fixtures Wheels And Tires: Included Procedures Included Maintenance: Periodic Checks and Adjustments Engine Operations: Engine Removal and Installation Component Overhaul: Cylinder Head/Valves, Crankcase, Piston, Cylinder Troubleshooting: Included Technical Depth Depth: Simple to complicated repairs Detail Level: Step-by-step instructions, highly detailed exploded pictures and diagrams User Base: Professional Mechanics and DIY enthusiasts 📊 Manual Specifications File Format Type: PDF Searchability: Likely searchable (standard for professional PDFs) Print Quality Printability: Printable (full or partial pages) Binding Type Type: N/A (Digital Download) Paper Type Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Type: Two-stroke, Single Cylinder Displacement: Approx. 49.9 cc Cooling System: Liquid-cooled Performance Horsepower Approx: ~8-10 HP (Varies by market and specific tune) Fuel System Induction: Carburetor (likely Dell'Orto PHVA 17.5 or similar) Fuel Type: Unleaded Gasoline (with 2-stroke oil premix or separate oil injection) Emissions Control: Catalytic Converter (depending on market regulations) 🔧 Transmission Standard Type: 6-speed Manual Features Clutch Type: Wet, Multi-plate Gear Ratios: Specific ratios detailed in the manual 📐 Dimensions Exterior Length: Approx. 2000 mm (varies slightly) Width: Approx. 740 mm (varies slightly) Height: Approx. 1130 mm (varies slightly) Weights Dry Weight: Approx. 130 kg Fuel Tank Capacity: Approx. 13 Liters 🛡️ Safety Features Ratings Classification: AM Category (for 50cc mopeds/light motorcycles in Europe) Active Features Braking: Front Disc Brake, Rear Disc Brake Lighting: Headlight, Taillight, Turn Signals Passive Features Frame Construction: Aluminum Perimeter Frame 💡 Technology Features Infotainment Display: Digital Instrument Cluster (Tachometer, Speedometer, Odometer, Fuel Gauge, Clock) Driver Assistance N A: N/A (typical for this class of vehicle) Connectivity N A: N/A (typical for this class of vehicle) 🔧 Maintenance Service Intervals Oil Change: Refer to manual (typically based on mileage or operating hours) Spark Plug Replacement: Refer to manual (e.g., every 3,000-5,000 km) Air Filter Cleaning Replacement: Refer to manual (e.g., every 1,000-2,000 km) Fluid Specifications Engine Oil Type: 2-stroke, JASO FD certified synthetic oil (for oil injection system) Coolant Type: Ethylene Glycol based antifreeze/coolant (50/50 mix with distilled water) Brake Fluid Type: DOT 4 Known Issues Common Wear Items: Clutch plates, Piston and cylinder wear, Carburetor jets clogging, Ignition coil failures (reported on some models) Typical Repairs: Top-end rebuilds (piston, rings, cylinder), Clutch replacement, Carburetor cleaning and tuning 📚 Vehicle History Brand Heritage Manufacturer: Aprilia Racing, Italy Model Evolution Predecessor: Aprilia RS 50 (various iterations) Design Inspiration: MotoGP race bikes (RSV4 replica styling) Production Manufacturing Country: Italy 🏆 Awards & Recognition Recognitions Market Reputation: Highly regarded for its sporty handling and design, especially among younger riders.