🏷️ Basic Information Identification Make: Aprilia Model: SR 50 Year: 2005 Codes Model Code: N/A (Specific model codes not provided, typically chassis designations like VM4...) Generation Generation Identifier: 2005 Model Year (Likely part of the Piaggio-era SR 50 generation, often referred to as the 'DiTech' or 'Fatmax' depending on engine variant). 👋 Introduction Market Position Segment: High-performance 50cc scooter, targeted at younger riders and urban commuters seeking sporty styling and agile handling. Competitive Analysis Key Competitors 2005: Yamaha Aerox, Piaggio Zip SP, Malaguti F12, Gilera Runner 50. Key Features Vehicle Selling Points: Sporty design, liquid-cooled engine (often DiTech direct injection), capable chassis, performance-oriented suspension and braking components for its class. Manual Value Proposition Benefit To Owner: Empowers owners to perform maintenance and repairs, saving money on dealership labor costs. Provides detailed, factory-level information for accurate and efficient work. 📋 Manual Details Coverage Areas Covered Sections: General Information, Periodic Maintenance, Engine Overhaul, FI System Diagnosis, Fuel System and Throttle Body, Exhaust System, Cooling and Lubrication System, Chassis Components, Electrical System, Servicing Information, Emission Control Information, Wiring Diagrams. Page Count Estimated Page Count: Estimated 300-500 pages (typical for comprehensive service manuals). Specific count not provided. Manual Type Manual Classification: Factory Service Manual / Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Mechanical Systems: Engine (top-end, bottom-end, timing, cooling, lubrication), Fuel System (injection, throttle body, fuel pump), Exhaust System, Transmission (CVT, clutch, variator), Braking System (hydraulic), Suspension (front fork, rear shock), Steering System, Chassis Framework. Electrical Systems: Ignition System, Lighting (headlight, taillight, turn signals), Starting System, Battery Charging System, Instrumentation, FI Control Unit, Wiring Harnesses. Procedures Included Maintenance Procedures: Scheduled maintenance checks (oil changes, filter replacements, spark plug service), brake pad inspection and replacement, coolant flush and refill, tire pressure and wear checks, belt inspection and replacement. Diagnostic Procedures: FI system troubleshooting (fault code reading if applicable via diagnostic tool), engine performance diagnosis, electrical fault tracing using wiring diagrams, common problem diagnosis and solutions. Repair Procedures: Engine rebuilds, transmission component replacement (variator, clutch, belt), carburetor/fuel injection system servicing, suspension and steering component replacement, electrical component repair and replacement, body panel removal and installation. Technical Depth Depth Of Information: Comprehensive. Covers routine maintenance to in-depth engine and electrical diagnostics and repair. Includes step-by-step instructions, torque specifications, and detailed diagrams. 📊 Manual Specifications File Format PDF Quality: High-resolution digital format, likely optimized for clear viewing and printing. Searchable text is a common feature of quality PDF manuals. Print Quality Printable Pages: Yes, all pages are indicated as printable for ease of use in a workshop environment. Binding Type Binding Method: Digital download (PDF). No physical binding. Paper Type Recommended Paper: N/A (Digital format, user prints on their preferred paper type). ⚙️ Engine Specifications Primary Engine Engine Type: Likely a Piaggio Hi-PER 2 Pro engine (two-stroke). Variants may include DiTech (direct injection) or carburetored versions. Displacement: 49.4 cc Bore X Stroke: 39.0 mm x 41.4 mm Performance Horsepower: Approx. 5.0 - 6.5 HP (depending on specific variant and regulatory restrictions) Torque: Approx. 4.5 - 5.5 Nm (depending on specific variant) Fuel System Fuel Delivery: Electronic Fuel Injection (DiTech) or Carburetor (depending on variant). The manual likely covers both or a specific variant. Cooling System Cooling Method: Liquid-cooled Lubrication System Lubrication Type: Automatic oil injection (pre-mix tank) 🔧 Transmission Standard Transmission Type: Automatic Continuously Variable Transmission (CVT) Drive Type: Belt drive to rear wheel Features Cv Components: Variator (with drive rollers), clutch assembly, drive belt, primary and secondary pulleys. 📐 Dimensions Exterior Length: Approx. 1770 mm (Varies slightly by specific SR 50 generation) Width: Approx. 730 mm Height: Approx. 1135 mm (Seat height varies) Weights Dry Weight: Approx. 96 kg (Varies slightly by specific SR 50 generation and features) Gross Vehicle Weight Rating: N/A (Not typically specified for scooters in this class, but implies rider + cargo limits). 🛡️ Safety Features Ratings Crash Test Information: N/A (Scooters are not subjected to the same crash testing as automobiles). Active Features Braking System: Front: Hydraulic disc brake. Rear: Hydraulic disc brake. Lighting System: Halogen headlight, LED taillight and brake light, turn signals. Passive Features Frame Construction: Steel frame with integrated bodywork. 💡 Technology Features Infotainment Instrument Panel: Digital speedometer, analog tachometer, fuel level indicator, coolant temperature warning light, turn signal indicators, high beam indicator, oil level warning light. Driver Assistance ABS Availability: ABS was not standard or commonly available on the 2005 SR 50 model. Manual will not cover ABS diagnostics. Connectivity Diagnostic Port: Likely features a diagnostic connector for electronic fault code retrieval if equipped with the DiTech system (requires specific Aprilia diagnostic tool or compatible aftermarket scanner). 🔧 Maintenance Service Intervals Engine Oil Change: Every 3,000 km or annually (check manual for exact specification). Use specific 2-stroke scooter oil. Transmission Oil Change: Not applicable (CVT uses grease, not oil). Spark Plug...