🏷️ Basic Information Identification Make: Aprilia Model: SR 50 Year: 2010 Product Type: Full Service Repair Manual 👋 Introduction Market Position Segment: Sport Scooter Target Audience: Young riders, urban commuters, performance enthusiasts. Competitive Analysis Key Competitors: Piaggio Zip SP, Yamaha Aerox, Gilera Runner. Key Features Performance Oriented: Known for its sporty handling and spirited performance for a 50cc scooter. Design: Aggressive, modern styling typical of Aprilia's sport-oriented models. Technology: Often features advanced suspension and braking components for its class. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive repair, maintenance, and troubleshooting for the Aprilia SR 50 (2010 model). Page Count Estimated Pages: 300+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Disassembly, assembly, inspection, and repair of all engine components including cylinder, piston, crankshaft, connecting rod, and bearings. Engine Tuning: Carburetor adjustment, ignition timing, and performance tuning recommendations. Fuel System: Fuel tank, fuel pump, fuel lines, carburetor (including jetting and float height), and fuel filter service. Cooling System: Radiator, water pump, thermostat, coolant hoses, and bleeding procedures. Exhaust System: Exhaust pipe, muffler, and catalytic converter maintenance and replacement. Transmission Drivetrain: Automatic CVT (Continuously Variable Transmission) service, including variator, clutch, torque converter, and final drive. Brakes: Front and rear brake systems (disc brakes), including hydraulic lines, master cylinders, calipers, brake pads, and brake fluid bleeding. Suspension: Front telescopic fork service, rear shock absorber and swingarm inspection and replacement. Steering: Handlebar, steering stem, and head bearing inspection, lubrication, and adjustment. Electrical System: Wiring diagrams, battery, starter motor, alternator, lighting system (headlight, taillight, turn signals), ignition system, and fuses. Bodywork Frame: Fairings, seat, storage compartment, and chassis inspection and repair. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug inspection and replacement, brake pad inspection, tire pressure checks, and general lubrication. Troubleshooting: Diagnostic procedures for common starting problems, engine performance issues, electrical faults, and braking system malfunctions. Rebuilding Overhauling: Detailed step-by-step instructions for engine rebuilds, carburetor overhauls, and transmission servicing. Component Replacement: Instructions for replacing wear items such as belts, brake pads, tires, and filters, as well as major component replacements. Wiring Diagrams: Complete electrical system schematics for accurate troubleshooting and repair. Technical Depth Depth Level: Comprehensive, covering basic maintenance to complete engine and drivetrain overhauls. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable for quick information retrieval. Print Quality Print Readability: High-resolution images and clear text for easy printing and on-screen viewing. Binding Type Binding: N/A (Digital format) Paper Type Paper Quality: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, liquid-cooled, single-cylinder Displacement: 49.4 cc Bore X Stroke: 39.0 mm x 41.4 mm Compression Ratio: 10.4:1 (approx.) Lubrication: Autolube system (separate oil injection) Performance Horsepower: Approx. 5-6 HP (depending on specific market regulations and tuning) Torque: Not typically specified for this class, but designed for strong low-end acceleration. Fuel System Carburetor Model: Dell'Orto PHVA 17.5mm (common fitment) Fuel Type: Unleaded gasoline (min. 95 RON) Fuel Tank Capacity: 7.0 Liters 🔧 Transmission Standard Transmission Type: Automatic CVT (Continuously Variable Transmission) Clutch: Centrifugal automatic clutch Drive Type: Belt drive to rear wheel Features Cvtvariator Maintenance: Includes variator roller inspection, replacement, and alignment procedures. Final Drive Oil: Specifications for final drive gear oil (type and capacity). 📐 Dimensions Exterior Length: Approx. 1850 mm Width: Approx. 700 mm Height: Approx. 1140 mm Wheelbase: Approx. 1300 mm Weights Dry Weight: Approx. 105 kg Curb Weight: Approx. 110 kg Max Load Capacity: Typically around 150 kg including rider. Cargo Underseat Storage: Sufficient for one full-face helmet. 🛡️ Safety Features Ratings Crash Safety: N/A (Scooters are not typically rated by agencies like NHTSA for crash safety). Active Features Braking System: Front: Hydraulic disc brake; Rear: Hydraulic disc brake. Lighting: Halogen headlight, LED taillight, front and rear turn signals. Passive Features Frame Construction: High-strength steel frame for rigidity and durability. 💡 Technology Features Infotainment Dashboard: Analog speedometer, fuel gauge, coolant temperature warning light, turn signal indicators, high beam indicator. Driver Assistance ABS: ABS was not a standard or common option on the 2010 SR 50, though later models may have featured it. Connectivity Connectivity Features: None (standard for scooters of this era). 🔧 Maintenance Service Intervals Engine Oil Change: Every 3,000 km or annually, whichever comes first (check manual for specific grade). Transmission Oil Change: Every 6,000 km or annually (final drive). Air Filter Cleaning: Every 2,000 km, replace as needed. Spark Plug Inspection: Every 3,000 km, replace as needed. Brake Fluid Flush: Every 2 years (DOT 4 specification). Coolant Check: Check level regularly, flush and replace every 2 years. Fluid Specifications Engine Oil Grade: Refer to manual for specific API SG or higher, JASO FD rated 2-stroke oil. 2-stroke oil for oil injection system. Final Drive Oil: API GL-4 SAE 80W/90 gear oil (capacity approx. 0.1 Liters). Brake...