🏷️ Basic Information Identification Make: Aprilia Model: SR 50 Model Generation: Original SR 50 (Di-Tech, Ditech, PGT, Morini, Piaggio) Applicable Years: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Codes Vin Code Engine Type: Varied (depending on engine manufacturer and year - e.g., Morini, Piaggio, Minarelli) 👋 Introduction Market Position Vehicle Segment: High-performance 50cc scooter Competitive Analysis Key Competitors: Piaggio Zip, Gilera Runner, Yamaha BW's/Slider, Peugeot Speedfight. Key Features Engine Options: Available with various engine configurations including Piaggio, Minarelli, and Morini two-stroke engines, and later versions may have featured Piaggio's Hi-PER 2 or DI-TECH direct injection engines. Target Audience: Enthusiasts, commuters, and riders seeking a sporty and customizable 50cc scooter. 📋 Manual Details Coverage Areas Language: English Manual Type: Factory Service Repair Manual Page Count Estimated Page Count: Likely 500+ pages (comprehensive coverage across multiple years and potential engine variants) Format File Format: PDF Download Method: Instant Download Searchability: Fully searchable text Bookmarking: Completely bookmarked Manual Type Completeness: Complete factory service and repair manual for the specified years. Print Quality Printable: All pages are printable Binding Type Delivery Format: Digital Download Paper Type Source Material: Real files, not scanned copies 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, tuning, carburetor/fuel injection (depending on variant), ignition system, cooling system, exhaust system. Fuel Lubrication: Fuel system diagnosis and repair, lubrication system components, oil type and capacity specifications. Cooling System: Radiator, water pump, thermostat, coolant type, flushing and refilling procedures. Electrical System: Wiring diagrams, battery, charging system, lighting, starter system, ignition switch, instrument panel, diagnostic codes. Chassis: Frame, suspension (front and rear), steering system, wheels, tires, brakes (front and rear), body panels, fairings. Servicing Information: General maintenance procedures, lubrication points, component torque specifications, troubleshooting guides. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug inspection/replacement, brake pad replacement, coolant flushes. Tune Up: Engine tuning procedures, carburetor adjustments, idle speed settings, ignition timing checks (where applicable). Repair: Detailed step-by-step repair instructions for all major mechanical and electrical components. Troubleshooting: Diagnostic procedures for common and uncommon issues, fault code interpretation, systematic problem-solving approaches. Updates: Information on model-specific updates or revisions that may have occurred during the production run. Technical Depth Diagnostic Capability: Advanced diagnostic procedures, including troubleshooting electrical systems and engine performance issues. Rebuild Procedures: Comprehensive instructions for engine rebuilds, transmission overhauls, and major component replacements. ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled or Liquid-cooled Two-stroke, Single Cylinder Displacement: Typically 49cc (exact displacement can vary slightly based on specific engine variant and bore/stroke). Performance Horsepower Range: Approximately 4.0 - 7.0 HP (stock, depending on year and engine variant). Torque Range: Approximately 4.5 - 6.0 Nm (stock, depending on year and engine variant). Fuel System Fuel Delivery: Carburetor (e.g., Dell'Orto PHVA/PHVB) or Electronic Fuel Injection (DI-TECH models). Fuel Type: Unleaded Gasoline (95 RON recommended) Lubrication Oil Mixing: Automatic oil injection system (separate oil reservoir) Ignition Ignition Type: Electronic CDI (Capacitor Discharge Ignition) Cooling Cooling Method: Air-cooled or Liquid-cooled (depending on the specific SR 50 variant) 🔧 Transmission Standard Transmission Type: Automatic CVT (Continuously Variable Transmission) with dry clutch Optional Gear Ratios: Variable, determined by the CVT pulley system. Features Clutch Type: Centrifugal dry clutch Fluid Requirements Transmission Fluid: Not applicable for the CVT gearbox itself; a small amount of oil may be present in the starter motor mechanism for some variants. 📐 Dimensions Exterior Length: Approx. 1700 - 1800 mm (varies slightly by generation) Width: Approx. 700 - 750 mm (varies slightly by generation) Height: Approx. 1100 - 1200 mm (seat height) Weights Dry Weight: Approx. 90 - 105 kg (depending on engine and equipment) Fuel Tank Capacity: Approx. 6.5 - 7.0 Liters 🛡️ Safety Features Ratings Safety Features: Dual hydraulic disc brakes front and rear, integrated lighting system, durable frame construction. Active Features Braking System: Hydraulic disc brakes on both front and rear wheels. Specific caliper and disc sizes vary by model year and variant. Passive Features Lighting: Halogen headlight, taillight, brake light, and turn signals. 💡 Technology Features Infotainment Instrument Panel: Digital and analog display including speedometer, odometer, fuel gauge, coolant temperature warning light, turn signal indicators, and oil level indicator. Driver Assistance Starting System: Electric starter and kick-start (depending on model variant). Connectivity Diagnostic Ports: Diagnostic connectors for electronic fault code retrieval and analysis (especially on DI-TECH models). 🔧 Maintenance Service Intervals Oil Change: Engine oil (if applicable, for some 4-stroke variants not covered here) or gearbox oil: Check manual for specific intervals (typically every 3,000-5,000 km or annually). For 2-stroke, automatic oil injection reservoir should be checked and refilled as needed. Spark Plug Check: Every 3,000 - 5,000 km or annually. Specific plug type and gap are critical. Air Filter Cleaning: Every 2,000 - 3,000 km or as needed based on operating conditions. Brake Fluid Change:...