🏷️ Basic Information Identification Make: Aprilia Model: SR50 Ditech Vehicle Type: Scooter Generation Production Years Covered By Manual: 1992-2011 Codes Engine Code Variant: Ditech (Direct Injection Technology) 👋 Introduction Market Position Target Audience: Aprilia SR50 Ditech owners and independent repair shops seeking detailed service information. Competitive Analysis Value Proposition: Provides comprehensive, step-by-step repair procedures and technical data, enabling efficient and accurate servicing. Key Features Download Method: Instant Download upon secure payment completion. Content Highlight: Includes special notes, important points, service data, precautions, and wear limits. Presentation Style: Simple and precise explanations, supported by diagrams and illustrations. 📋 Manual Details Coverage Areas Coverage Focus: Workshop Service and Repair Page Count Page Count: 97 Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete disassembly, assembly, repair, diagnostics, and tuning of the Ditech direct injection engine. Fuel System: Direct injection system, fuel pump, injectors, fuel lines, fuel filter, fuel tank. Ignition System: Ignition coil, spark plug, CDI unit, wiring. Cooling System: Liquid cooling system, radiator, water pump, hoses, thermostat. Transmission: Automatic CVT (Continuously Variable Transmission) removal, inspection, adjustment, and maintenance. Brakes: Front and rear brake systems (disc brakes), hydraulic lines, master cylinders, calipers, brake pads, brake fluid. Suspension: Front telescopic forks and rear shock absorber system, including fork seals and oil changes. Electrical System: Wiring diagrams, battery, starter motor, lighting system, charging system (stator, regulator/rectifier), fuses, relays, instrument cluster. Frame And Bodywork: Chassis components, body panels, seat, handlebars, footpegs, fairings, removal and installation procedures. Procedures Included Maintenance: Scheduled maintenance, fluid checks and changes, filter replacements, lubrication, brake adjustments, tire pressure. Troubleshooting: Diagnostic procedures for common and complex issues across all major systems. Repair: Detailed step-by-step instructions for component removal, disassembly, repair, reassembly, and installation. Adjustments: Carburetor adjustments (if applicable to specific sub-models within the range), ignition timing, brake lever free play, clutch adjustment (if applicable). Specifications: Torque values, clearances, fluid capacities, wear limits, technical data for all components and systems. Special Tools: Identification and usage instructions for specialized tools required for specific repair or adjustment procedures. Technical Depth Depth: Comprehensive 'bumper to bumper' coverage, suitable for both professional mechanics and experienced DIY enthusiasts. Detail Level: Includes detailed pictorial diagrams, exploded views, photographs, and schematics for clarity. Diagnostic Approach: Focuses on understanding construction and function before troubleshooting and repair. 📊 Manual Specifications File Format File Type: PDF Compatibility: Windows, Mac, Linux OS Software Requirement: Adobe Reader Print Quality Printability: All pages printable Binding Type Binding Type: Digital (PDF - Instant Download) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, single-cylinder, liquid-cooled with Ditech direct injection Bore X Stroke: Commonly around 40mm x 39.3mm (specific to engine variant) Displacement: Approximately 49cc Compression Ratio: Varies by model year, typically around 10.0:1 or higher Performance Horsepower: Generally in the range of 6.5 to 8.0 HP (specific output varies by model year and tuning) Torque: Estimated 7-8 Nm (specific output varies by model year and tuning) Fuel System Fuel Delivery: Direct Injection (Ditech) with electronic control unit (ECU) Fuel Type: Unleaded gasoline (minimum 95 RON recommended) Lubrication: Automatic oil injection (pre-mix or separate oil reservoir) 🔧 Transmission Standard Transmission Type: Automatic CVT (Continuously Variable Transmission) Clutch Type: Centrifugal automatic clutch Features Gear Reduction: Variable ratio belt drive system 📐 Dimensions Exterior Length: Typically around 1,700-1,800 mm (specific to model year variations) Width: Typically around 700-750 mm (specific to model year variations) Height: Typically around 1,100-1,200 mm (specific to model year variations) Weights Dry Weight: Approximately 90-100 kg (specific to model year variations) Fuel Tank Capacity: Approximately 7-8 liters 🛡️ Safety Features Ratings Safety Focus: Manual emphasizes following safety precautions and using correct procedures for safe operation. Active Features Braking System: Disc brakes on both front and rear wheels for effective stopping power. Passive Features Lighting: Includes standard headlight, taillight, turn signals, and brake lights for visibility. 💡 Technology Features Infotainment Instrument Cluster: Digital/analog combination instrument cluster displaying speed, RPM, fuel level, coolant temperature, and warning lights. Driver Assistance Engine Management: ECU controlled direct injection system manages fuel delivery and ignition timing for optimal performance and emissions. Connectivity Diagnostic Ports: Likely includes diagnostic ports for ECU access and fault code reading (specific type not detailed but implied by repair focus). 🔧 Maintenance Service Intervals Oil Change Engine: Refer to manual for specific mileage/time intervals for engine oil and gearbox oil (if applicable). Air Filter Cleaning: Regular inspection and cleaning/replacement based on operating conditions, as detailed in the manual. Spark Plug Replacement: Recommended replacement at specified mileage intervals for optimal ignition performance. Brake Fluid Flush: Periodic replacement of brake fluid (e.g., every 2 years) is crucial for braking system integrity. Fluid Specifications Engine Oil: Refer to manual for specific 2-stroke oil grade and mixture ratio (for oil injection system). Gearbox...