🏷️ Basic Information Identification Make: Gilera Model: Runner Purejet 50 Model Variant: Purejet 50 Production Years: 2003-2004 Codes Engine Code: Piaggio LEA 125 (single-cylinder, 2-stroke, Piaggio Hi-PER1). 👋 Introduction Market Position Segment: Performance 50cc scooter segment. Competitive Analysis Key Competitors: Aprilia SR50, Yamaha Aerox 50, Piaggio NRG 50. Key Features Vehicle Attributes: Sporty design, agile handling, liquid-cooled 2-stroke engine with electronic fuel injection (Purejet technology). Value Proposition Savings: Significant cost savings on service, repair, and maintenance compared to dealership labor. Manual Usability Ease Of Use: Designed for ease of use with no prior technical expertise required, though detailed for professionals. 📋 Manual Details Coverage Areas Languages: English Geographic Focus: Global (technical content applicable to all markets) Page Count Estimated Pages: N/A (Digital Download - content depth is comprehensive A-Z) Manual Type Type: Service Repair Workshop Manual Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete engine diagnostics, overhaul, tuning, fuel injection system, cooling system, lubrication. Transmission: Automatic transmission (CVT), clutch, gearbox components. Brakes: Front and rear brake system service, hydraulic components, disc brake specifications, bleeding procedures. Electrical: Complete electrical system, wiring diagrams, battery, starter, ignition system, lighting, instrumentation, EFI control unit. Chassis: Frame, suspension (front fork, rear shock absorber), steering system, wheel bearings. Bodywork: Body panels, fairings, seat, storage compartment, maintenance access points. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug, coolant checks, brake fluid checks. Troubleshooting: Diagnostic flowcharts, common fault identification and correction for all systems. Repair: Component removal, installation, adjustment, and overhaul for all mechanical and electrical systems. Rebuild: Full engine and transmission rebuild procedures with detailed specifications. Technical Depth Depth: Comprehensive A-Z coverage, suitable for professional technicians and DIY enthusiasts. Includes advanced diagnostics and detailed specifications. 📊 Manual Specifications File Format Quality: High-resolution, printable diagrams and text. Searchable: Yes (standard PDF search functionality). Print Quality Pages: Printable on demand, allowing for fresh copies of specific pages. Binding Type Type: N/A (Digital Download - no physical binding). Paper Type Type: N/A (Digital Download - no physical paper). ⚙️ Engine Specifications Primary Engine Configuration: Single-cylinder, 2-stroke Cooling System: Liquid-cooled Displacement: 49.4 cc Bore X Stroke: 39 mm x 41.4 mm Power Output Approx: Approx. 5.6 HP (4.1 kW) @ 7000 RPM (varies by market regulations) Torque Approx: Approx. 5.4 Nm @ 6500 RPM (varies by market regulations) Fuel System Type: Electronic Fuel Injection (EFI) - Piaggio Purejet system Fuel Type: Unleaded Gasoline (95 RON recommended) Ignition System: Electronic ignition with CDI (Capacitor Discharge Ignition) and EFI control unit. Lubrication System: Automatic oil injection (separate oil reservoir). 🔧 Transmission Standard Type: Automatic Continuously Variable Transmission (CVT) Clutch: Automatic centrifugal clutch Features Gear Reduction: Integrated gear reduction unit Fluid Specifications Transmission Fluid: API GL-3 or GL-4 gear oil (refer to manual for specific viscosity and capacity, typically SAE 80W/90) 📐 Dimensions Exterior Length: Approx. 1850 mm Width: Approx. 730 mm Height: Approx. 1130 mm Wheelbase: Approx. 1310 mm Weights Dry Weight Approx: Approx. 105 kg Gross Vehicle Weight Rating Gvwr Approx: Approx. 255 kg Cargo Underseat Storage: Sufficient for one full-face helmet (design may vary slightly). Wheels Tires Front Tire Size: 120/70-14 Rear Tire Size: 130/60-13 Front Wheel Size: 14 inch Rear Wheel Size: 13 inch 🛡️ Safety Features Ratings Crash Test Results: N/A (As this is a 50cc scooter, formal crash test ratings like automotive standards are not typically applied or published. Safety relies on design and rider vigilance.) Active Features Braking System: Front and rear disc brakes for effective stopping power. Lighting: Headlight, taillight, brake lights, turn signals for visibility. Passive Features Frame Construction: Steel frame designed for rigidity and stability. Suspension: Telescopic front fork and rear monoshock absorber for rider comfort and control. 💡 Technology Features Infotainment Instrument Cluster: Digital and analog combination display with speedometer, tachometer, fuel gauge, coolant temperature, and warning lights. Driver Assistance Features: N/A (Scooter class, no driver assistance systems). Connectivity Features: N/A (Scooter class, no connectivity features). Engine Management System: Piaggio's advanced EFI system with electronic control unit (ECU) for precise fuel metering and ignition timing, optimizing performance and emissions. 🔧 Maintenance Service Intervals Engine Oil Change: Every 3,000 - 5,000 km or annually (refer to manual for exact interval). Air Filter Cleaning Replacement: Every 2,000 - 3,000 km, or as needed based on operating conditions. Spark Plug Replacement: Every 5,000 - 8,000 km (specific plug type required). Transmission Oil Change: Every 6,000 - 10,000 km or every two years. Fluid Specifications Engine Oil: Specific 2-stroke oil for automatic oil injection systems. API TC, JASO FD/FE rated. Capacity approx. 0.8 - 1.0 Liters (for separate oil tank). Coolant: Ethylene glycol-based coolant with anti-corrosion additives. Mixture ratio 50/50 with distilled water. Capacity approx. 0.7 - 0.8 Liters. Brake Fluid: DOT 4 or DOT 5.1 brake fluid (refer to manual for specific recommendation). Known Issues Efi System: Potential for injector...