🏷️ Basic Information Identification Make: Gilera Model: Runner Purejet 50 Year: 1998-2005 Product Type: Service Manual 👋 Introduction Market Position Segment: High-performance 50cc scooter Target Audience: Enthusiasts, DIY mechanics, professional repair shops Competitive Analysis Competitors: Piaggio Zip SP, Yamaha Aerox 50, Aprilia SR50 Key Features Vehicle Focus: Sporty styling, agile handling, advanced technology for its class (Purejet engine) Manual Value Proposition: Provides factory-level diagnostic and repair information, essential for maintaining peak performance and reliability 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service, repair, and maintenance Secondary Coverage: Diagnostic procedures, electrical system troubleshooting Page Count Total Pages: 257 Manual Type Type: Original Factory Service Repair Workshop Manual Language Language: English Format File Format: PDF Download Compatibility Operating Systems: All Versions of Windows & Mac Requirements Software Requirements: Adobe PDF Reader 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, overhaul, timing, lubrication Engine Management: Fuel system (Purejet injection), ignition system, starting system, charging system Cooling System: Radiator, water pump, thermostat, coolant flow Transmission: Automatic transmission (CVT), variator, clutch, gearbox Braking System: Front and rear brakes (disc/drum or disc/disc), hydraulic system, brake fluid Suspensions: Front fork (telescopic), rear shock absorber(s), swingarm Chassis And Bodywork: Frame, body panels, seat, storage, lighting, instruments Electrical System: Wiring diagrams, battery, lights, horn, starter motor, ignition switch, sensors Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, brake adjustments, tire pressure Diagnostic Procedures: Troubleshooting guides for common problems, fault code interpretation (if applicable) Repair Procedures: Step-by-step instructions for component replacement and repair Overhaul Procedures: Detailed instructions for complete engine and transmission rebuilds Pre Delivery Inspection: Checks and adjustments required before customer delivery Technical Depth Diagnostic Tools: Information on specialized diagnostic tools and their use Special Tools: Identification and application of specialized tools required for specific repairs Torque Specifications: Detailed torque settings for all fasteners and critical components Clearances And Tolerances: Engine internal clearances, bearing tolerances, and other critical measurements Wiring Diagrams: Comprehensive and detailed electrical schematics 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable PDF Print Quality Readability: High, designed for professional technician use Diagram Clarity: Excellent, critical for accurate repair Binding Type Binding: Not applicable (PDF Download) Paper Type Paper: Not applicable (PDF Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 2-stroke, Piaggio Hi-PER 2 Pro engine with Electronic Fuel Injection (Purejet) Displacement: 49.4 cc Bore X Stroke: 39.0 mm x 41.4 mm Compression Ratio: 11.0:1 (typical for Purejet) Performance Horsepower: Approx. 5-6 HP (at the crankshaft, depending on specific model year and regulations) Torque: Refer to manual for specific torque figures Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - Piaggio Purejet system Fuel Type: Unleaded gasoline (RON 95 recommended) Ignition System Ignition Type: Electronic ignition with variable timing Lubrication Oil System: Separate oil injection system for 2-stroke oil 2 Stroke Oil Type: High-quality synthetic 2-stroke scooter oil (API TC, JASO FD certified) 🔧 Transmission Standard Type: Automatic Continuously Variable Transmission (CVT) Features Variator: Variable speed pulley system Clutch: Centrifugal automatic clutch Fluid Specifications Gearbox Oil Type: SAE 75W/80W API GL-3 or GL-4 transmission oil (verify with manual for exact specification and capacity) 📐 Dimensions Exterior Length: Approx. 1870 mm (verify with manual) Width: Approx. 760 mm (verify with manual) Height: Approx. 1120 mm (verify with manual) Weights Dry Weight: Approx. 100 kg (verify with manual) Gross Vehicle Weight: Refer to manual Tires Front Tire Size: 120/70-13 (typical, verify with manual) Rear Tire Size: 130/60-13 (typical, verify with manual) Wheels Wheel Type: Alloy wheels 🛡️ Safety Features Ratings Crash Test Results: Not applicable (scooter segment) Active Features Braking System: Hydraulic disc brakes front and rear (or front disc, rear drum depending on variant) Lighting: Headlight, taillight, turn signals for visibility Passive Features Chassis Construction: Steel frame designed for stability Ride Comfort: Suspension system designed for urban riding 💡 Technology Features Infotainment Instrument Cluster: Analog/digital combination cluster displaying speed, RPM, fuel level, coolant temperature, and warning lights. Driver Assistance Efi System: Electronic Fuel Injection provides precise fuel metering for improved performance and emissions. Connectivity Diagnostic Port: Likely present for connection to diagnostic equipment (as described in manual). 🔧 Maintenance Service Intervals Engine Oil Change: Refer to manual for specific mileage/time intervals (e.g., every 3,000-5,000 km for gearbox oil) Air Filter Cleaning Replacement: Refer to manual, typically every 5,000-10,000 km Spark Plug Check Replacement: Refer to manual, typically every 5,000-10,000 km Brake Pad Inspection: Refer to manual, typically every 5,000 km or as needed Fluid Specifications Engine Oil Type: High-quality synthetic 2-stroke scooter oil (API TC, JASO FD certified) Gearbox Oil Type: SAE 75W/80W API GL-3 or GL-4 transmission oil Coolant Type: Ethylene glycol-based antifreeze (e.g., Motul Motocool Expert, Castrol Radicool SF) with a 50% mix of distilled water Known Issues Purejet Efi System: Potential issues with fuel pump, injectors, or sensors; require proper diagnostic tools. Refer to manual for...