This manual covers the Runner RST Purejet, a sporty maxi-scooter produced from 2007 onwards. Known for its agile handling, powerful liquid-cooled engine featuring advanced electronic fuel injection (Purejet system), and premium suspension components, the Runner RST Purejet positions itself within the high-performance scooter segment. Its design emphasizes a sporty chassis, effective disc brakes, and a robust frame, reflecting a heritage of producing performance-oriented vehicles. This model is engineered for riders seeking a dynamic and responsive riding experience, combining Italian design with modern technological advancements for efficient power delivery and enhanced riding dynamics. This comprehensive Service Repair Workshop Manual provides extensive A-Z coverage for the Runner RST Purejet. It details maintenance procedures, diagnostic techniques, and repair instructions for all major vehicle systems, including the engine, fuel injection, ignition, cooling, lubrication, transmission, chassis, suspension, brakes, and electrical systems. The manual is designed to assist owners, mechanics, and technicians in performing routine maintenance, troubleshooting common issues, and executing complex repairs or rebuilds. It offers step-by-step guidance, technical specifications, and wiring diagrams, ensuring the vehicle remains in optimal condition and performance throughout its lifespan. 🏷️ Basic Information Identification Make: Gilera Model: Runner RST Purejet Year: 2007 onwards Codes Engine Code Prefix: M491 👋 Introduction Market Position Positioning: High-performance maxi-scooter segment, known for its sporty handling and advanced technology (Purejet indicating direct fuel injection). Competitive Analysis Competitors: Aprilia SR Max, Yamaha TMAX, Suzuki Burgman, Honda Forza (depending on specific cc class). Key Features Key Features: Sporty chassis design, powerful liquid-cooled engine, advanced fuel injection system, premium suspension components, disc brakes. Engine Technology: The 'Purejet' system signifies a significant technological advancement over carbureted models, offering precise fuel delivery for improved efficiency and performance. 📋 Manual Details Coverage Areas Systems Covered: Engine, Fuel System, Ignition System, Cooling System, Lubrication System, Transmission, Chassis, Suspension, Brakes, Electrical System, Bodywork, Diagnostics, Troubleshooting, Maintenance, Repair, Rebuild, Restoration Troubleshooting Guides: Detailed troubleshooting charts for diagnosing common performance, starting, electrical, and mechanical issues. Page Count Estimated Page Count: Extensive (A-Z coverage) Manual Type Manual Type: Service Repair Workshop Manual Manual Origin: Workshop Manual (likely adapted from OEM service information) Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, component testing, valve clearances, piston and ring replacement, cylinder head assembly, crankshaft and connecting rod inspection, timing system. Fuel System: Fuel injection system (Purejet), fuel pump operation, injector testing, fuel pressure regulation, throttle body service, fuel filter replacement. Ignition System: Ignition coil testing, spark plug specifications, CDI unit function, wiring diagrams. Cooling System: Radiator and coolant circuit maintenance, water pump inspection, thermostat operation, fan control. Lubrication System: Oil change procedures, oil filter replacement, lubrication points, oil pump function. Transmission: Automatic transmission (CVT) overhaul, variator maintenance, clutch operation, belt replacement, gear oil specifications and replacement. Chassis: Frame inspection, swingarm maintenance, bearing checks, mounting points. Suspension: Front fork service, rear shock absorber replacement, spring and damper adjustments, bushing inspection. Brakes: Front and rear brake caliper service, brake pad replacement, brake disc inspection and replacement, brake fluid bleeding, master cylinder overhaul, hydraulic system. Electrical System: Wiring diagrams, battery maintenance, charging system, lighting system, starter motor, fuses and relays, dashboard instrumentation, fault diagnosis. Bodywork: Panel removal and installation, fairing repair, seat maintenance, storage compartment access. Emissions System: Information on emissions control devices and related diagnostics if applicable. Procedures Included Maintenance Procedures: Routine checks, fluid level top-ups, filter replacements, brake adjustments, tire pressure checks, chain lubrication (if applicable, though Runner is typically belt-driven CVT). Diagnostic Procedures: Troubleshooting guides for common problems, fault code interpretation (if applicable), component testing methods. Repair Procedures: Step-by-step instructions for component replacement, assembly, and disassembly for all major vehicle systems. Rebuild Procedures: Detailed instructions for complete engine rebuilds, transmission overhauls, and suspension component refurbishment. Installation Procedures: Instructions for accessory installation (e.g., luggage racks, windscreens) and potential part upgrades. Calibration Procedures: Procedures for recalibrating sensors or systems if necessary after component replacement. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to advanced diagnostics and complete rebuilds. Suitable for professional technicians and DIY enthusiasts. Diagnostic Tools: Covers procedures for using common diagnostic tools and methods, including electrical testing with multimeters and specific troubleshooting techniques. 📊 Manual Specifications File Format File Format: Adobe PDF Print Quality Print Quality: High resolution, printable diagrams and text Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, liquid-cooled, single-cylinder, Piaggio LEADER engine with electronic fuel injection (Purejet). Displacement: Typically 125cc or 180cc for Runner models, but manual covers '2007 Onward' which may include variations. Purejet specifically refers to the fuel injection system. Bore X Stroke: Refer to specific engine variant within the manual for precise measurements. Compression Ratio: Refer to specific engine variant within the manual for precise measurements. Performance Power Output: Varies by specific cc, but generally optimized for strong mid-range...