🏷️ Basic Information Identification Make: Gilera Model: Runner 50 SP Year: 1999-2004 Product Type: Service Repair Workshop Manual Codes Engine Code General: Likely Piaggio Hi-Per 2 AC or LC engine variants 👋 Introduction Market Position Market Segment: High-performance 50cc scooter segment, known for sporty handling and styling Competitive Analysis Competitors: Piaggio Zip SP, Aprilia SR50, Yamaha Aerox, MBK Nitro, Malaguti F12 Key Features Vehicle Attributes: Sporty design, agile handling, liquid-cooled engine options, excellent braking performance for its class Manual Value Proposition: Empowers owners to perform all necessary maintenance and repairs, significantly reducing dealership costs and extending vehicle lifespan 📋 Manual Details Coverage Areas Coverage Type: Comprehensive service, repair, maintenance, and rebuilding Page Count Estimated Page Count: Est. 300-500+ pages (typical for comprehensive workshop manuals) Manual Type Manual Type: Workshop Manual / Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Top-end, bottom-end, lubrication, cooling, fuel delivery, ignition, starting system, exhaust Transmission: Automatic (CVT) system, clutch, variator, gearbox components Chassis: Frame, suspension (front forks, rear shock), steering, wheels, tires Brakes: Front and rear braking systems (hydraulic disc/drum), brake fluid, caliper and master cylinder service Electrical: Wiring diagrams, lighting system, battery, charging system, starter motor, electronic control unit (ECU) diagnostics (if applicable) Bodywork: Body panels, fairings, seat, storage, lighting, controls, plastics Procedures Included Maintenance: Routine checks, oil changes, filter replacement, spark plug replacement, brake pad inspection/replacement, chain adjustment (if applicable), coolant checks Troubleshooting: Step-by-step diagnostic guides for common and uncommon problems, fault code interpretation (if applicable) Repair: Detailed disassembly and reassembly procedures for all major components, engine rebuild, transmission overhaul, suspension and brake repair Rebuilding Restoration: Comprehensive instructions for complete engine and component overhauls, suitable for restoration projects Technical Depth Technical Depth: In-depth, professional-level coverage from basic maintenance to complete engine disassembly and rebuilding, including torque specifications and component clearances 📊 Manual Specifications File Format File Format: Adobe PDF (searchable and printable) Print Quality Print Quality: High-resolution, printable diagrams and text for clarity Binding Type Binding Type: Digital Download (no physical binding) Paper Type Paper Type: Not Applicable (digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder, liquid-cooled (likely Piaggio Hi-Per 2 engine variant) Displacement: Approx. 49cc Bore X Stroke: Typical: 39.3mm x 40.5mm Performance Horsepower Peak: Approx. 5-7 HP (stock, depending on specific variant and tuning) Fuel System Fuel Delivery: Carburetor (e.g., Dell'Orto PHBN 17.5) Fuel Type: Unleaded Gasoline (95 RON recommended) Lubrication Oil System: Automatic oil injection (separate oil reservoir) Cooling Cooling System Type: Liquid-cooled 🔧 Transmission Standard Transmission Type: Automatic Continuously Variable Transmission (CVT) Optional Optional Transmissions: N/A (CVT is standard for this model) Features Clutch Type: Centrifugal clutch Gear Reduction: Integrated into the transmission housing 📐 Dimensions Exterior Length: Approx. 1840 mm Width: Approx. 730 mm Height: Approx. 1170 mm (seat height varies) Weights Dry Weight: Approx. 100-105 kg Fuel Tank Capacity: Approx. 7.0 liters 🛡️ Safety Features Ratings Safety Ratings: Not typically rated by official agencies like NHTSA or Euro NCAP (as a scooter) Active Features Braking System: Hydraulic disc brakes (front and rear, often 220mm front, 190mm rear) Tires: Tubeless tires, typically 120/70-13 front, 130/60-13 rear Passive Features Lighting: Halogen headlights, LED taillight (depending on specific sub-model) 💡 Technology Features Infotainment Infotainment System: Basic analog speedometer, odometer, fuel gauge, indicator lights. No advanced infotainment features. Driver Assistance Driver Assistance Features: None (typical for 50cc scooters of this era). Connectivity Connectivity Options: None. 🔧 Maintenance Service Intervals Engine Oil Change: Every 3000-5000 km or annually, whichever comes first. (Manual will detail specific procedure). Gearbox Oil Change: Every 6000-8000 km. (Manual will specify grade and capacity). Air Filter Cleaning Replacement: Every 2000-3000 km. (Manual will specify type and cleaning/replacement procedure). Spark Plug Replacement: Every 4000-6000 km. (Manual will list compatible spark plugs, e.g., NGK CR8EB or similar). Fluid Specifications Coolant: Ethylene glycol-based antifreeze mixture (e.g., Piaggio Coolant or equivalent) at 50% concentration. Manual will detail capacity. Brake Fluid: DOT 4 hydraulic brake fluid. Manual will specify replacement intervals and bleeding procedures. Gearbox Oil: SAE 80W/90 hypoid gear oil. Manual will detail capacity (approx. 100-150ml). Known Issues Common Wear Items: Worn CVT belt, worn clutch shoes, weak battery, clogged carburetor jets, aging suspension components, cracked plastics due to UV exposure. Performance Degradation: Can be caused by carbon buildup in the exhaust and cylinder, worn reed valves, or incorrect carburetor tuning. 📚 Vehicle History Brand Heritage Manufacturer Origin: Gilera is an Italian motorcycle manufacturer, now part of the Piaggio Group Model Evolution Runner Series: The Gilera Runner is a long-standing and highly regarded scooter series, known for its performance and sporty chassis dynamics. The 50cc SP model represents the entry-level performance variant. Production Production Period Covered: 1999 to 2004 (as per manual title) 🏆 Awards & Recognition Recognitions Model Recognition: The Gilera Runner series is generally well-regarded in its segment for...