🏷️ Basic Information Identification Make: Gilera Model: Nexus 500 Year: 2005-Onward Codes Engine Code: M338 (likely Piaggio Quasar 4-stroke) Emission Standard: Euro 3 👋 Introduction Market Position Segment: Maxi-scooter, touring scooter, performance scooter. Competitive Analysis Competitors: Yamaha TMAX, Suzuki Burgman 400/650, Honda Silver Wing, Piaggio X9/X8. Key Features Features: Sporty handling, comfortable ergonomics for long distances, powerful engine for its class, substantial underseat storage, advanced chassis design. Manual Value Proposition Value: Provides essential factory-level diagnostic and repair information, crucial for maintaining optimal performance and longevity, enabling cost-effective maintenance and repair. 📋 Manual Details Coverage Areas Continent: Global (applicable to models sold meeting Euro 3 standards) Page Count Estimated Pages: Varies by specific revision, typically 300-500 pages for comprehensive service manuals. Manual Type Type: Service Repair Workshop Manual Language Language: Likely English (primary language for this product listing), potential for multi-language versions. Format Format: PDF Download 📖 Manual Coverage Systems Covered Mechanical: Engine, drivetrain, suspension, steering, braking system, fuel system, cooling system, exhaust system. Electrical: Ignition system, lighting, charging system, starting system, wiring diagrams, ECU diagnostics, sensors. Chassis: Frame, bodywork, fairings, seat, storage compartments, wheels, tires. Procedures Included Maintenance: Routine checks, oil changes, filter replacements, coolant flushes, brake fluid service, spark plug replacement, valve clearance adjustment. Repair: Engine disassembly/reassembly, transmission overhaul, suspension component replacement, brake caliper overhaul, electrical component repair. Troubleshooting: Diagnostic procedures for common faults, fault codes, symptom-based troubleshooting guides. Technical Specifications: Torque specifications, clearances, fluid capacities, electrical resistance values, diagnostic parameters. Technical Depth Depth: Comprehensive from basic maintenance to major component overhaul and advanced diagnostics, suitable for professional technicians and experienced DIY mechanics. 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Print Quality Quality: High-resolution, allowing for clear reproduction of text, diagrams, and images. Searchable text for efficient information retrieval. Binding Type Binding: N/A (Digital Download - PDF) Paper Type Paper: N/A (Digital Download - PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, 4-stroke, liquid-cooled, DOHC. Displacement: 493 cc Bore X Stroke: 39.3 mm x 43.7 mm (typical for this engine platform, confirm in manual) Performance Horsepower: Approx. 40-42 HP @ 7,250 rpm (figure subject to regional tuning, consult manual for exact spec). Torque: Approx. 45-48 Nm @ 5,500 rpm (figure subject to regional tuning, consult manual for exact spec). Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - likely Piaggio's MIA or similar. Fuel Type: Unleaded gasoline (minimum 95 RON recommended). Lubrication Oil Type Recommendation: SAE 5W-40 or 10W-40 Synthetic, API SG/SH/SJ/SL or JASO MA/MA2. Consult manual for precise specifications. Cooling System Coolant Type: Ethylene glycol-based antifreeze/coolant mixture (50% coolant, 50% distilled water). Consult manual for specific part number/color. Ignition System Spark Plug Type: NGK CR9EKB or equivalent. Consult manual for exact replacement. 🔧 Transmission Standard Transmission Type: Automatic CVT (Continuously Variable Transmission). Optional Optional Transmission: N/A Features Clutch Type: Automatic centrifugal clutch. Final Drive: Gear drive, enclosed in swingarm. Fluid Type Transmission Oil: Specific gear oil for CVT. Consult manual for exact specification and capacity. 📐 Dimensions Exterior Length: Approx. 2,140 mm Width: Approx. 760 mm (at handlebars) Height: Approx. 1,460 mm (at windscreen) Wheelbase: Approx. 1,530 mm Weights Dry Weight: Approx. 198 kg Gross Vehicle Weight Rating: Consult manual, typically around 380-400 kg. Cargo Underseat Storage: Spacious, typically accommodates two full-face helmets. 🛡️ Safety Features Ratings Crash Test Ratings: N/A for motorcycles/scooters in most regions; focus on design safety. Active Features Braking System: Front: Dual disc brakes with 4-piston calipers. Rear: Single disc brake with 2-piston caliper. Likely equipped with ABS as an option or standard on some variants. Consult manual for ABS specifics. Lighting: Halogen or projector headlamps, LED taillight/brake light, turn signals. Passive Features Frame Construction: Steel double cradle frame designed for stability and handling. Wind Protection: Aerodynamic fairing and adjustable windscreen for rider comfort and protection. 💡 Technology Features Infotainment Dashboard: Digital and analog instrument cluster displaying speed, RPM, fuel level, engine temperature, odometer, trip meter, clock. May include diagnostic indicator lights. Driver Assistance ABS: Optional or standard on certain models; consult manual for specific unit and diagnostic procedures if equipped. Connectivity Diagnostic Port: OBD-II or proprietary diagnostic connector for ECU communication and fault code retrieval. Manual will detail location and usage. 🔧 Maintenance Service Intervals First Service: Typically 1,000 km or 6 months (whichever comes first) for initial inspection and oil change. Consult manual for exact details. Regular Oil Change: Every 6,000 km or 12 months. Consult manual for precise intervals. Air Filter Replacement: Every 12,000 km or as needed based on operating conditions. Consult manual. Spark Plug Replacement: Every 12,000 km or 24 months. Consult manual for specific intervals and checks. Valve Clearance Check: Every 18,000 km or 24 months. Crucial for maintaining engine performance and longevity. Consult manual for exact procedure and tolerances. Fluid Specifications Brake Fluid: DOT 4 synthetic brake fluid. Consult manual for replacement...