Positioning:
        
        
            The Gilera Nexus 500 was positioned as a premium maxi-scooter, offering a blend of performance, comfort, and touring capability, often competing with models from Yamaha, Suzuki, and Honda in its segment.
        
     
    
    
        
            Competitors:
        
        
            Key competitors included the Yamaha TMAX 500, Suzuki Burgman 400/650, Honda Silver Wing 600, and Aprilia Atlantic 500.
        
     
    
    
        
            Vehicle Features:
        
        
            The Nexus 500 was known for its powerful 493cc engine, comfortable seating, under-seat storage, and sporty chassis design, making it suitable for both urban commuting and longer-distance touring.
        
     
    
    
        
            Purpose:
        
        
            To provide owners and technicians with the necessary information to maintain, diagnose, and repair the 2005 Gilera Nexus 500 motorcycle, ensuring optimal performance and longevity.
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            Comprehensive repair and service for the 2005 Gilera Nexus 500 motorcycle.
        
     
    
        
            Secondary Coverage:
        
        
            Troubleshooting, maintenance, electrical system diagnostics, engine repair, suspension, braking, and chassis.
        
     
    
    
    
    
        
            Type:
        
        
            Service Repair Manual
        
     
    
        
            Classification:
        
        
            Factory Service Manual (FSM) equivalent
        
     
    
    
        
            Primary Language:
        
        
            English
        
     
    
    
    
        
            Delivery Method:
        
        
            Instant Digital Download
        
     
 
    
    
    
        
             Powertrain:
        
        
            Engine (disassembly, assembly, diagnostics), Injection system (fuel delivery, EFI components, ECU mapping), Cooling system (radiator, hoses, thermostat, coolant), Exhaust system.
        
     
    
        
             Chassis And Suspension:
        
        
            Front forks (disassembly, seal replacement, oil levels), Rear shock absorber, Swingarm, Frame, Bearings (steering head, wheel).
        
     
    
        
             Braking:
        
        
            Front and rear brake systems, hydraulic lines, brake fluid specifications, caliper maintenance, rotor inspection, ABS (if equipped).
        
     
    
        
             Electrical System:
        
        
            Wiring diagrams, component identification, battery maintenance, charging system (stator, regulator/rectifier), starter motor, lighting system, ignition system, ECU diagnostics, sensor testing.
        
     
    
        
             Bodywork And Controls:
        
        
            Fairings, seat removal, handlebar controls, levers, pedals, instrumentation, storage compartments.
        
     
    
    
        
             Maintenance:
        
        
            Routine checks, oil changes, filter replacements (oil, air, fuel), spark plug service, chain adjustment, brake fluid flush, coolant service, tire pressure checks.
        
     
    
        
             Troubleshooting:
        
        
            Diagnostic procedures for common performance issues, starting problems, electrical faults, braking anomalies, and handling concerns. Includes symptom-based troubleshooting guides.
        
     
    
        
             Repair:
        
        
            Step-by-step instructions for major component repairs and overhauls, including engine rebuilds, transmission servicing, suspension component replacement, and electrical system repairs.
        
     
    
        
             Diagnostics:
        
        
            Guidance on using diagnostic tools (if applicable), interpreting error codes, and performing electrical tests on sensors and actuators.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering basic user maintenance to advanced engine and electrical system diagnostics and repair.
        
     
    
        
            Detail Level:
        
        
            Highly detailed with visual aids and step-by-step instructions.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, single-cylinder, liquid-cooled, DOHC
        
     
    
    
        
            Bore X Stroke:
        
        
            94 mm x 71 mm
        
     
    
        
            Compression Ratio:
        
        
            10.5:1
        
     
    
        
            Valve Train:
        
        
            DOHC, 4 valves
        
     
    
    
        
            Horsepower:
        
        
            Approximately 33.3 HP (24.8 kW) @ 7,000 RPM (specification may vary slightly by region)
        
     
    
        
            Torque:
        
        
            Approximately 43 Nm (31.7 lb-ft) @ 5,500 RPM (specification may vary slightly by region)
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Fuel Injection (EFI)
        
     
    
        
            Throttle Body Size:
        
        
            Approximately 42 mm
        
     
    
    
        
            Oil Type:
        
        
            API SG or higher, JASO MA certified motorcycle oil, SAE 10W-40 recommended (check manual for specific grade)
        
     
    
        
            Oil Capacity With Filter:
        
        
            Approximately 1.7 Liters
        
     
 
    
    
    
        
            Braking System:
        
        
            Hydraulic disc brakes front and rear. Front: Dual discs (260 mm). Rear: Single disc (260 mm). ABS may have been an optional feature on some models.
        
     
    
        
            Lighting:
        
        
            Halogen headlights, LED taillight, turn signals.
        
     
    
    
        
            Chassis Design:
        
        
            Steel frame with high-tensile strength, contributing to stability.
        
     
    
        
            Ergonomics:
        
        
            Comfortable riding position, hand guards (optional/standard depending on market) for rider protection.
        
     
 
    
    
    
        
            Instrument Panel:
        
        
            Analog tachometer, digital speedometer, odometer, trip meter, fuel gauge, coolant temperature gauge, and warning lights.
        
     
    
    
        
            ABS Availability:
        
        
            Optional Anti-lock Braking System (ABS) may have been available on some 2005 models, enhancing braking safety.
        
     
    
    
        
            Diagnostic Ports:
        
        
            Likely includes a diagnostic connector for connecting electronic diagnostic tools for fault code retrieval and system analysis.
        
     
    
    
        
            ECU System:
        
        
            Electronic Control Unit (ECU) manages fuel injection, ignition timing, and other engine parameters for optimal performance and emissions.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Every 6,000 km or annually, whichever comes first. (Consult manual for precise interval).
        
     
    
        
            Oil Filter Replacement:
        
        
            At every engine oil change.
        
     
    
        
            Air Filter Inspection Cleaning:
        
        
            Every 6,000 km, clean or replace as needed.
        
     
    
        
            Spark Plug Replacement:
        
        
            Every 12,000 km (check specific plug type and gap in manual).
        
     
    
        
            Brake Fluid Flush:
        
        
            Every 24,000 km or every 2 years.
        
     
    
        
            Coolant Flush:
        
        
            Every 24,000 km or every 2 years.
        
     
    
    
        
            Engine Oil Viscosity:
        
        
            SAE 10W-40 (recommended, verify with manual)
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based antifreeze (50% mix with distilled water)
        
     
    
    
    
        
            Common Wear Items:
        
        
            CVT belt wear, wheel bearings, brake pads, fork seals, stator output over time.
        
     
    
        
            Electrical Gremlins:
        
        
            Potential for intermittent electrical issues due to wiring harness wear or connector corrosion, especially with age. Stator failure can lead to charging problems.
        
     
    
        
            Suspension Wear:
        
        
            Front fork seals can leak, and the rear shock absorber may lose damping effectiveness over time, impacting ride quality.
        
     
 
    
    
    
        
            Brand Origin:
        
        
            Gilera is an Italian manufacturer of motorcycles, founded in 1909. It has a rich history in racing and scooter production.
        
     
    
    
        
            Nexus Lineage:
        
        
            The Nexus 500 was part of Gilera's successful line of maxi-scooters, designed to blend motorcycle performance with scooter practicality. It was a significant model for Gilera in the large-displacement scooter market.
        
     
    
    
        
            Manufacturing Location:
        
        
            Produced in Italy.
        
     
    
        
            Model Years Produced:
        
        
            The Nexus 500 was produced from approximately 2003 through the late 2000s, with updates and variations.