Segment:
Maxi-scooter segment, offering a blend of touring comfort and sporty performance.
Target Audience:
Commuters seeking a comfortable and powerful ride, touring enthusiasts, and performance-oriented scooter riders.
Competitors:
Yamaha TMAX, Suzuki Burgman 400/650, Honda Silver Wing.
Performance:
Powerful 500cc engine, comfortable riding position, generous storage.
Design:
Sporty and aerodynamic styling, premium finish.
Utility:
Under-seat storage, optional luggage rack, suitable for longer journeys.
Primary Coverage:
Service, Repair, Maintenance, Diagnostics, Troubleshooting
Diagnostic Coverage:
Includes detailed diagnostic procedures for electrical and mechanical systems.
Type:
Service Repair Manual
Audience:
Professional Technicians and Experienced DIY Enthusiasts
Engine:
Engine assembly, disassembly, lubrication, cooling system, fuel injection system (MIU G3), ignition system, exhaust system, emission control systems (Euro 3).
Transmission:
Automatic transmission (CVT) operation, maintenance, and repair; gearbox components.
Chassis:
Frame, front suspension (telescopic fork), rear suspension (swingarm, shock absorber), steering system.
Brakes:
Front and rear brake systems (hydraulic disc brakes), brake fluid specifications, bleeding procedures, component replacement.
Electrical:
Battery, starting system, charging system, lighting system, instrument panel, electronic control unit (ECU), wiring diagrams, sensors, actuators.
Bodywork:
Body panels, fairings, seat, storage compartments, lighting fixtures.
Maintenance:
Scheduled maintenance tasks, oil changes, filter replacements, spark plug replacement, coolant checks, brake pad inspection.
Troubleshooting:
Diagnostic charts for common problems, symptom-based troubleshooting guides.
Repair:
Step-by-step instructions for component removal, installation, and overhaul.
Diagnostics:
Fault code interpretation, sensor testing, electrical system troubleshooting.
Depth:
Comprehensive, covering routine maintenance to full engine and transmission rebuilds.
Detail Level:
Includes torque specifications, clearance measurements, and specific tool requirements.
Engine Type:
Four-stroke, single-cylinder, liquid-cooled, DOHC
Bore X Stroke:
94 mm x 71 mm (approximate, often cited as 93.5 x 71 mm)
Compression Ratio:
10.2:1 (approximate)
Valve Train:
4 valves, DOHC
Horsepower:
Approx. 40 HP (30 kW) at 7,500 RPM
Torque:
Approx. 45 Nm (33 lb-ft) at 5,000 RPM
Fuel Delivery:
Electronic Fuel Injection (EFI) - Likely Magneti Marelli MIU G3
Fuel Type:
Unleaded gasoline
Oil Capacity:
Approx. 1.5 Liters (refer to manual for exact specification)
Oil Type:
Synthetic motorcycle oil, SAE 10W-40 or 15W-50 (API SG or higher, JASO MA)
Height:
Approx. 1430 mm (seat height varies)
Wheelbase:
Approx. 1570 mm
Seating Capacity:
1-2 persons
Underseat Storage:
Generous capacity, capable of storing a full-face helmet and more.
Dry Weight:
Approx. 190 kg
Wet Weight:
Approx. 205 kg (with fluids)
Max Load Capacity:
Refer to manual for specific load limits.
Crash Test Ratings:
Not applicable for motorcycles/scooters in the same way as cars.
Brakes:
Dual hydraulic disc brakes (front and rear), often with linked braking system (e.g., integral brake).
Lighting:
Halogen headlights, LED taillight, turn signals.
Tires:
Tubeless tires designed for stability and grip.
Frame:
Steel frame designed for rigidity and stability.
Ergonomics:
Comfortable riding position that reduces fatigue on longer rides.
Dashboard:
Digital and analog instrument cluster displaying speed, RPM, fuel level, temperature, clock, and warning lights.
Braking Aid:
Linked braking system (Integral ABS may have been an option on some later models or markets, but not standard on all 2005 Euro 3 models).
Diagnostic Port:
Standard diagnostic connector for ECU communication and fault code reading.
Oil Change:
Every 5,000 - 7,500 km or annually (refer to manual for specific interval).
Air Filter:
Inspect every 5,000 km, replace as needed or at recommended intervals (e.g., 10,000-15,000 km).
Spark Plug:
Replace every 10,000 - 15,000 km.
Belt Drive Inspection:
Inspect condition and tension at major service intervals (e.g., 10,000 km).
Brake Fluid:
Replace every 2 years or as per manual recommendations.
Engine Oil:
SAE 10W-40 or 15W-50, API SG or higher, JASO MA.
Coolant:
Ethylene glycol-based antifreeze, 50% mixture with distilled water.
Brake Fluid:
DOT 4 hydraulic brake fluid.
Common Wear Items:
V-belt, spark plug, brake pads, tires.
Electrical Gremlins:
Occasional electrical connector issues or sensor failures can occur, requiring diagnostic checks.
Cooling System:
Ensure coolant levels are maintained and hoses are in good condition to prevent overheating.
Heritage:
Gilera is an Italian motorcycle manufacturer with a long history dating back to 1909, known for its sporty and innovative models.
Nexus Lineage:
The Nexus line represents Gilera's entry into the maxi-scooter market, emphasizing performance and a sporty character compared to more comfort-oriented competitors.
Euro 3 Compliance:
The 'Euro 3' designation signifies compliance with European emissions standards, implemented around this period, requiring advanced fuel injection and catalytic converters.
Manufacturing Location:
Italy (under Piaggio ownership)
