Target Audience:
Commuters seeking performance, touring riders, scooter enthusiasts
Competitors:
Yamaha TMAX, Suzuki Burgman 400/650, Honda Silver Wing, Kymco Xciting 500
Scooter Features:
Sporty handling, powerful engine, comfortable ergonomics, ample under-seat storage, advanced instrumentation
Value:
Essential resource for DIY maintenance, repairs, and understanding the intricate systems of the Gilera Nexus 500.
Engine:
Complete engine overhaul, component inspection, timing, lubrication, cooling system
Fuel System:
Fuel injection system, fuel pump, injectors, fuel filter, pressure regulator
Transmission:
Automatic transmission (CVT) operation, maintenance, fluid checks, belt inspection
Brakes:
Brake system service, hydraulic lines, brake pads, discs, bleeding procedures, ABS (if equipped)
Electrical System:
Wiring diagrams, battery, charging system, ignition system, lighting, starter, ECU troubleshooting
Suspension:
Front fork service, rear shock absorber, linkages, adjustments
Chassis And Frame:
Frame inspection, steering head bearings, swingarm service
Bodywork:
Fairing removal and installation, body panel repair, seat assembly
Exhaust System:
Exhaust component inspection and replacement
Maintenance:
Regular service checks, oil changes, filter replacements, spark plug service, coolant checks
Troubleshooting:
Diagnostic procedures for common faults, error code interpretation, electrical system troubleshooting
Repair:
Step-by-step repair instructions for all major components and systems
Rebuilds:
Detailed instructions for engine and transmission overhauls
Disassembly And Assembly:
Complete guide for taking apart and reassembling the entire scooter
Depth:
Comprehensive: Covers everything from basic maintenance to full engine rebuilds and advanced diagnostics.
Engine Type:
Single-cylinder, four-stroke
Bore X Stroke:
94 mm x 71 mm
Valve Train:
SOHC, 4 valves
Cooling System:
Liquid-cooled
Horsepower:
Approximately 40 HP (29.4 kW) at 7000 RPM
Torque:
Approximately 45 Nm (33.2 lb-ft) at 5500 RPM
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline
Oil Type:
SAE 5W-40 Synthetic Motorcycle Oil (API SG or higher, JASO MA)
Oil Capacity:
Approximately 1.7 liters (with filter change)
Crash Safety:
N/A (Motorcycle/Scooter safety standards apply)
Braking System:
Front: Dual disc; Rear: Single disc. Optional ABS available on some models.
Lighting:
Halogen headlights, LED taillight, turn signals
Frame Construction:
High-strength steel trellis frame
Mirrors:
Large, adjustable mirrors for visibility
Instrument Cluster:
Analog tachometer and speedometer, digital display for odometer, trip meters, fuel level, coolant temperature, clock.
ABS:
Optional Anti-lock Braking System (ABS) available on some configurations.
Alarms Immobilizers:
Often equipped with factory or aftermarket alarm/immobilizer systems.
Oil Change Interval:
Every 6,000 km or 6 months, whichever comes first.
Air Filter Replacement:
Inspect every 6,000 km, replace as needed or every 12,000 km.
Spark Plug Replacement:
Replace every 12,000 km.
Transmission Fluid Change:
Refer to specific manual for interval and type, typically every 10,000-15,000 km.
Coolant Replacement:
Every 2 years or 24,000 km.
Engine Oil Grade:
SAE 5W-40 Synthetic (API SG/SH/SJ/SL/SM/SN, JASO MA/MA1/MA2)
Coolant Type:
Ethylene glycol-based antifreeze, 50% mixture with distilled water
Common Problems:
Potential for stator failure, fuel pump issues, and occasional electrical gremlins. CVT belt wear is a standard maintenance item.
Oil Filter Example:
HIFLOFILTRO HF183 (or equivalent Piaggio/Gilera part number)
Air Filter Example:
HIFLOFILTRO HFA7101 (or equivalent Piaggio/Gilera part number)
Manufacturer:
Gilera (an Italian brand with a long history in motorcycle racing and production, now part of the Piaggio Group)
Development:
The Nexus series was Gilera's flagship maxi-scooter, designed for performance and touring capabilities, often sharing components with Aprilia models due to the Piaggio Group ownership.
Manufacturing Location:
Italy
Production Period:
The Nexus 500 was produced for several years, with the mk1 designation typically referring to the initial models launched around 2003-2005.
