Segment:
Premium/Sport Scooter
Target Audience:
Enthusiasts and owners seeking detailed service and repair knowledge for their Gilera Nexus 125 i.e.
Competitors 2008:
Piaggio X9 125, Yamaha XMAX 125, Kymco Downtown 125i, Honda SH125i.
Vehicle Key Features:
Sporty handling, comfortable touring, modern styling, fuel-injected engine.
Value:
Provides professional-level diagnostic and repair capabilities, empowering owners to maintain and service their scooter accurately, saving time and money on dealership repairs.
Engine Systems:
Engine from vehicle, engine components, power supply, cooling system.
Chassis Systems:
Suspensions, chassis, braking system.
Electrical Systems:
Electrical system, wiring diagrams.
Bodywork And Ancillary:
Bodywork, pre-delivery inspections.
Maintenance Procedures:
Routine maintenance, scheduled servicing, fluid changes, filter replacements.
Troubleshooting Procedures:
Diagnostic guides, common fault diagnosis, problem resolution for various systems.
Repair Procedures:
Step-by-step repair instructions for engine, transmission, suspension, brakes, electrical components, and bodywork.
Diagnostic Depth:
Advanced diagnostic procedures, symptom-based troubleshooting, circuit analysis.
Rebuild Depth:
Detailed information for engine component removal, inspection, and reassembly, enabling complete overhauls.
Scope Of Information:
Comprehensive, including hundreds of pages of diagrams and detailed technical specifications.
Engine Type:
Four-stroke, single-cylinder, 4-valve, OHC, fuel-injected (i.e.)
Bore X Stroke:
57 mm x 48.6 mm
Cooling System:
Liquid-cooled
Max Power Output:
Approx. 15 HP (11 kW) at 9,750 rpm (specific to 2008 model, consult manual for exact figures)
Max Torque:
Approx. 12.1 Nm at 8,000 rpm (specific to 2008 model, consult manual for exact figures)
Fuel Delivery:
Electronic fuel injection (i.e.) with 30mm throttle body and single injector.
Ignition System:
Electronic ignition, digital.
Oil Type:
Refer to manual for specific API SG/SH/SJ or ACEA A2/A3 specification and viscosity grade (e.g., SAE 10W-40).
Oil Capacity:
Refer to manual for specific capacity, typically around 1.3 - 1.5 liters including filter change.
Engine Mounting:
Engine-chassis separation design, providing improved ride comfort and handling dynamics.
Transmission Type:
Automatic CVT (Continuously Variable Transmission)
Drive Type:
Belt drive to rear wheel.
Clutch Type:
Automatic centrifugal clutch.
Gearbox Oil Type:
Refer to manual for specific gearbox oil requirements, typically a dedicated scooter gear oil or SAE 80W-90.
Braking System Front:
Dual hydraulic disc brakes, 260 mm diameter (likely twin piston calipers).
Braking System Rear:
Hydraulic disc brake, 240 mm diameter (likely single piston caliper).
Lighting:
Halogen headlight, LED taillight.
Instrumentation:
Digital and analog displays for speed, RPM, fuel level, temperature, clock, etc.
Instrument Panel:
Multifunctional LCD display with analog speedometer and tachometer. Includes indicators for fuel, engine temperature, oil pressure, and fault codes.
ABS Availability:
Not specified as standard for the 125 i.e. model; check specific market configurations. ABS was more commonly available on larger capacity Nexus models.
Diagnostic Port:
On-board diagnostics (OBD) port for electronic fault code retrieval, detailed in the manual's electrical and troubleshooting sections.
Oil Change Interval:
Refer to manual. Typically every 5,000 - 7,500 km or annually, whichever comes first.
Air Filter Replacement:
Refer to manual. Typically every 10,000 - 15,000 km.
Spark Plug Replacement:
Refer to manual. Typically every 10,000 - 15,000 km.
Belt Drive Inspection:
Refer to manual. Crucial inspection for wear and tension, typically every 10,000 - 20,000 km depending on usage.
Coolant Type:
Refer to manual for approved ethylene glycol based coolant with corrosion inhibitors, typically a 50/50 mix with distilled water.
Brake Fluid Type:
Refer to manual for DOT 4 specification brake fluid.
Common Wear Items:
CVT belt, brake pads, tires, suspension bushings.
Potential Faults 2008:
Refer to manual for troubleshooting specific to the 2008 model, potential issues could include fuel system sensor faults, electrical connections, or ignition coil problems.
