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
Advantage:
Sporty handling and fuel-injected engine with touring comfort and modern styling
Vehicle Key Features:
Sporty handling, comfortable touring, modern styling, fuel-injected engine
Manual Value:
Professional-level diagnostic and repair capabilities, 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:
Routine maintenance, scheduled servicing, fluid changes, filter replacements
Troubleshooting:
Diagnostic guides, common fault diagnosis, problem resolution for various systems
Repair:
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 engine component removal, inspection, and reassembly for complete overhauls
Scope Of Information:
Comprehensive, with hundreds of pages of diagrams and detailed technical specifications
Wiring Diagrams:
Full electrical system wiring diagrams included
Torque Specifications:
Fastener torque values provided throughout repair procedures
Parts Information:
Component identification and exploded-view diagrams for part location
Inspections:
Component inspection and wear-limit measurement procedures
Special Tools:
Special tool requirements identified where needed
Pre-Delivery Checks:
Pre-delivery inspection procedures included
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
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 (consult manual for exact figures)
Max Torque:
Approx. 12.1 Nm at 8,000 rpm (consult manual for exact figures)
Fuel Delivery:
Electronic fuel injection with 30mm throttle body and single injector
Ignition System:
Electronic ignition, digital
Oil Type:
Refer to manual for API SG/SH/SJ or ACEA A2/A3 specification, e.g. SAE 10W-40
Oil Capacity:
Refer to manual, typically around 1.3 - 1.5 liters including filter change
Engine Mounting:
Engine-chassis separation design for improved ride comfort and handling
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
Crash Test Ratings:
N/A - scooters of this class were not crash tested by major rating agencies
Instrument Panel:
Multifunctional LCD display with analog speedometer and tachometer; indicators for fuel, engine temperature, oil pressure, and fault codes
Audio System:
N/A - not equipped with an audio system
ABS Availability:
Not standard for the 125 i.e.; check specific market configurations
Diagnostic Port:
On-board diagnostics (OBD) port for electronic fault code retrieval
Oil Change Interval:
Refer to manual; typically every 5,000 - 7,500 km or annually
Air Filter Replacement:
Refer to manual; typically every 10,000 - 15,000 km
Spark Plug Replacement:
Refer to manual for interval and specification
Belt Drive Inspection:
Crucial inspection for wear and tension, typically every 10,000 - 20,000 km
Coolant Type:
Ethylene glycol based coolant with corrosion inhibitors, typically 50/50 mix with distilled water
Brake Fluid Type:
DOT 4 specification brake fluid
Common Wear Items:
CVT belt, brake pads, tires, suspension bushings
Potential Faults 2008:
Fuel system sensor faults, electrical connections, or ignition coil problems; see manual troubleshooting
