Target Audience:
Owners, independent repair shops, and professional technicians servicing Gilera Nexus 125 scooters.
Value Proposition:
Provides factory-level diagnostic, repair, and maintenance information for accurate and efficient servicing.
Content Source:
Original factory service manual, ensuring accuracy and completeness.
Competitors:
Competed with models like the Yamaha X-MAX 125, Suzuki Burgman 125, and Piaggio Xevo 125.
Engine:
Detailed engine diagnostics, overhaul, and repair procedures
Power Supply:
Ignition system, charging system, starting system
Suspensions:
Front and rear suspension inspection, adjustment, and repair
Chassis:
Frame inspection, alignment, and component replacement
Braking System:
Brake caliper, master cylinder, brake lines, and ABS (if applicable) servicing
Cooling System:
Radiator, coolant, water pump, and thermostat service
Electrical System:
Comprehensive wiring diagrams, component testing, and troubleshooting
Bodywork:
Panel removal/installation, trim, and exterior component repair
Fuel System:
Fuel tank, fuel pump, injectors/carburetor, fuel lines, and filters.
Exhaust System:
Exhaust pipes, muffler, catalytic converter (if fitted), and lambda sensor diagnostics.
Wheels And Tires:
Wheel bearing service, tire pressure, and inspection.
Steering:
Handlebar, steering stem, and bearings maintenance.
Instruments And Controls:
Dashboard, switches, cables, and levers.
Maintenance:
Scheduled maintenance tasks, fluid changes, filter replacements
Troubleshooting:
Diagnostic procedures for common and complex issues
Repair:
Step-by-step repair instructions for all major vehicle systems
Diagnostics:
Diagnostic flowcharts and fault code interpretation
Pre Delivery:
Pre-delivery inspection and setup procedures
Torque Specifications:
Crucial torque values for all fasteners during assembly and disassembly.
Special Tools:
List and usage of specific tools required for certain repair and maintenance procedures.
Wiring Diagrams:
Detailed electrical schematics for accurate fault finding and component identification.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine rebuilds and advanced electrical diagnostics, as used by professional technicians.
Diagnostic Charts:
Flowcharts for troubleshooting various symptoms, guiding the technician through a systematic diagnostic process.
Compatibility:
All Versions of Windows & Mac
Requirements:
Adobe PDF Reader
Searchability:
Likely text-searchable due to PDF format, aiding quick information retrieval.
Printability:
Printable pages for convenient workshop use.
Index Capability:
PDF format usually allows for keyword searching and chapter navigation, enhancing usability.
Engine Type:
Likely single-cylinder, four-stroke (common for 125cc scooters of this era).
Displacement:
125cc (as indicated by model name)
Fuel Delivery:
Likely electronic fuel injection (EFI) or carburetor, depending on specific market and variant.
Power Output Estimate:
Approx. 15-18 HP (typical for 125cc maxi-scooters, specific data in manual).
Torque Estimate:
Approx. 12-14 Nm (specific data in manual).
Engine Code Identifier:
Specific engine codes (e.g., M381M) would be detailed within the manual, crucial for parts identification.
Cooling Method:
Liquid-cooled, featuring a radiator and fan.
Ignition Type:
Electronic ignition (CDI or similar).
Oil Change Interval:
Likely 4,000-6,000 km or annually, refer to manual for precise interval.
Spark Plug Replacement:
Typically every 10,000-12,000 km.
Air Filter Inspection:
Regular inspection, replacement as needed (e.g., every 8,000 km).
Coolant Replacement:
Typically every 2 years or as per manual recommendation.
Brake Fluid Replacement:
Recommended every 2 years to maintain performance and prevent moisture absorption.
Engine Oil Type:
Likely SAE 10W-40 or 15W-50, API SG or higher, JASO MA certified. Specific viscosity and standard in manual.
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors, typically a 50/50 mix with distilled water.
Brake Fluid Type:
DOT 4 is common for this era of scooter.
Transmission Oil:
Specific gear oil specification for the final drive reduction gears will be detailed. Not applicable to CVT fluid itself as it's typically a closed system.
Coolant Capacity:
Coolant capacity will be specified, critical for proper filling and bleeding of the system.
Potential Wear Items:
CVT belt, variator rollers, brake pads, suspension components, electrical connectors (common in scooters with extensive wiring).
Typical Faults:
Could include issues related to fuel system, charging system, or exhaust emissions depending on maintenance history.
Diagnostic Tools:
The manual will likely outline the use of specific diagnostic tools or methods for electronic systems.
Manufacturer:
Gilera is an Italian manufacturer with a long history in motorcycle and scooter production, known for performance and sport-oriented models.
Positioning:
The Nexus line was Gilera's offering in the competitive maxi-scooter segment, emphasizing sporty handling and touring comfort.
Design Philosophy:
The Nexus was designed as a sport-touring scooter, blending the agility of a scooter with the comfort and stability of a motorcycle.
Era:
Produced during the mid-to-late 2000s, a period of significant development in scooter technology.
