🏷️ Basic Information

Make:

Piaggio-Gilera

Model:

Nexus 300 i.e. E3

Product Type:

Service Repair Manual

Applicable Year:

2008

Engine Variant:

300 i.e.

Engine Code Prefix:

M311M

Emission Standard:

Euro 3 (E3)

👋 Introduction

Product Segment:

Premium Maxi-Scooter

Target Audience:

Owners seeking comprehensive self-maintenance and repair capabilities, independent workshops, and technical schools.

Key Competitors:

Yamaha XMAX 250, Suzuki Burgman 250, Kymco Downtown 300.

Manual Advantage:

Original factory documentation ensures accuracy and completeness for all service and repair operations.

Download Convenience:

Instant download eliminates shipping delays and provides immediate access to critical repair information.

📋 Manual Details

Manual Content Summary:

Service, repair procedures, assembly, disassembly, wiring diagram, maintenance, troubleshooting, pre-delivery checks, and technical specifications.

Specific Systems Covered:

Engine, Injection system, Cooling system, Braking system, Suspensions, Electrical system, Chassis, Tooling.

Diagnostic Coverage:

Troubleshooting guide for common issues and system malfunctions.

Estimated Page Count:

Detailed page count not specified, but described as 'most complete original factory Service Repair manual'.

Manual Type:

Service and Repair Manual

Language:

English

File Format:

PDF

Digital Delivery:

Instant Download

Printability:

All pages printable

Software Requirement:

Adobe PDF Reader

Compatibility:

All Versions of Windows & Mac

📖 Manual Coverage

Engine Systems:

Complete engine disassembly, assembly, internal component specifications, lubrication, timing, and fuel injection system diagnostics.

Fuel And Ignition:

Detailed coverage of the electronic fuel injection (i.e.) system, including sensors, actuators, ECU mapping, and ignition system components.

Cooling System:

Radiator, fan, thermostat, coolant specifications, and leak testing procedures.

Braking System:

Front and rear brake caliper servicing, hydraulic system bleeding, brake pad replacement, and lever/pedal adjustments.

Suspension And Steering:

Front fork disassembly, rear shock absorber servicing, linkage lubrication, and steering head bearing maintenance.

Electrical System:

Comprehensive wiring diagrams for the Nexus 300ie EURO 3, including lighting, starting system, charging system, instrumentation, and sensor circuits.

Chassis And Bodywork:

Frame inspection, body panel removal and installation, seat and storage compartment access.

Routine Maintenance:

Oil changes, filter replacements (oil, air, fuel), spark plug checks, chain/belt adjustment (if applicable), brake fluid checks, coolant checks.

Repair Procedures:

Step-by-step instructions for engine rebuilds, transmission servicing, suspension component replacement, brake system overhaul, and electrical component diagnosis.

Troubleshooting:

Diagnostic trees and symptom-based troubleshooting for common performance issues, starting problems, and electrical faults.

Assembly Disassembly:

Detailed instructions for component removal and installation, including torque specifications.

Pre Delivery Inspection:

Checks and adjustments required before vehicle delivery to the customer.

Diagnostic Level:

Advanced diagnostics covering ECU data, sensor readings, and actuator testing.

Rebuild Capability:

Supports full engine and transmission rebuilds with detailed internal specifications.

Electrical Diagrams:

Schematic diagrams for all electrical circuits, aiding in fault finding and component replacement.

📊 Manual Specifications

File Type:

PDF

Print Resolution:

High quality, suitable for professional printing.

Binding Type:

Digital Download (no physical binding)

Paper Type:

N/A (Digital File)

⚙️ Engine Specifications

Engine Type:

Four-stroke, Single Cylinder, Liquid-cooled

Engine Displacement:

278 cc (approx.)

Bore X Stroke:

75 mm x 63 mm (typical for 300cc Piaggio Quasar engine)

Compression Ratio:

11.2 : 1 (typical for Quasar 300)

Horsepower:

Approximately 22.5 HP (16.5 kW) at 7,500 rpm (varies by region and specific tune)

Torque:

Approximately 23 Nm at 6,000 rpm (varies by region and specific tune)

Fuel Delivery:

Electronic Fuel Injection (MPI - Multi-Point Injection)

Fuel Type:

Unleaded Gasoline (RON 95 or higher recommended)

Oil Type:

Refer to manual for specific API service classification and viscosity grade (e.g., SAE 5W-40, API SG or higher).

Oil Capacity:

Refer to manual for exact capacity (typically around 1.2 - 1.3 liters with filter change).

Engine Mounting:

Engine is a stressed member of the chassis, integrated with the rear swingarm assembly.

Engine Removal Procedure:

Requires removal of rear wheel, exhaust system, and potentially rear suspension components. Detailed steps provided in the manual.

🔧 Transmission

Transmission Type:

Automatic (CVT - Continuously Variable Transmission)

Drive System:

Belt drive to rear wheel via centrifugal clutch and automatic variator.

Clutch Type:

Automatic centrifugal dry clutch with variator.

Transmission Fluid:

N/A for CVT drive; requires specific CVT belt and roller maintenance.

📐 Dimensions

Wheelbase:

Refer to manual for exact specification (typically around 1500 mm for this class).

Dry Weight:

Refer to manual for exact specification (typically around 160-170 kg).

Fuel Tank Capacity:

Refer to manual for exact specification (typically around 12 liters).

🛡️ Safety Features

Safety Certification:

Euro 3 compliant for emissions, indicating adherence to European safety and environmental standards.

Braking System:

Front and rear disc brakes. Manual provides specifications for brake pad types and fluid specifications (e.g., DOT 4).

Lighting System:

Halogen headlight, LED taillight, turn signals. Wiring diagrams are crucial for maintenance.

Chassis Design:

Steel frame construction contributing to stability and rider safety.

💡 Technology Features

Instrument Cluster:

Digital and analog display featuring speedometer, tachometer, fuel gauge, odometer, trip meter, and warning lights. Comprehensive explanation in manual.

Anti Theft System:

May feature an immobilizer system. Manual would cover its operation and basic troubleshooting.

Diagnostic Port:

On-board diagnostic (OBD) port for connection to diagnostic tools, essential for modern fuel injection systems. Wiring diagram clarifies its location and function.

🔧 Maintenance

First Service:

Typically around 1,000 km or 1 month (check manual for exact interval).

Subsequent Service:

Generally every 5,000 km or 6 months, encompassing oil changes, filter checks, and comprehensive inspections.

Engine Oil Grade:

Refer to manual for precise API/JASO and SAE specifications (e.g., SAE 5W-40 API SG or higher).

Coolant Type:

Ethylene glycol-based antifreeze mixture. Specific concentration and type detailed in manual.

Brake Fluid:

DOT 4 brake fluid recommended for optimal performance and safety.

Common Wear Items:

CVT belt and rollers, brake pads, suspension bushings, and wheel bearings are common wear items that may require replacement based on mileage and usage.

Fuel Injection System:

While robust, issues can arise from dirty fuel injectors, faulty sensors (e.g., TPS, MAP), or fuel pump problems. Manual assists in diagnosis.

Special Tools:

Manual lists specific tools required for engine disassembly, variator removal, suspension servicing, and electrical diagnostics (e.g., timing tools, specific wrenches).

📚 Vehicle History

Parent Company:

Piaggio & C. S.p.A. is one of the oldest scooter manufacturers in the world, founded in 1884.

Nexus Lineage:

The Nexus series represents Piaggio-Gilera's entry into the maxi-scooter market, blending sportiness with comfort.

Manufacturing Origin:

Typically manufactured in Italy, a hub for Piaggio Group production.

🏆 Awards & Recognition

Model Awards:

While specific awards for the 2008 Nexus 300 i.e. are not widely publicized, Piaggio-Gilera scooters are generally recognized for their Italian design, performance, and build quality in their respective segments.

Certification:

Euro 3 certification confirms compliance with European emissions standards.