The Nexus 300 I.E. E3, available from 2008 onwards, is a sporty and capable maxi-scooter designed for performance and comfortable touring. As a product of an Italian manufacturer with a rich heritage now part of a larger group, the Nexus line represented a significant entry into the competitive maxi-scooter market. This model features a liquid-cooled, single-cylinder, four-stroke engine with electronic fuel injection, delivering approximately 22-23 HP and 23-24 Nm of torque, making it a dynamic choice for urban commuting and longer journeys. Its engineering quality is evident in its robust chassis, efficient cooling system, and reliable transmission. This comprehensive English-language Service Repair Workshop Manual provides detailed information essential for the maintenance and repair of your Nexus 300 I.E. E3. It covers a wide array of systems, including engine mechanicals, fuel injection, ignition, cooling, transmission, braking, suspension, steering, and electrical systems. The manual includes step-by-step repair procedures, scheduled maintenance intervals, troubleshooting guides, torque specifications, and detailed wiring diagrams. This resource is invaluable for owners, mechanics, and technicians aiming to keep the vehicle in optimal condition, ensuring its performance and longevity. 🏷️ Basic Information Identification Make: Gilera Model: Nexus 300 I.E. E3 Model Year: 2008 onwards Codes Emission Standard: E3 👋 Introduction Market Position Segment: Sport scooter / Maxi-scooter Target Audience: Owners and mechanics seeking comprehensive repair and maintenance data for the Gilera Nexus 300. Competitive Analysis Key Competitors Era: Suzuki Burgman 400, Yamaha TMAX 500 (larger displacement but comparable segment), Aprilia Atlantic 250/300, Piaggio X8/X9. Key Features Vehicle Performance Orientation: Designed as a sporty and capable maxi-scooter with a focus on performance and comfortable touring. Key Features Manual Completeness: Comprehensive factory service repair workshop manual, offering complete coverage. Accessibility: Instant digital download for immediate use. 📋 Manual Details Coverage Areas Manual Type: Service Repair Workshop Manual Language: English Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine overhaul, disassembly, assembly, component inspection and replacement (e.g., piston, rings, crankshaft, camshaft, valves). Engine Fuel System: Fuel injection system (throttle body, injectors, fuel pump, pressure regulator), fuel filter replacement, fuel system diagnostics. Engine Ignition System: Spark plug replacement, ignition coil testing, CDI unit troubleshooting. Cooling System: Radiator, fan, coolant hoses, water pump, thermostat replacement and testing, coolant flush and refill procedures. Exhaust System: Catalytic converter information, muffler and pipe inspection and replacement. Transmission System: Automatic transmission operation, clutch system inspection and adjustment, CVT belt inspection and replacement, gearbox oil change and level check. Braking System: Front and rear brake caliper service, brake pad replacement, brake fluid flush and bleed, brake line inspection. Suspension System: Front fork overhaul, rear shock absorber replacement, linkage maintenance. Steering System: Handlebar inspection, steering head bearing maintenance and adjustment. Electrical System: Battery testing and replacement, charging system (stator, regulator/rectifier), starter motor, lighting system troubleshooting, wiring diagrams, fuse box layout and identification. Bodywork And Chassis: Panel removal and installation, seat adjustment, fairing component repair, chassis inspection. Procedures Included Scheduled Maintenance: Detailed service intervals for oil changes, filter replacements, spark plugs, valve clearance checks, brake fluid, coolant, and transmission fluid. Troubleshooting Guides: Diagnostic procedures for common starting issues, engine performance problems, electrical faults, and braking system irregularities. Repair Procedures: Step-by-step instructions for a wide range of repairs, from simple component replacements to complex engine and transmission rebuilds. Torque Specifications: Crucial torque values for engine components, fasteners, suspension parts, and bodywork. Wiring Diagrams: Comprehensive electrical wiring schematics for easy identification and troubleshooting of electrical circuits. Technical Depth Depth Of Coverage: Full factory-level repair and maintenance information, suitable for both amateur mechanics and professional technicians. Diagnostic Capabilities: Inclusion of diagnostic fault codes (DTCs) and procedures for interpreting and resolving them, particularly for the I.E. (Injection) system. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable, enabling quick access to specific information. Print Quality Image Resolution: High-resolution images and diagrams for clarity. Scalability: Printable at various sizes without significant loss of detail. Binding Type Delivery Method: Instant Download Licensing: No expiry dates, unlimited access upon purchase. ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, four-stroke Displacement: 278 cc (approximate, based on Nexus 300 models) Bore X Stroke: 75 mm x 63 mm (typical for this engine family) Valvetrain: SOHC, 4 valves Cooling System Type: Liquid-cooled Emission Compliance: Euro 3 (E3) Performance Horsepower Output: Approx. 22-23 HP (at 7,500 rpm) Torque Output: Approx. 23-24 Nm (at 6,000 rpm) Fuel System Fuel Delivery: Electronic Fuel Injection (I.E.) Fuel Type: Unleaded gasoline (RON 95 recommended) 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Optional Transmission Variants: N/A (standard CVT for this model) Features Drive Type: Belt drive Transmission Fluid Type: Specific automatic transmission fluid (refer to manual for exact specification, e.g., SAE 75W-90 or equivalent). 📐 Dimensions Exterior Length: Approx. 2,180 mm Width: Approx. 780 mm Height: Approx. 1,330 mm Wheelbase: Approx. 1,505 mm Weights Dry Weight: Approx. 175 kg...