Segment:
Sport Scooter / Maxi-Scooter
Target Audience:
Commuters, recreational riders seeking performance and comfort.
Key Competitors 2008:
Yamaha TMAX 500, Suzuki Burgman 400, Kymco Xciting 500, Honda Silver Wing 600 (though Nexus 300 is smaller displacement).
Design Philosophy:
Sporty aesthetics, agile handling, comfortable for longer distances compared to smaller scooters.
Value Proposition:
Provides comprehensive technical data to empower owners and technicians for effective maintenance and repair, reducing reliance on expensive dealership services.
Coverage Scope:
Complete Service, Repair, Maintenance, Refurbishment, Restoration
Estimated Page Count:
Hundreds (Specific count not provided, but implies extensive detail)
Manual Type:
Service Repair Manual
Language:
English (Implied by product description and sales platform)
Format:
PDF (Downloadable)
Engine And Powertrain:
Engine assembly, disassembly, tuning, cooling system, lubrication system, fuel system, ignition system, exhaust system, emissions control (E3 compliant).
Chassis And Suspension:
Front fork assembly and disassembly, rear shock absorber and linkage, swingarm maintenance, steering system.
Braking System:
Front and rear brake calipers, master cylinders, brake lines, brake disc replacement, brake fluid bleeding and replacement.
Electrical System:
Wiring diagrams, battery service, starter motor, alternator, lighting system (headlight, taillight, indicators), horn, dashboard instrumentation, ECU diagnosis and troubleshooting.
Bodywork And Trim:
Fairing removal and installation, seat assembly, body panel adjustments, fasteners and hardware.
Wheels And Tires:
Tire inspection and replacement, wheel bearing maintenance, tire pressure specifications.
Maintenance:
Scheduled maintenance tasks, oil and filter changes, coolant replacement, spark plug replacement, air filter cleaning/replacement, brake pad inspection/replacement.
Troubleshooting:
Diagnostic procedures for common starting issues, running problems, electrical faults, and performance anomalies. Includes symptom-based troubleshooting guides.
Repair And Rebuild:
Detailed step-by-step instructions for component disassembly, cleaning, inspection, repair, and reassembly (e.g., engine rebuild, transmission overhaul).
Restoration And Refurbishment:
Guidance for bringing a used or neglected vehicle back to optimal condition, including potential parts sourcing and finishing techniques.
Depth Of Information:
Comprehensive; covers basic to advanced repair, diagnostics, and full rebuilds. Suitable for both DIY enthusiasts and professional technicians.
Engine Type:
Four-stroke, single-cylinder, liquid-cooled, DOHC
Displacement:
278 cc (Cubic Centimeters)
Bore X Stroke:
75 mm x 63 mm (Approximate, needs verification in manual)
Compression Ratio:
11.8:1 (Approximate, needs verification in manual)
Horsepower:
Approx. 22.4 HP (16.5 kW) @ 7,500 rpm (Needs manual verification for specific model year)
Torque:
Approx. 23 Nm (17 lb-ft) @ 6,000 rpm (Needs manual verification for specific model year)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
12 Liters (Approximate, needs manual verification)
Valve Train:
DOHC, 4 valves
Length:
Approx. 2170 mm (Needs manual verification)
Width:
Approx. 790 mm (Needs manual verification)
Height:
Approx. 1430 mm (Seat height potentially lower, needs manual verification)
Dry Weight:
Approx. 184 kg (Needs manual verification)
Gross Vehicle Weight Rating:
Needs manual verification
Crash Test Ratings:
N/A for motorcycles/scooters in typical automotive ratings.
Braking System:
Dual disc front brakes, single disc rear brake. ABS likely optional or standard depending on market (E3 designation may imply some advanced features).
Lighting:
Halogen headlight, LED taillight and indicators (typical for the era).
Frame Construction:
Steel double cradle frame.
Dashboard Instrumentation:
Analog speedometer and tachometer, digital display for fuel level, engine temperature, odometer, trip meter, clock. Warning lights for various systems.
ABS:
ABS was often an optional extra or standard on higher trim levels for this model year, especially in European markets.
Connectivity Features:
None typically associated with this model year beyond basic vehicle diagnostics.
Engine Oil Change:
Typically every 3,000 - 5,000 km or annually (Refer to manual for precise interval).
Air Filter Inspection:
Every 5,000 km or annually (Refer to manual).
Spark Plug Replacement:
Every 10,000 - 15,000 km (Refer to manual for specific plug type and gap).
Coolant Replacement:
Every 2 years or as per manual specification (typically involves draining, flushing, and refilling).
Engine Oil Type:
Synthetic 5W-40 or 10W-40 (API SG/SH/SJ or higher, JASO MA/MA2) - Verify in manual.
Engine Oil Capacity:
Approx. 1.3 - 1.5 Liters (including filter replacement) - Verify in manual.
Coolant Type:
Ethylene glycol based, suitable for 2-stroke or 4-stroke engines (e.g., Piaggio's own coolant or equivalent) - Verify in manual.
Brake Fluid Type:
DOT 4 (Verify in manual for front and rear systems).
Common Wear Items:
Tires, brake pads, drive belt (CVT), battery, suspension bushings.
Potential Reliability Points:
Early models might have had minor electrical gremlins or thermostat issues. Regular maintenance is key to longevity. Fuel pump longevity can be a concern if fuel quality is poor.
Manufacturer:
Piaggio & C. S.p.A. (owns Gilera brand)
Introduction Year:
The Nexus line was introduced around 2003. The 300cc version likely appeared later, with the 2008 model year being a key iteration.
Engine Development:
The 300cc engine is a development from Piaggio's Quasar engine family, known for its reliability and performance.
Manufacturing Location:
Primarily Italy (Piaggio group plants).
