Gilera Nexus 500 Specs and Features
The Gilera Nexus 500cc is driven by a single-cylinder four stroke with single overhead camshaft with integrated tone wheel, control from flywheel side chain, 4 valves and automatic start-up valve lifting device timing system. The Nexus 500 features Ø 38 mm throttle body and single injector electronic injection system with electric fuel pump for its fuel supply and automatic expandable pulley variator with torque server, V belt, automatic clutch, gear reduction unit and transmission housing with forced air circulation cooling transmission system. The innovative “Power Drive” rear shock absorber system is fully adjustable to suit different riding style and road conditions.
The following table contains detail technical specification for Gilera Nexus 500 engine, transmission, suspension, brakes, tire, and wheel.
2008 Gilera Nexus 300 Engine Specs
| Engine Type | Single-cylinder, 4-stroke |
| Engine Capacity | 460 cm³ |
| Bore x Stroke | 92 x 69 mm |
| Compression ratio | 10.5: 1 |
| Idle speed | 1500 ± 50 rpm |
| Timing system | Single overhead camshaft with integrated tone wheel, control from flywheel side chain, 4 valves and automatic start-up valve lifting device. |
| Valve clearance | 0.15 mm (when cold) |
| Max. power | 29 kW (39 CV) at 7250 rpm |
| Max. torque | 40 N·m (4 kgm) at 5500 rpm |
| Main drive | With automatic expandable pulley variator with torque server, V belt, automatic clutch, gear reduction unit and transmission housing with forced air circulation cooling. |
| Air filter | Sponge, impregnated with mixture (50% petrol and 50% oil) |
| Lubrication | By trochoidal pump (inside the crankcase), pressure adjustment by-pass and oil filter. |
| Cooling | Fluid circulation through a motor-driven pump, 3-way thermostat and electric fan. |
| Electric start-up | Electric starter system with freewheel. |
| Ignition | inductive, high efficiency integrated with the injection system, with variable timing and separate HV coil. |
| Spark plug | NGK CR7EKB |
| Fuel supply | Electronic injection system with electric fuel pump, Ø 38 mm throttle body and single injector. |
| Battery | Dry-cell lead-acid battery, 12V-14Ah |
| Generator | Three-phase alternating current |
2008 Gilera Nexus 300 Frame, Suspension and Braking System Specs
| Chassis | Welded tubular steel chassis with stamped sheet reinforcements |
| Front suspension | Hydraulic telescopic fork with diameter 41 mm stems |
| Rear suspension | Type “Power drive”: Shock absorber (with doubleacting helicoidal spring and adjustment of the spring preload in 7 positions) mounted in horizontal position, connected to a connecting rod pivoted to a strut with variable length. By varying the length of the strut it is possible to modify the geometry and balance of the rear axle (15 positions). The motor has a fixed connection to the frame by means of a shaft (direct link). |
| Front Brake | Twin discs of stainless steel, dia. 260 mm, with floating calliper and twin 28 mm diameter plungers (Brembo) at front right and twin 26 mm diameter plungers (Brembo) at front left. |
| Rear Brake | Disc of stainless steel, dia. 240 mm, with fixed calliper and two opposed 34 mm diameter plungers |
2008 Gilera Nexus 300 Wheels and Tires Specs
| Wheel rim type | Die-cast aluminium alloy |
| Front Tire (Type/Size) | Bridgestone 120/70-R15″ Tubeless 56H |
| Rear Tire (Type/Size) | Bridgestone 160/60-R14″ Tubeless 65H |
| Front Rim Size | 3.50 x 15″ |
| Rear Rim Size | 4.50 x 14″ |
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Tags: Brake, Engine, Suspension, Tire, Transmission, Wheel