Aprilia 2009 RXV Enduro

Del:

Aprilia har nå lansert sin nye enduro, RXV 450 og 550.

Enduroen har blitt oppdatert med en ny svingarm i aluminium som er lettere og mer fleksibel enn tidligere. Dette skal gi bedre stabilitet og grep under kjøring i terreng.
Bakre bremsekalipter er også lettere. Resultatet er 2 kg lettere sykkel. Setet er også forandret, og salhøyden er redusert med 5 med mer.

V-twin motoren er videreutviklet og skal være bedre balansert. Sykkelen har to innstillinger på motorens effektkurve; en innstilling for maksimal kraft og en for mykere kraftpågang. Innstillingen endres enkelt med en knapp på styret.

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Tekniske data:

Engine

77° V twin four stroke. Liquid cooled. Single overhead cam with rocker operated exhaust valves, chain timing drive. 4 valve heads with titanium valves.

Bore x stroke

76 x 49.5 mm (80 x 55 mm).

Total displacement

449 cc (549 cc).

Compression ratio

12.5:1 (12:1).

Fuel system

Integrated electronic engine management system controlling ignition and fuel injection, with two power mappings.

Throttle body: 38 mm (40 mm).

Ignition

Electronic.

Starting

Electric starting.

Lubrication

Dry sump with external oil tank. Separate gearbox lubrication.

Clutch

Cable operated multi-plate wet clutch.

Exhaust system

Euro 3 lateral exhaust.

Conforms to FIM regulations for 2009.

Frame

Chrome-molybdenum steel perimeter frame with aluminium alloy vertical members. Steering head (rake) angle 27°. Lightweight rear frame.

Front suspension

Ø 45 mm upside down fork with two adjustments.

Rear suspension

Aluminium swingarm with cast body and hydroformed members.

Hydraulic monoshock with compression and rebound adjustment.

Brakes

Front: Ø 270 mm floating disc in stainless steel with aluminium flange. Nissin floating caliper.

Rear: Æ 240 mm stainless steel disc with floating caliper.

Wheels

Black anodised aluminium alloy.

Front: 1.60 x 21

Rear: 2.15 x 18

Tyres

Front: Metzeler 90/90 x 21

Rear: Metzeler 140/80 x 18

Dimensions

Overall length: 2,222 mm

Overall width: 800 mm

Ground clearance: 396 mm

Seat height: 941 mm

Wheelbase: 1,495 mm

Fuel tank

Capacity 7.8 litres

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