TECHNICAL INFO Aprilia SXV 
Technical specifications (550 cc engine specifications in brackets) Engine 77° V twin four stroke. Liquid cooled. Single overhead cam with rocker operated exhaust valves, chain timing drive, 4 valve heads, titanium valves. Fuel Lead-free petrol. Bore xstroke 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 engine management system controlling ignition and fuel injection.
Throttle body: 38 mm. (40 mm) Ignition Electronic. Starting Electric starting. Alternator 340 W. Lubrication Dry sump with external oil tank. Separate gearbox lubrication. Gearbox 5 speed. Supermotard gear ratios:
1st 13/30
2nd 15/27
3rd 16/23
4th 20/23
5th 21/21 Clutch Multiple discs in oil bath, cable operated.
Primary drive Spur gears. Transmission ratio: 22/56.
Final drive Chain. Transmission ratio: 15/46 (16/46).
Frame Steel perimeter frame with alloy vertical members.
Front suspension Ø 48 mm upside down fork, double adjustment.
Rear suspension Box section aluminium swingarm with cast body.
Hydraulic monoshock with compression and rebound adjustment.
Brakes Front: Ø 320 mm stainless steel disc with radial caliper.
Rear: 240 mm stainless steel disc with floating caliper.
Wheels Light alloy.
Front: 3.50 x 17"
Rear: 5.50 x 17"
Tyres Front: 120/70 x 17"
Rear: 180/55 x 17"
Dimensions Overall length: 2,220 mm
Overall width: 800 mm
Ground clearance: 318 mm
Seat height: 918 mm
Wheelbase: 1,495 mm
Fuel tank Capacity 7.8 litres
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