2011 Aprilia RS4 50 gallery

2011 Aprilia RS4 50

TYPE: Sport
Engine and transmission
Displacement: 49.90 ccm (3.04 cubic inches) Power:
Engine type: Single cylinder, two-stroke Stroke:
Bore x stroke: 39.9 x 40.0 mm (1.6 x 1.6 inches) Gearbox:
Cooling system: Compression: 11.5:1

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