Aprilia RS 50 PICTURE, WALLPAPER, and SpecificationsSpecifications :Model: Aprilia RS 50Year: 2009Category: SportRating: 68.5 out of 100. Show full rating and compare with other bikesSafety: See our safety campaign with the high safety rated bikes in this category.Engine and transmissionDisplacement: 49.90 ccm (3.04 cubic inches)Engine type: Single cylinderStroke: 2Compression: 11.5:1Bore x