Track-only Buzzsaw: 2009 Aprilia RS125
Built and sold for the street in just about every other country, the 2009 Aprilia RS125 came to this country as a track-only weapon, thanks to its two-stroke mill’s inability to pass EPA muster. That didn’t stop more than a few track rats from ponying up the $5,500 MSRP for one of these GP grid-derived…