2009 Aprilia RSV4 Factory First Ride
…. Now where have we heard that before lately? Yep, it?s a lot like the new cross plane crank R1 in that it has usable power everywhere. It?s deep, growling engine note is similar, too. But unlike the Yamaha, the engine is far more compact, which allows the RSV4 to be smaller and more agile. The V4 motor…