The RS 660 has always sat near the top of the leaderboard in the parallel-twin sports bike company. But that hasn’t stopped Aprilia from making things even better. The 660cc, pa ...
I landed on the RS 660 from Italian giant Aprilia, so let's get to it. Aprilia RS 660 Like Yamaha, the Italians stick to the racing side of the build, even though it's also a street-legal machine.