These Aprilias Could Give The KTM 125 Duke And RC 125 A Run For Their Money These Aprilias Could Give The KTM 125 Duke And RC 125 A Run For Their Money The Aprilia RS 660 was an important motorcycle for the Italian marque. Not only did it mark the Italian brand’s entry in the mid-displacement supersport segment, but it also gave the world an insight into its new design language. The Tuono 660, 2021 RSV4, and the Tuono V4 eventually followed. Now, the House of Noale has updated the smallest of the lot: the RS 125 and Tuono 125. Just a glance and you know these pocket rockets take design ...