The 2021 Aprilia Tuono 660 takes all of the sportbike chops of the ground-breaking Aprilia RS 660 and delivers it in a sit-up sport package. My advice is to get to the canyons to sample the Tuono 660 in its natural habitat. Photos by Larry Chen.

For the past several years, the middleweight naked sportbike class has kept its party going at a fever pitch. Street-ready motorcycles with sporting blood in them have helped keep the motorcycle industry?s wheels turning. And ready to shake its moneymaker at this party is the all-new 2021 Aprilia Tuono 660. 

Naked bike enthusiasts have held the Tuono moniker near and dear to their hearts for nearly two decades now. What was originally a stripped-down, sit-up version of the RSV Mille known for effortless wheelies evolved into a stripped-down, sit-up version of the RSV4, also known for effortless wheelies. The Tuono V4 delivers all the thrills and chills of a superbike in a more comfortable package and comfort certainly doesn?t diminish capability ? Rennie Scaysbrook set a motorcycle record of 9:44.963 aboard a Tuono V4 1100 Factory during the 2019 Pikes Peak International Hill Climb.
The 2021 Aprilia Tuono 660 is available in three colors: Concept Black (left), Acid Gold (+$200, middle) and Iridium Grey (Right).

The Aprilia Tuono 660 follows the same principle by taking the Aprilia RS 660 middleweight sportbike, tossing on a set of handlebars, shaving off some plastic and fiddling with geometry to make the RS 660?s s...