With the Aprilia Tuono 660’s parallel twin engine creating some buzz, there has been talk of vibrations, with some riders feeling a buzzing at certain RPMs or speeds. Opinions on this topic differ widely, and it’s become a point of contention among owners and potential buyers. They say the vibrations are so strong that they can be uncomfortable on longer rides or at highway speeds, while others say the vibrations are minimal, or no worse than other bikes in its class. The debate involves factors such as handlebar grips, footpeg design, and even personal sensitivity to vibrations. We also talk about whether recent model years have solved this problem. So let’s look at some different takes on the Tuono 660’s vibration and how it affects the ride.