Recall #: 2021-379-414 (Manufacturer recall# PA2ZZQ2107) Models Involved: 2021 Aprilia Tuono 660 Number of Vehicles: 54 Issue: On certain motorcycles, the engine connecting rods could break and cause an engine failure. This could cause a sudden loss of power with an inability to restart. Safety Risk: An engine failure could increase the risk of a crash. Corrective Actions: