Aprilia is recalling certain 2021 RS 660 and Tuono 660 motorcycles. The engine crankshaft connecting rod may break due to improper heat-treatment.
Motorcycle had a sudden engine knock causing catastrophic engine failure after going over a abutment. Issue found to be a broken connection rods. No warning lights, clear traffic, happened at 3:30 in the morning.
No injuries · No fire · No crash