NHTSA (USA)Critical
2021 APRILIA RS 660NHTSA Campaign #21V502000
The official notice
Defect
Aprilia is recalling certain 2021 RS 660 and Tuono 660 motorcycles. The engine crankshaft connecting rod may break due to improper heat-treatment.
Safety Risk
A broken connecting rod can cause a sudden engine stall, increasing the risk of a crash.
Remedy
Dealers will replace the engine, free of charge. Owner notification letters were mailed on July 9, 2021. Owners may contact Aprilia customer service at 1-212-380-4400. Aprilia's number for this recall is PA2ZZQ2107.
308 vehicles affectedMfr ref: PA2ZZQ2107Updated June 10, 2026