2021 Aprilia RS 660, 2021 Aprilia Tuono 660 Recall: Engine crankshaft connecting rod may break due to improper heat-treatment
NHTSA campaign 21V502000 · Engine · filed Jul 1, 2021 · verified Jul 30, 2026
The defect
Aprilia is recalling certain 2021 RS 660 and Tuono 660 motorcycles. The engine crankshaft connecting rod may break due to improper heat-treatment.
The risk
A broken connecting rod can cause a sudden engine stall, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Affected vehicles
Related recalls
Other campaigns involving Aprilia vehicles
- 2026 Aprilia RSV4 1100 E5+ and 3 other models — Turn signals and tail lights may flicker or stop working
- 2017–2018 Aprilia RSV4 RF and 3 other models — Front brake pads may corrode, potentially causing the front…
- 2014–2019 Aprilia Dorsoduro and 6 other models — Due to a problem with the front brake master cylinder, the…
Source: NHTSA recall database, campaign 21V502000 (manufacturer number PA2ZZQ2107). Data last verified Jul 30, 2026.