# NHTSA recall 21V502000

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

- Published by: NHTSA \(United States\)
- Campaign number: 21V502000
- Manufacturer's number: PA2ZZQ2107
- Manufacturer: Aprilia USA, Inc.
- Reported: 2021\-07\-01
- Owners notified: 2021\-07\-09
- Component: ENGINE
- Units potentially affected: 308
- Part numbers: 1A011945

## What is wrong

Aprilia is recalling certain 2021 RS 660 and Tuono 660 motorcycles.  The engine crankshaft connecting rod may break due to improper heat\-treatment.


## What can happen

A broken connecting rod can cause a sudden engine stall, increasing the risk of a crash.


## The 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.


## Notes

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.


## Remedy progress the manufacturer reported

- Report: Annual report 3, for 2025 quarter 3 to 2026 quarter 2
- Filed with NHTSA: 2026\-08\-14
- Vehicles in the campaign: 308
- Reported remedied: 306 \(99%\)
- Reported unreachable: 0
- Reported removed: 2

These are the manufacturer's totals for the whole campaign at the end of 2026 quarter 2, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026\-10\-19.

## Vehicles this campaign lists

- 2021 APRILIA RS 660
- [2021 APRILIA TUONO 660](/makes/aprilia/tuono/2021/recalls.md). Listed as a series or trim of this model.

## Bulletins for the same vehicles and component

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

- [A\_240704\_TC\_EN](/bulletins/11007165.md), 2024-09-06, Service bulletin
- [A\_210742\_TC\_EN](/bulletins/10200062.md), 2021-08-07, Service bulletin
- [A\_210574\_TC\_EN](/bulletins/10195395.md), 2021-06-08, Service bulletin
- [A\_210573\_TC\_EN](/bulletins/10195394.md), 2021-06-08, Service bulletin
- [A\_210393\_RC\_EN](/bulletins/10191958.md), 2021-05-08, Service bulletin

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

JSON: [/v1/recalls/nhtsa/21V502000](/v1/recalls/nhtsa/21V502000)

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