The defect
Yamaha Motor Corporation, USA (Yamaha) is recalling certain 2015-2020 Yamaha XC155 scooters. The primary sheave nut may loosen and fall off.
The risk
A missing primary sheave nut may cause a stall, without the ability to restart the engine, increasing the risk of a crash.
The remedy
Owners are advised not to ride their scooter until the remedy has been preformed. Yamaha will notify owners, and dealers will replace the primary retaining nut and washer with one of a new design, free of charge. Owner notification letters were mailed on April 28, 2021. Owners may contact Yamaha's customer service at 1-800-962-7926. Yamaha's number for this recall is 990145.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Yamaha XC155 | 2015, 2016, 2017, 2018, 2019, 2020 |
Components: ENGINE
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Yamaha XC155 | 2015 | 1 | 2 |
| Yamaha XC155 | 2016 | 0 | 2 |
| Yamaha XC155 | 2017 | 0 | 2 |
| Yamaha XC155 | 2018 | 1 | 2 |
| Yamaha XC155 | 2019 | 0 | 1 |
| Yamaha XC155 | 2020 | 0 | 1 |
Other engine recalls in 2021
20 of the 988 recall campaigns reported to NHTSA in 2021 concerned the engine; Yamaha Motor Corporation, USA filed 46 campaigns in all.
| 21V844000 29 Oct 2021 | Kia Motors America |
| 21V806000 15 Oct 2021 | Yamaha Motor Corporation, USA |
| 21V727000 17 Sept 2021 | Hyundai Motor America |
| 21V609000 4 Aug 2021 | PACCAR Incorporated |
| 21V598000 2 Aug 2021 | BMW of North America, LLC |
| 21V502000 1 Jul 2021 | Aprilia USA, Inc. |
| 21V341000 12 May 2021 | Porsche Cars North America, Inc. |
| 21V336000 12 May 2021 | Lamborghini (Automobili Lamborghini) |
NHTSA recalls (public domain) · all recalls of 2021