Vehicle recall 21V251000 · April 9, 2021
2015-2020 Yamaha XC155
The primary sheave nut may loosen and fall off.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
Do not drive affected vehicles until they are repaired. This is the manufacturer’s safety advisory for this recall.
- Summary
- Yamaha Motor Corporation, USA (Yamaha) is recalling certain 2015-2020 Yamaha XC155 scooters. The primary sheave nut may loosen and fall off.
- Consequence
- A missing primary sheave nut may cause a stall, without the ability to restart the engine, increasing the risk of a crash.
- 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.
- 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.safercar.gov.
Recall details
- NHTSA campaign
- 21V251000
- Reported to NHTSA
- April 9, 2021
- Filed by
- Yamaha Motor Corporation, USA
- Manufacturer campaign
- 990145
- Owner notification
- April 28, 2021
- Vehicles potentially affected
- 4,262
- Initiated by
- the manufacturer
- Components
- Engine
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
Has your Yamaha been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Yamaha dealer can also check your VIN. Recall repairs are free.