NHTSA campaign 21V251000 · Yamaha campaign 990145
Yamaha Recall 21V-251: Missing Primary Sheave Nut May Cause Engine Stall
- Do not drive
Owners are advised not to drive these vehicles until the recall repair is done.
NHTSA recall 21V251000 (Yamaha campaign 990145) was reported by Yamaha Motor Corporation, USA on April 9, 2021, with 4,262 vehicles potentially affected (per NHTSA). NHTSA's record lists the Yamaha XC155 for model years 2015–2020. Owners were notified on April 28, 2021, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V251000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V251000 (also written 21V-251 or 21V251)
- Filed by
- Yamaha Motor Corporation, USA
- Yamaha campaign number
- 990145
- Report received
- Potentially affected
- 4,262 vehicles (per NHTSA)
- Component
- Engine
- Owners notified
Repair completion: 32.66% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 21V251000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V251000.
Defect description
Yamaha Motor Corporation, USA (Yamaha) is recalling certain 2015-2020 Yamaha XC155 scooters. The primary sheave nut may loosen and fall off.
Safety consequence
A missing primary sheave nut may cause a stall, without the ability to restart the engine, increasing the risk of a crash.
Manufacturer 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.
Sources
Official NHTSA notice for recall 21V251000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.