Yamaha Motor Corporation, USA – Missing Primary Sheave Nut May Cause Engine Stall

Yamaha Motor Corporation, USA (Yamaha) is recalling certain 2015-2020 Yamaha XC155 scooters. The primary sheave nut may loosen and fall off.


Report Received Date 04/09/2021
NHTSA ID 21V251000
Consequence Summary A missing primary sheave nut may cause a stall, without the ability to restart the engine, increasing the risk of a crash.
Corrective Action 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.
Recall Code 990145
Potentially Affected 4262
Fire Risk When Parked No
Do Not Drive Yes
Recall Link Go to Recall (https://www.nhtsa.gov/recalls?nhtsaId=21V251000)