Yamaha Motor Corporation recalled 4,262 model year 2015-2020 Yamaha XC155 scooters due to potential safety risk.
The primary sheave nut may loosen and fall off.
A missing primary sheave nut may cause a stall, without the ability to restart the engine, increasing the risk of a crash.
Yamaha will notify owners, while dealers will install a primary retaining nut and washer free of charge.
Owners are advised not to ride their scooter until the remedy has been preformed.
There have been no reported incidents to date.