To check a racket's serial number, you must locate two distinct codes: a seven-digit serial number on the shaft and a production code

Here are some notable features of genuine Yonex products: * Laser Engraved Codes: Genuine Yonex rackets have laser engraved codes, errbadmintonrestring.my WARNING: Counterfeits – Yonex USA

: A 7-digit unique code located on the shaft just above the cone. This number is unique to each individual racket. Cone Production Code

To check a Yonex racket serial number, look for two distinct codes: a 7-digit unique number laser-engraved on the shaft and a specific date-formatted code laser-engraved on the cone