To check a Yonex racket serial number, look for two distinct sets of codes: a unique seven-digit production number on the shaft and a date/country code on the cone (just above the handle). How to Read Your Serial Numbers
Every genuine Yonex racket features :
Authentic rackets have a hologram on the cone that is extremely difficult to peel off. If it peels away easily like a standard sticker, it is likely fake. how to check yonex racket serial number