Look at the month and day. If the digits read 351462SP , it is an instant fake. There is no 35th day of a month.
On genuine Yonex rackets, these numbers are laser-engraved (slightly indented into the paint) rather than painted or printed on top. How to Read the Yonex Serial Number Structure how to check yonex racket serial number
: Year of production (e.g., '3' could mean 2003 or 2013, which must be cross-referenced with when that specific model was actually in production). : Model revision or manufacturing batch code. : Distribution country code (e.g., for Japan, for Singapore/South Pacific, for United Kingdom, Khelmart.com Look at the month and day
a unique production number on the shaft and a date-coded batch number on the cone On genuine Yonex rackets, these numbers are laser-engraved
To check a Yonex racket serial number, you must examine two distinct codes found on the and the cone (cap) . For authentic rackets, these numbers are laser-engraved into the surface, not simply printed or painted on. 1. Locate the Serial Numbers
The 8-character code on the cone is not random. It follows a strict manufacturing formula. By decoding it, you can cross-reference the production date against the racket's release history to check for anomalies. The code breaks down into four distinct parts: Characters Example ( 25126SP ) Digits 1–2 DD Day of production 25 (25th day of the month) Digits 3–4 MM Month of production 12 (December) Digit 5 Y Last digit of the production year 6 (2026 or 2016) Digit 6 X Internal Yonex shift/machine code Single number or letter Digits 7–8 YZ Two-letter distribution country code SP (Singapore/South Pacific) Common Yonex Country Distribution Codes
To ensure you're purchasing genuine Yonex products and to protect your investment: