Found on the cone above the handle; this indicates the production date and distribution region. 2. Decode the Cone Serial Number The meaning of the code depends on the production era: Format (Pre-2024) Description Example (130923UK) DD (Digits 1-2) Day of production MM (Digits 3-4) Month of production Y (Digit 5) Year of production 2013 (or 2003/2023) X (Digit 6) Production line/Revision Model-specific code CC (Letters 7-8) Country/Region code UK (United Kingdom) Common Region Codes: JP: SP: Singapore/South East Asia CH: AS: US:
Note: If your Cone Code starts with a letter (e.g., SP), that usually indicates a region code (Singapore/Philippines), which was common on older rackets. Modern rackets often start with the date digits. how to check yonex racket serial number