If the official Yamaha charts feel too technical, several community-driven websites offer "calculators" where you can simply type in your number.
Common in the 1970s. The first digit often indicates the year (e.g., a serial starting with "4" would be 1974). yamaha guitar serial number search best
The second letter represents the month (e.g., N=Jan, O=Feb, P=Mar... up to Z=Dec). If the official Yamaha charts feel too technical,