Most modern Yamahas use an 8 or 9-character code. For example, a serial starting with "Q" or "H" usually points to specific years in a ten-year cycle. 2. The Yamaha "Letter-Numeral" System (1960s – Present)
Most players searching for serial numbers are looking at the common format used for Indonesian and Taiwanese models. This system uses a combination of two letters followed by several numbers.
If you have a vintage "Red Label" FG acoustic or an early SG electric, your serial number search becomes a bit more prestigious. These were made in the Hamamatsu factory in Japan. Found on very early 1960s models.
The first letter represents the year in a 10-year cycle (e.g., H=1, I=2, J=3... up to S=0).
On bolt-on electric guitars (like the Pacifica), it may be engraved on the metal plate where the neck meets the body. Summary Table for Quick Reference System Type Format Example Modern Export Taiwan / Indonesia Standard 8-Digit Japan / China Vintage 7-Digit Japan (1970s) Pro Tip for Buyers
It is the primary source of truth. It explains the "Internal Dating System" (used for exports) versus the "Unit Number System."
Check the headstock (back), the neck joint, or the internal brace (visible through the soundhole). 4. Best Third-Party Search Tools
Common in the 1970s. The first digit often indicates the year (e.g., a serial starting with "4" would be 1974).
The second letter represents the month (e.g., N=Jan, O=Feb, P=Mar... up to Z=Dec).
A dedicated resource specifically for those legendary 60s and 70s acoustic guitars. 5. Where is the Serial Number Located?
Hi there. You’re currently on the UK site, and it looks like you’re in the US. Would you like to switch to the US version?
