The Yamaha guitar archive contains information of more than 1000 Yamaha guitars. It's an Excel sheet with the following columns:
MODEL, YEAR, MSRP_USD, TOP, BACK_SIDES, NECK, FINGERBOARD, BRIDGE, BODY_DEPTH, COLOR, FINISH, TUNING_MACHINE, STRING_LENGTH, NUT_WIDTH, PICKUP, STANDARD_ACCY, NOTES, INT_NOTES
This archive was online for many years but Yamaha decided to remove it from the internet.
I have received lots of PMs in the last two days from many forum members regarding this Yamaha guitar archive. I just sent everyone a mail with the Excel sheet attached. Please let me know if you have requested the archive from me but did not receive any mail.