FYI according to this serial number chart PDF my 434 was made in May 2022 because it starts with "IL". Seems a little odd that a new Yamaha bass would be sitting in a box for three years, unless the neck was made then and it was finally assembled more recently. Or is that chart wrong?
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Per the link isn’t this system E13, so 25-4 or April 2025?
I think E12 since it's 9 digits, but yeah, IL would be 25, not 22.