I have encountered this problem several times on the top two single bass strings with some Yamaha models. I still see this on new Cable & Nelson models made by Yamaha to this day. I often lower tension, remove the coil and back the pin out a couple of turns while doing the warranty tuning to avoid future trouble. Why they don't instruct their stringers to do this at the factory is a good question. The dealer always covers my expense and provides new strings. Brian Johnston Nova Scotia -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20121008/42b970f1/attachment.htm>
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