The “universal tank” DC 50972 is 4 inches wide and will fit nicely in the space allowed on a M500 Yamaha. I don’t remember the rest of the measurements but I think the opening is 4 X 10 inches. The old tank is 6.75 inches wide. -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20120723/a984db0b/attachment.htm>
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