Genuine Yamaha Tone Bar Suspension Post (F) (part W5130510).
This keyed post supports and locates the tone-bar cord at the rail ends on Yamaha mallet instruments—keeping the suspension aligned and the bars free to resonate. Ideal for restorations and routine service.
Condition: New old stock (factory bag may read “Tone Bar Suspention Post (F)” — spelling as per Yamaha label).
Colour/finish: Black, splined/keyed post head.
Quantity: 1 piece.
Known compatibility (from Yamaha service documentation & bench matching)
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Marimba: YM-4500
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Vibraphone: YV-2500, YV-3300
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Xylophone: YX-330
(This “F” post is one of several lettered suspension posts used across Yamaha frames. Always compare the letter on your parts list and the post shape/spline before ordering.)
What it does
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Locates the bar-cord at the frame corner/rail end
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Keeps bar rails square and true to the frame
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Ensures quiet, low-friction movement of the suspension
Fits/installation notes
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Installs at the rail end (see your model’s exploded diagram; this part is typically called “Tone Bar Suspension Post (F)”).
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No hardware included; reuse original fasteners where applicable.
SKU / Part No.
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W5130510 — Tone Bar Suspension Post (F)