Genuine Yamaha pulley mounting screw for YV-series vibraphone tremolo assemblies. Part W5128120 secures the fan/pulley hub and is specified across a wide range of Yamaha vibraphone models (see compatibility). Ideal when servicing the tremolo drive or replacing a missing/damaged fastener.
Lead time note: Yamaha spares are on extended lead times. Please contact us for an ETA before ordering — delivery can take several months from the supplier.
Key Features
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OEM Yamaha fastener for vibraphone pulley/fan mount
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Spec: 4.0 × 4 (YV-2500 series specification)
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Direct fit—no modification required when installed to Yamaha guidance
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Perfect for service jobs: fan/pulley replacement, belt service, or missing hardware
Compatibility (Yamaha Models)
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YV-2500, YV-2600, YV-2600C, YV-2700, YV-2700G, YV-3000A, YV-3300, YV-3400, YV-3400C, YV-3600, YV-3600A, YV-3700, YV-3710, YV-3710(J)M, YV-3910, YV-4110, YV-4110M, YV-520, YV-2030MS, YV-3030MS, YVD-10, YVD-20, YVRD2700, YV-1600A, YV-1605
(Not sure about your model? Tell us the model and serial number and we’ll confirm.)
What’s Included
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1 × Yamaha Pulley Mounting Screw (Part No. W5128120)
Installation Notes
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Fit to the pulley/fan hub as per the Yamaha service diagram (image ref: part No. 13–5).
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Check thread engagement and torque to Yamaha guidelines.
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While open, inspect belt condition and pulley alignment.
Specifications
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Manufacturer: Yamaha
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Part name: Pulley Mounting Screw (YV-2500 spec)
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Part number: W5128120
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Thread/Size: 4.0 × 4 (as designated by Yamaha)
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Application: Vibraphone tremolo pulley/fan mount
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Condition: New OEM spare part