Yamaha B9U-W001A-10-00 - YZ250 Drive Chain & Sprocket is an accessory kit including the front sprocket, rear sprocket, and chain that offers convenience by combining these parts in one purchase.

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Key Features & Benefits

• Genuine Yamaha kit — includes original-equipment front sprocket, rear sprocket, and chain
• All three drivetrain wear components matched and replaced together
• Convenience and total savings versus buying chain and sprockets separately
• Keeps the whole drive system in sync for even wear and reliable power transfer

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Fits These Yamaha Models

Yamaha Model	Compatible Years
YZ250	2021

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Frequently Asked Questions

What is Yamaha part B9U-W001A-10-00?

B9U-W001A-10-00 is the Yamaha YZ250 Drive Chain & Sprocket, an accessory kit that includes the front sprocket, rear sprocket, and chain.

Is B9U-W001A-10-00 a Yamaha accessory?

Yes, B9U-W001A-10-00 is classified as a Yamaha accessory combining a drive chain and sprockets for the YZ250 model.

Which Yamaha models fit B9U-W001A-10-00?

This kit fits the YZ250 model for the years 2021 through 2027. Confirm the exact SKU and model year before ordering.

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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.