Yamaha B3J-W001A-00-00 - YZ450FX Drive Chain & Sprocket is a kit including the front sprocket, rear sprocket, and chain to provide convenience and savings compared to purchasing the parts separately.

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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
YZ450FX	2019

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Frequently Asked Questions

What is Yamaha part B3J-W001A-00-00?

B3J-W001A-00-00 is the Yamaha YZ450FX Drive Chain & Sprocket, a kit that includes the original front sprocket, rear sprocket, and chain.

Is B3J-W001A-00-00 a Yamaha accessory?

Yes, B3J-W001A-00-00 is classified as a Yamaha accessory for service and maintenance use.

Which Yamaha models fit B3J-W001A-00-00?

This kit fits the YZ450FX model for model years 2019, 2021, and 2022 through 2026. 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.