Yamaha B2W-W0001-00-00 - Top End Gasket Kit is a collection of gaskets, seals, and O-rings required for reassembling YZ450F engines. It supports maintenance tasks for select Yamaha motorcycles.

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Key Features & Benefits

• Genuine Yamaha Top End/Bottom End Gasket Kit — designed for convenience and total savings
• Includes the necessary gaskets, seals, and O-rings needed to reassemble the engine
• One part number covers everything needed for the rebuild, instead of sourcing gaskets individually
• Reliable sealing helps prevent oil, coolant, or compression leaks after reassembly

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Fits These Yamaha Models

Yamaha Model	Compatible Years
YZ450F	2020

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Frequently Asked Questions

What is Yamaha part B2W-W0001-00-00?

B2W-W0001-00-00 is the Yamaha Top End Gasket Kit, an accessory kit containing gaskets, seals, and O-rings for reassembling YZ450F engines.

What is Yamaha B2W-W0001-00-00 used for?

This part is used to replace the top end gaskets, seals, and O-rings necessary during engine maintenance or rebuilds of compatible Yamaha models.

Which Yamaha models fit B2W-W0001-00-00?

The kit fits various YZ450F, YZ450FX, WR450F, YFZ450R, YFZ450X, WR250F, and YZ250FX models spanning from 2003 through 2027. Confirm model and year fitment 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.