Yamaha 1AS-W0001-00-00 - ATV & Side-by-Side Top End Gasket is a genuine Yamaha accessory. These original-equipment Top End Gasket Kit were designed for convenience and total savings. Kit include the necessary gaskets, seals, and O-rings needed to reassemble your engine.

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Key Features & Benefits

• Genuine Yamaha OEM accessory, number 1AS-W0001-00-00.
• Fits 32 Yamaha models from 2006 to 2025.

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Fits These Yamaha Models

• YFM125 Grizzly - 2012-2013
• YFM300 Grizzly Automatic - 2012-2013
• YFM350 Grizzly 4x4 Auto - 2012-2014
• YFM350 Grizzly Auto - 2012, 2014
• View More - see the Fitment tab for full compatibility details

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Frequently Asked Questions

What is Yamaha part 1AS-W0001-00-00?

1AS-W0001-00-00 is the Yamaha ATV & Side-by-Side Top End Gasket, a genuine Yamaha accessory for select Yamaha ATVs and side-by-sides.

Is 1AS-W0001-00-00 a genuine Yamaha part?

Yes, 1AS-W0001-00-00 is a genuine Yamaha OEM accessory.

Which Yamaha models fit 1AS-W0001-00-00?

This part fits the YFM125 Grizzly (2012-2013), YFM300 Grizzly Automatic (2012-2013), YFM350 Grizzly 4x4 Auto (2012-2014), YFM350 Grizzly Auto (2012, 2014), plus 28 additional models. View the full fitment list in the Fitment tab to confirm your exact model and 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.