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Wiseco Gasket Kit: Header Gasket

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My Wiseco Top End kit came with what i believe is a header gasket. I'm running the stock header and didn't find gasket when i removed the header. The kit came with what looks to be a header gasket? Any advantages to running this? Disadvantages?

Or is this some other gasket?

07 yz450

Thanks.

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The old gasket is probably still in the exhaust port and just covered with carbon. I would remove it and put the new gasket in.

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Probably is stuck, but if you take a look, you'll probably see that the I.D. of the crushed gasket is smaller than the I.D. of the port or of the pipe itself. That this is disadvantageous should be obvious.

To that end, I have taken to bending my own gaskets from bare 8 gauge copper ground wire, available at almost any good hardware store, and using that instead. The ends can be solder together, but if you fit it to the pocket in the head correctly, it's not really necessary.

You do need some sort of gasket there, though.

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Probably is stuck, but if you take a look, you'll probably see that the I.D. of the crushed gasket is smaller than the I.D. of the port or of the pipe itself. That this is disadvantageous should be obvious.

To that end, I have taken to bending my own gaskets from bare 8 gauge copper ground wire, available at almost any good hardware store, and using that instead. The ends can be solder together, but if you fit it to the pocket in the head correctly, it's not really necessary.

You do need some sort of gasket there, though.

yeah i noticed that when i was lining up the new gasket. Hence why i was wondering if it should go it there. It seemed odd to have a gasket that reduced the ID of the header.

Good tip. Thanks!

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