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Buell Motorcycle Forum » XBoard » Buell XBoard Archives » Archive through August 12, 2008 » Exhaust Header Gaskets that are Better than the Stock Pieces of Crap? « Previous Next »

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Ferocity02
Posted on Tuesday, August 05, 2008 - 12:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

So I bought two new exhaust gaskets, the tapered "EVO" kind from American Sportbike. They are woven mesh and kind of covered with a soft metal, not sure what exactly. Anyways, both of them broke when trying to slide them back into their seats in the heads. They were just a hair to big to fit so they buckled inward. I got them in there, but where they buckled they woven mesh is now spread apart, not compact like the rest of the gasket. I'm not sure if they are going to seal or not.

Anyone know where to get gaskets that aren't woven mesh, or if they are, are built a little better than the stock junk gaskets?

Thanks!
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Moosestang
Posted on Tuesday, August 05, 2008 - 02:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I don't know anything about header gaskets, but is there anyway to avoid rusty header bolts/nuts? One of mine looks like a rusty mess and makes the whole bike look junky. That is if you could see it without stooping down.

sorry to hijack.
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Ericz
Posted on Tuesday, August 05, 2008 - 10:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The stock exhaust gaskets work really well but you do have to be careful when you install them. They will only go in if you place them square on the port and slowly push it in as straight as possible working uniformly around the gasket.

You can buy the Screamin Eagle exhaust gaskets which are a bit easier to put in and do not compress into the exhaust port like the stock ones can although they are not as forgiving when it comes to sealing.
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Spatten1
Posted on Tuesday, August 05, 2008 - 10:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I used Cometic, and they were also very tight, and de-formed a bit.
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Ferocity02
Posted on Wednesday, August 06, 2008 - 12:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I picked up a few more today and got them in without breaking them. I had to sand down the corner that goes into the head to get a little chamfer on it, and then get it seated the whole way around. Then I took a bottle and used it to slowly press the gasket in so it went in uniformly. I also used a small bit of oil to help it slide in. Seemed to work well, so leaks so far.
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Spiderman
Posted on Wednesday, August 06, 2008 - 06:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Next time you put the "piece o' crap" gaskets in put the gaskets in the freezer over night, or at least a few hours. Then use a tourch just before you intall to heat up the exhaust area. They will then slip right in...

BTW if you do crinkle them when installing just form the wrinkl eback down as much as you can and it will be fine, I have done this before with no leaks...
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Darthane
Posted on Wednesday, August 06, 2008 - 07:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

BTW if you do crinkle them when installing just form the wrinkl eback down as much as you can and it will be fine, I have done this before with no leaks...

Ditto, twice, now. I'll have to try the freezer thing next time the occasion arises, I'd never have thought of that...
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Buell2448
Posted on Wednesday, August 06, 2008 - 09:46 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

try copper gaskets i did and they work great and do not restrict flow plus you can reuse them
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Dennista15
Posted on Wednesday, August 06, 2008 - 11:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

try copper gaskets i did and they work great and do not restrict flow plus you can reuse them

Where does someone get these copper gaskets?... Please
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Ferocity02
Posted on Wednesday, August 06, 2008 - 12:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

BTW if you do crinkle them when installing just form the wrinkl eback down as much as you can and it will be fine, I have done this before with no leaks...

I actually tried that. Then after I bolted up the header I decided to take it off to see if the gaskets were okay. The area that crinkled had been smashed about 3/8" into the exhaust path while the rest of the gasket was still flush with the port.

Some nice crushable copper gaskets would be sweet. I imagine there are a TON of gasket options out there considering Harley Davidson uses these gaskets are nearly all of their V-Twins.
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Gentleman_jon
Posted on Thursday, August 07, 2008 - 07:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Two words:

James Gaskets

http://www.jamesgaskets.com/catalog.htm

I don't have a part number, but James makes higher quality gaskets for every Harley application.
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