Exhaust Leak?


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bohdan
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Exhaust Leak?

Post by bohdan » Fri Feb 06, 2015 5:10 pm



I am getting at ticking noise. For the last year or so it seems to get louder. Is it possible that the gaskets can fail even though the exhausts never come off the manifold.? Mighty obliged.



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robb
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Re: Exhaust Leak?

Post by robb » Fri Feb 06, 2015 9:55 pm

Yes. Could be a hole in the collection box too.

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ct1500
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Re: Exhaust Leak?

Post by ct1500 » Sat Feb 07, 2015 2:30 am

Due to the thin wall header tubing it can sometimes sound (mimic) as if the exhaust is leaking especially when started cold. If the bike has been routinely lifted by a jack under the headers then the likelihood of an exhaust leak at seal between header and head increases which is where a ticking type leak would occur.
This is what I do
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bohdan
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Re: Exhaust Leak?

Post by bohdan » Sat Feb 07, 2015 6:40 am

Update: interesting enough I have discovered a bolt (nut) missing from the manifold and the other one finger tight. First time I think that exhaust cover ever came off mighty obliged

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bohdan
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Re: Exhaust Leak?

Post by bohdan » Sat Feb 07, 2015 6:41 pm

Another update. Broke a stud. I have some meat left on it. How to do it? Vice grips? Double nut? Prayer.......? Mighty obliged

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WingAdmin
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Re: Exhaust Leak?

Post by WingAdmin » Sat Feb 07, 2015 7:29 pm

Penetrating oil first. Apply a few doses, with a good 12 hours in between. Apply it liberally.

Then, if you have enough stud showing, double nut is best. If not, vice grips. And if not enough for vice grips, it's time to drill.

kybigmac
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Re: Exhaust Leak?

Post by kybigmac » Sat Feb 07, 2015 7:58 pm

Weld a nut on the part sticking out ,the heat will loosen it an you can back it out with a wrench.

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WingAdmin
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Re: Exhaust Leak?

Post by WingAdmin » Sat Feb 07, 2015 8:07 pm

kybigmac wrote:Weld a nut on the part sticking out ,the heat will loosen it an you can back it out with a wrench.
If you can double-nut it, use a torch to gently heat both the header AND the stud, get them good and hot, then press an ice cube against the stud ONLY. The idea is to get the stud to contract faster than the metal it's seated in, so it comes loose. Then use the double nut to back it out.

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bohdan
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Re: Exhaust Leak?

Post by bohdan » Sun Feb 08, 2015 7:19 pm

New update: very easy to remove. Thought I had space for two nuts. No such luck. Vice grips did it all!!!!!



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