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Registered User
Join Date: Feb 2009
Location: Mount Isa QLD AUS
Posts: 18
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Stripper exhaust stud - now what?
Hi Everyone,
I have managed to cross thread one of the exhaust studs when putting new headers on recently, and I am wondering if anyone knows how hard they are to get out? Can I just grab the stripped end with vice-grips, and twist it out? And is the thread into the head normal, or does it turn the other way?? Any advise will be most useful, thanks andrew
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2007 R1200S Black, Ohlins, ABS, 6" rim, Akrapovic can, staintune headers (therefore no CAT), K&N filter, single seat 2008 YZF250 |
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05-31-2009, 12:21 AM
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Registered User
Join Date: Mar 2004
Location: Camanche, Iowa
Posts: 3,622
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andrew:
I vote against the brute force method. If you want to remove the stripped stud I would get a good penetrating oil (not WD40) intended for loosening rusty fasteners, drown the joint for at lest 12 hours, then apply torch heat to one side only of the flange the stud seats into. This combination should loosen the stud enough that you can back it out with a wrench. Otherwise your next step is going to be the insertion of a heli-coil into the flange to repair that damage, too. And you might be looking at that anyway.
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'99 Black SA "OBSSSN" - now in Nail24's stable Not all good technology is new, not all new technology is good. |
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05-31-2009, 05:41 AM
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Dismembered
Join Date: Nov 2003
Location: peoples' democratic republic of chapel hill
Posts: 2,067
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PB Blaster worked when I removed the exhasust studs on my R1100S
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farkled '04 R1100S SOLD! 2012 Ducati Multistrada Pikes Peak (#072) "It is difficult to get the news from poems, yet men die miserably every day from lack of what is found there" WC Williams |
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05-31-2009, 05:58 AM
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Registered User
Join Date: Jan 2003
Location: Cross Plains, Wis
Posts: 932
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Moybin's way is he best. I replaced all of the exhaust studs with longer ones to accommodate the SJBMW exhaust accelerators. I used the double nut method to remove the studs after squirting them with penetrating oil.
Philip |
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05-31-2009, 06:57 AM
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Registered User
Join Date: Feb 2009
Location: Mount Isa QLD AUS
Posts: 18
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thanks all, I will soak her for next day or so and have a go at it mid week.
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2007 R1200S Black, Ohlins, ABS, 6" rim, Akrapovic can, staintune headers (therefore no CAT), K&N filter, single seat 2008 YZF250 |
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05-31-2009, 04:40 PM
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Registered User
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Might also give the end of the stud a sharp rap with a hammer prior to taking it out. If you have done all the above and the stud still does not want to turn fairly easily, heat the area around the stud again. Good luck.
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06-01-2009, 06:41 AM
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Registered felon
Join Date: Apr 2001
Location: just west of Hell
Posts: 11,168
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...maybe I need to get my head outta the trash, but i swore you said something about dancing...
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... old fool in asschaps hawkin' R11S CNC BARBACKS...een snelle hond is moeilijk te vangen ; hij hangt zo soepel aan het gas! '05 R1200RT/'06 MTS1000-off to San DiegoS/'81 R100RS-off to Minnesota/'06 Orangeboom-gone to Michigan/'05 R12GS-up in NorCal/'91 R100GS Derelict-alive in Iowa/-4 R1150RT SJ Special-Seattle bound/'01 R1100S-somewhere in SF/'78 R100/7-RS- alive and well in Denver |
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06-01-2009, 11:17 AM
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groundhog
Join Date: Feb 2009
Location: Santee, Ca
Posts: 93
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stud removal
The safe way to get it out is to spray with wd 40 or some penetrant and use a stud extractor. Looks like a socket with fingers inside that tighten on the stud as you back it out. They work very well.
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06-01-2009, 01:31 PM
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Registered User
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you're not alone rapid.
enticed by the headline and the word "stripper", i opened the thread to find the following: "drown the joint for at least 12 hours" then... "thanks all, I will soak her for next day or so and have a go at it mid week." and finally: "Might also give the end of the stud a sharp rap with a hammer prior to taking it out. " so...i dunno....i'm with you. maybe pictures would help us?
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'04 R1100s. I changed a couple o' things. |
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06-01-2009, 01:40 PM
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Registered Agitator
Join Date: Oct 2006
Location: wpbfl
Posts: 1,122
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stripped studs, penetrating, insertion, soak her, double nut? I can't imagine where your heads at?!
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06-01-2009, 07:25 PM
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Registered felon
Join Date: Apr 2001
Location: just west of Hell
Posts: 11,168
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...aww this thread is screwed...
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... old fool in asschaps hawkin' R11S CNC BARBACKS...een snelle hond is moeilijk te vangen ; hij hangt zo soepel aan het gas! '05 R1200RT/'06 MTS1000-off to San DiegoS/'81 R100RS-off to Minnesota/'06 Orangeboom-gone to Michigan/'05 R12GS-up in NorCal/'91 R100GS Derelict-alive in Iowa/-4 R1150RT SJ Special-Seattle bound/'01 R1100S-somewhere in SF/'78 R100/7-RS- alive and well in Denver |
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06-02-2009, 06:06 AM
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Registered User
Join Date: Feb 2009
Location: Mount Isa QLD AUS
Posts: 18
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Got the stud out! The two nuts on the stud trick did not work because of the damage to the end of the thread, so I disconnected the battery, and got out the arc welder and just welded the nut in place, and hoped that no stray electric flow got anywhere near the computers.
But all is well, stud replaced, and bike is running just fine. thanks again to those that offered advise 
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2007 R1200S Black, Ohlins, ABS, 6" rim, Akrapovic can, staintune headers (therefore no CAT), K&N filter, single seat 2008 YZF250 |
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06-06-2009, 02:52 PM
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