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K100-forum.com » Technical, repair and troubleshooting » Engine and transmission » Catalyst is out!

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1Back to top Go down   Catalyst is out! Empty Catalyst is out! Sat Aug 03, 2013 1:40 am

metalist2006

metalist2006
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Hello friends!Very Happy 
Need information on how to remove the catalyst , the engine was hard to breathe!
Photos and diagrams are welcome. Where better to cut and how best to cook? What's the material?Smile


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BMW k100rs 04/91
*-=o2o3o33=-*
    

2Back to top Go down   Catalyst is out! Empty Re: Catalyst is out! Sat Aug 03, 2013 7:52 am

Guest

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I don't think that my '91 has got a cat as there is no Oxygen sensor.
I did remove the cats from mine and my wifes R1100S's and was amazed at how much nicer the bikes were to ride.
Would it be worth just finding a second hand exhaust without a cat for yours?

    

3Back to top Go down   Catalyst is out! Empty Re: Catalyst is out! Sat Aug 03, 2013 8:51 am

Rick G

Rick G
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If you can get someone who welds stainless steel then cut the exhaust open where it is next to the gearbox, you will find some porous ceramic material, crush it up and shake it out then weld the hole up.
Chances are that no one will see the welded part so no problems.


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"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1999 K1100 LT with a Big Block 1200
    

4Back to top Go down   Catalyst is out! Empty Re: Catalyst is out! Sat Aug 03, 2013 12:10 pm

metalist2006

metalist2006
active member
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RicK G wrote:If you can get someone who welds stainless steel then cut the exhaust open where it is next to the gearbox, you will find some porous ceramic material, crush it up and shake it out then weld the hole up.
Chances are that no one will see the welded part so no problems.

 that's what I wanted to know. if there ceramics it easier, you can knock out a small hole. Oxygen sensor is not present, should be no problem. Can draw on the scheme as a catalyst located inside?Smile


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BMW k100rs 04/91
*-=o2o3o33=-*
    

5Back to top Go down   Catalyst is out! Empty Re: Catalyst is out! Mon Aug 05, 2013 3:51 am

MikeP

MikeP
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If there's no Lambda sensor and no fitting for one, then it's a non-catalyst system.

    

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