EVO All Evo Model Discussion

Needing some help

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Old May 10, 2018 | 10:49 AM
  #11  
rivercityslim's Avatar
rivercityslim
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Originally Posted by Beemervet
OK, I will rephrase: Your best option is to junk that first version Keihin carby and install the later version Keihin CV.
Agreed. I experienced very similar symptoms on my '89 when I first got it several years ago. The solution was to junk the original butterfly carb, compliance fittings etc. and replace with a used CV carb and manifold. It was the first mod I made. I have since upgraded to a new Wood-built CV, but that old used CV carb gave me several years of service.
 
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Old May 10, 2018 | 02:24 PM
  #12  
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So the consensus that I am seeing is that the Keihin carb is likely the cause of this. So I may as well go ahead and switch this out. Question now is what challenges can I expect or might I see converting to Keihin CV

And again I do thank everyone for the assistance with this
 
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Old May 10, 2018 | 02:39 PM
  #13  
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I would at the least try a new accelerator pump diaphragm and make sure the ports are not blocked. Can you see fuel squirting into the venturi?
 
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Old May 10, 2018 | 04:53 PM
  #14  
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Originally Posted by Dr.Hess
I'm going with main jet blocked. That carb doesn't even make a good door stop. S&S.


An S&S will solve all your carburetor problems.

I had to wait for someone else to say it first in honor of Beemervet!!!!
 
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