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Author Message   Cuso4rox Posted on Friday, February 07, 2014 - 01:59 pm:        I have an 09' 1125R with an HMF exhaust and EBR race ECM bike ran great for about 3 months after the install but now its running rich and back firing a lot on deceleration, any advice would be appreciated!!   Sifo Posted on Friday, February 07, 2014 - 02:18 pm:        Not having an 1125, the best advice I can give is to post it up in the 1125 section. That's where the best knowledge is likely to be. http://www.badweatherbikers.com/buell/messages/290 431/290431.html?1391781679   Stirz007 Posted on Friday, February 07, 2014 - 05:41 pm:        Sifo +1. Could just be a bad O2 sensor. First thing I'd do is go into diagnostic mode and see what they're reading. O2 sensors do fail on occasion (in any vehicle), but are relatively cheap to replace.

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