883-1200 big bore issues
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4th Gear
Joined: Mar 2007
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883-1200 big bore issues
Today i big bored my 07 883. The bike ran perfect before i took it apart. I have a powercommander and i had the map perfect on it. Today i did the big bore kit replaced every gasket and oring, loaded a 1200 map into it, started it and it runs like crap. Pops through the intake idles up and down dies. So i took some carb cleaner and sprayed it on the intake manifold where it meets the head. It reved up. So i took the mani off everything looked good i used new gaskets put it together same thing. Is it this vacuume leak makeing this thing run so lean? I'm pulling my hair out here.
Outstanding HDF Member
Joined: Apr 2006
Posts: 2,537
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Is the map that you installed for a factory 1200, or a 1200 conversion???
If you pulled the map from the Powercommander site, you installed a map for a 1200 Factory... Your ECM still thinks it's an 883...
Either you need to invest in getting it tuned professionally, or locate an 883/1200 conversion map...
If you pulled the map from the Powercommander site, you installed a map for a 1200 Factory... Your ECM still thinks it's an 883...
Either you need to invest in getting it tuned professionally, or locate an 883/1200 conversion map...
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4th Gear
Joined: Mar 2007
Posts: 8
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Ahh that may be the problem. I just got a map from their site. I tried the 883 map that was in it from fuel moto but that didn't run any better than the 1200 map. I guess i'll have to call jamie and see what he can do. thanks
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