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Hey guys, my 1999 vulcan 800 is in hard need of new jetts in the carburators. I installed a set of aftermarket pipes and also a K&N filter and was wondering what size of jets is should put in there?

Thank you!!
 

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Just changing pipes and the air filter should not require a rejet. If the intake has been changed then you would need to make your own 'stage III' jet kit.

That said, it wouldn't hurt to go ahead and get yourself either a Dynojet or Cobra (same thing) jet kit for your bike.

The stock jetting is 48 pilot and 135 main jets... the kits come with a different (and adjustable) needle and a 130 as well as a 133 main (use the 133).
 
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