rb mod jetting simple question

[kdxmann]

does the carb come pre jetted caust the rb site says change jets if nessascery so do they do it? if not does the mod richen or lean out the circiut and by how much

 

[Rich Rohrich]

There are 158 answers to your question in this post alone http://www.dirtrider.net/forums3/showthread.php?s=&threadid=19686

You need to get off your lazy butt and use the SEARCH function.