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Discussion Starter #1
Hey guys I'm new to the forums and could use some help with jetting my 02 400ex. I live in PA altitude around 1000ft. I have a unit air filter with no air box lid and a full white bros exhaust. I have no idea what to make my main jet size so any suggestions?????
 

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Discussion Starter #2
Also does a hot cam affect jetting? I might get one installed soon so just wondering if I will have to rejet.
 
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