[onehotbird2002]

Hey guys I am wondering if I need a re-jet. I just got my Rappy in from Guam at 35 feet above S.L. to Colorado Springs which sits at 6,000 ft. plus mountain riding of 7+. Also I put a K&N air filter and breather box lid on. The only thing is I started it and it runs great at idle. Do I need to rejet it?

 

[jlraska]

probably. but the only way to know is to see how it runs with the filter and lid. my guess is that you will probably be too big on your mains.
follow the sticky that tells you how to change jets in carbs to get in to see what your mains, needle and a/f screws are set at and then go from there to see how your plug looks when you start testing it.