I Hate when I order the wrong part... and also a carb question...

[clbail2919]

Anyone ever have moments like these? I just spent $200 bucks at Rocky Mtn and just realized I ordered a 14T L sprocket to change out for trails instead of a 14T XRR sprocket... DANG IT! I hope they do returns cause I don't want it!

Also, I'm pretty sure I'm running either 55 or 58 Pilot jet and a 155,158, maybe even a 160 main jet but I ordered some smaller jets to replace in hopes of recovering some gas mileage. I now average about 33 and my last pig got 52 miles to the gallon most of the time on the road. What are the predictions or what should I expect from this? The bike has been desnorkeled, Uni filter, and slip on pipe. Will it run like crap you think? What would happen if I just changed to a smaller pilot jet? Any predictions? Thanks ya'll!

[HeadTrauma]

How far you can lean out the jetting will be limited by the engine running temperature. Without a way to monitor it, you'll be wise to err on the side of richness.