Jetting a TTR225 in Colorado

Hey guys I was curious if anybody in this forum lives in Colorado and has a TTR225? If so what jet are you running? My nephew has a 2001 TTR 225 with a FMF pipe and air Box Mods, I did the spark plug test and it is running very lean so I went from a stock 130 to a 135 main and from a 42.5 to a 45 pilot. Has any body else ran this set up? :crazy:

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