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hey guys,

just purchased a used FMF powerbomb header for my 02 wr250 along with an.oldschool megamax muffler w/ spark arrestor.

Just wondering what jetting.adjustments need to be made? Bike starts up 3/4 kicks. sometimes pops n shuts off when idling and.then.snapping the throttle. also theres a bottom end bog if I snap the throttle at low rpms.

please let me know what adjustments should be made? all stock bike btw

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