Inconsistant idle speed, any ideas??

My new to me 02 WR426 has inconsistent idle speed. After it's been reved up, it likes to idle real fast for a few seconds before it idles down to normal speed. I'm a total dunce when it comes to carburetion so any ideas would be greatly appreciated. Thanks!

Usually a hanging idle is from being too lean on the pilot circuit.

Try backing out the fuel screw a little.

I fixed my idling problem by removing and cleaning the path of the hot start button, it wasnt sealing well due to the dirt probably pushed in with pressure cleaner

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