2001 cr125 idle problem?

when i start it up cold it revs REALLY high and when it warms up it idles really low(low enough to have it stall) is it the pos mikuni carb, any ideas?

Mine does the same, your jet needs to be cleaned. Pilot I believe.

It's from stuff getting in through your air cleaner and also after I tipped over my bike once..it flooded the engine then it started doing that constantly.

Happened to me a few times before, cleaned my carb out and good to go.

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