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No Idle/Low RPM Bog

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I recently bought a used 07 125sx.The previous owner didn't ride the bike much and left it sitting awhile so it bogged very bad at first. When I got it home, I sprayed carb cleaner all in the carb and it instantly cleared up almost to normal. Went to the florida GNCC where it ran fine all day with no bog. Cleaned it up and rode around prior to the next gncc that next weekend and now there is a bog at about 1/8th of throttle and when you let off the throttle the rpms slowly decrease then it dies. After it dies while it was idling it wont start again without the choke.

What should I look at now?

Also, It will idle with the idle screw way in, but it sounds really high and almost irregular.

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