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2005 yz 125 sounds louder and bogs on low end

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I was riding my 2005 yz 125 the other day and a parked it for about a half hour. When I got back on it had no bottom end power and sounded a lot louder than usual. I got home repacked the muffler, changed the reeds, cleaned the carb, and still have the same problem. It bogs until it hits the power band. At idle up to about 1/4 throttle it sounds loud and "tiny" almost like the pipe is loose. But it is not. Could the power valve be stuck open? I haven't had a chance to look at the power valve yet

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