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problem started with bike staying idled up after throttle was released. checked diaphram in carb changed gas drained carb any more ideas would be nice.
Do you mean the throttle is stuck and the engine rpm is kept up by itself? If so, check the choke cable, and plunger for binding/sticking. If OK, then check the throttle cable reel at the carb side.
check the tube that goes from the carb to the motor. that mite have a cut in it. mite even check the chock cable. if the chock is on at all the motor will idle up some. how high is the idle getting?