I ran into a flooding situation last spring on the 2072. The carb needle seat must have been pitted and would not stop the leaking untill i honed or polished the seat. U can check for this by looking down the intake riser under the air cleaner. After about 24 hours of sitting i would look down with a flashlight and see fuel laying down at the bottom. This did cause a real hard start. Good luck. Dave
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