Ive got a 95 mercury that all of a sudden has started to give me some big problems. It left me stranded out on the water the other morning duck hunting. Its been running great and then all of a sudden running at 3/4 speed on plane shut down on me. I have rebuilt the carb, soaked it for a day and cleaned it good. Now all I get out of it is some rough idling for a few seconds with a few backfires and dies off. Changed the gas out, changed the plugs out...all I could think of......any ideas on whats next...Im tryin to fix it myself, with the way the economy is, any imput would be welcomed.............