John Deere 212 Lawn Tractor w/ 12 hp Kohler motor.
It was hardly running at all a couple of weeks ago. I changed the oil, and replaced the spark plug and tried it again. It idled smoothly after that, but still couldn't take more throttle. I rebuilt the carb, thinking that maybe it was gummed up. Put the carb back on and fired up right away, but still can't get beyond an idle. Whenever I apply more throttle it just starts running rough, blows black smoke and eventually dies. I have no idea what to try next, do you?|||When you pull the plus after it dies is it wet with gas or oil? If gas it is running too rich. Is the air filter plugged or the choke on? Is there a fuel filter? If so when was this last changed? So if starts and idles OK, it is not electrical so must be too much fuel or not enough air to get the correct air/fuel ratio.|||check for water in fuel....how old is the fuel, if old, drain tank and carb, and replace with fresh, gas has a limited life in these days with additives
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