1 Why is mower leaking oil
Mower (toro 22" recycler lawn mower) worked fine two weeks ago. Starts right up. Black smoke blowing out of engine area by muffler shield, dripping oil onto mower under muffler shield. Sounds a little rough when running, but very slight sound. The oil level is fine, I have not tilted the mower.
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Check your oil: is it thick and gooey, or is it thin and runny? If, as I suspect, it is the latter, you may have sunk the float in your carb and poured a tankful of gas into the oil. If this is the case, you'll at least need a new carb float and to change the oil, but if it is already smoking you'll probably need to re-ring the piston as well.
by Noah Ackerman