4 cycle mower.... gas is separate from oil!
If all oil the mower will not start. If only a little oil, the mower may start but run rough and smoke very much.
Wash in gasoline.
over filled the oil
Electric mowers are not as powerful as gas mowers, so choose according to your needs. A gas mower is more efficient in larger areas. While either mower should be regularly maintained, a gas mower requires more maintenance. You have greater range with a gas mower; an electric mower is quieter and non-polluting. A gas mower requires fuel and oil, while the electric relies on an available power sourse.
Answerif it,s a 2 cycle mix gas 50 parts to 1 part oil,if it,s a 4 cycle . none, gas treatments will cause a lawn mower engine to over heat,I have small lawn equipment that used gas/oil ratio, I use a gas treatment in mower to keep from getting gunky over winter months, should I use a gas treatment for equipment that uses gas/oil ratio
It is not totally unusual. It should not happen though. It means that your carburetor is leaking gas through while the mower is not running. It will fill the cylinder and get into the oil. A quick fix is to get an inline gas shutoff valve and just shut off the gas when you are not using the mower. Otherwise you will need to rebuild the carburetor to fix the problem. You will also have to clear out all the gas from the cylinder and if it got into the oil you will need to drain and change the oil.
There is no oil drain on a 650 series lawn mower. You have to turn the mower over and drain the oil from the spout you put it in the engine. Make sure the gas tank is empty
A gas lawn mower is a lawn mower which is powered by gasoline.
Drain it out again and rinse it out with gasoline.
Dirty or stuck open needle valve in carburetor.
A gas only engine has a spout where oil is added to the engine. If there is no spout, then it is a gas/oil engine. FYI - gas only engine is a four-stroke (four-cycle) engine and the gas/oil engine is two-stroke (two-cycle).