Theres no filter on most push mowers but there is a oil drain plug under the mower you take out to drain the oil .....be carefull not to over fill mower when adding oil
bg
August 2008
most push mowers have no oil filter really......you need to remove the oil where you pour it in....
JoeP
August 2008
I can answer this question...
how do I change the oil in a craftsman 6.25 Eager-1?