Sometimes a faulty carburetor causes the problem. I use Kroil spray in the spark plug hole AND in the carburetor intake and flood the parts with it. Pull the cord with the spark plug wire off a couple times and let sit twenty minutes. Hook up wire and pull sharply until it starts. Run and sporadically spray Kroil into the carburetor until it evens out. Kroil is found at kanolabs.com and I recommend the Kreen also...
The typical reason to lose oil into the filer box, is that the engine has been tipped up, this allows engine oil to travel down the breather tube and into the back of the box, the other reasons are, engine worn, or the engine breather itself is faulty.
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Sometimes a faulty carburetor causes the problem. I use Kroil spray in the spark plug hole AND in the carburetor intake and flood the parts with it. Pull the cord with the spark plug wire off a couple times and let sit twenty minutes. Hook up wire and pull sharply until it starts. Run and sporadically spray Kroil into the carburetor until it evens out. Kroil is found at kanolabs.com and I recommend the Kreen also...
The typical reason to lose oil into the filer box, is that the engine has been tipped up, this allows engine oil to travel down the breather tube and into the back of the box, the other reasons are, engine worn, or the engine breather itself is faulty.