OutdoorKing Repair Forum Forums Restoring, Customising and Modifying Tech Talk how do I fix my mower

Is the oil coming from the joint between the cylinder head and the top face of the cylinder? You should be able to see that joint, with a bit of difficulty. These pictures of my spare Honda GXV120 base engine (peripheral items removed, just shows major engine parts) show the joint between head and cylinder circled in red:




The series of yellow arrows on your picture show where that joint face is:


We need to know whether that oil is coming out from the joint line between the head and cylinder, past the gasket. You can see the gasket edge-on in the third picture.