Yes, I did exactly what you said. The problem is the oil cannot go into the drain hole. It's like there's a vapor lock or something. I opened the vent hole to no avail.
I drained the gear oil from the lower assembly of my Tohatsu 3.5 hp 2-cycle outboard. I removed the vent screw and the fill screw at the very bottom of the outboard. It drained fine. The, I tried to refill it (with the vent screw removed) and I can't get any oil into the gearbox. I tried...