No.
Absolutely.
Once you do this, expect it to still smoke because you have oil in the exhaust pipe. It will take a bit to burn out and clean up. Once you do the process I mentioned, take it for a nice drive.
The problem that I see with these engines, is that the oil is very thick, especially until it really warms up, which takes some time. The pump, even with the oil thick, will send it up just as fast as if it was thin. The issue being that it sits up in the head until the viscosity breaks down and makes its way back on down and starts to flow equally up and down. The oil pumps scavenge section is poor at best, so many might look into the tank when cold and add oil, and that's a no no until it completely warms up and you ride it a bit. You can't go wrong with getting the complete system dry, and starting with 2.75 to 3 quarts regardless what the tank height is.