When I get home from New York I will send a pic of the cylinder oiler for my 5hp Waterloo Boy, ans I will do a quick check and make sure the oiler you have will function properly, I'm pretty sure it will......a lot of engines will get enough blowby / pressure from the cylinder that it blows the oil back up in the oiler, thats where the checkball comes in, but either way I will post some good pics of my cylinder oiler.
Jim