Picture worth a thousand words. Excuse dirt, she had a suds today. Oiler works great, set up it drops oil nicely with no fling, and can be refilled easily with the help of a 50mm syringe and a length of outlet tube (miles too long when you get it so there's heaps to spare).

And with the cover off

If it's got boobs or an engine, it's going to give you trouble!!