I know of a fellow that never lubes his o-ring chain, cleans it every once in awhile then squirts WD40 to stop rust. He rides his dirt bike a lot and the chain has lasted.
My old Bultaco Alpina swing-arm could be filled with oil and you could adjust the amount of oil dripping on the chain. The early CB750 the oil would fling out of the counter shaft sprocket. And then there was my old Norton, it had a chain oiler, like it really needed one, because it never leaked oil.

I may have found something new (to me). I ride a bicycle every day, and I just finished up 1,000 miles in the month of May. I took the last two days off and serviced the bike, including removing the chain, cleaning it (and the cassette and sprockets) with first WD-40 and then Brakleen. While I waiting for the Brakleen to dry/drip off, I, ahem, read the directions on the can.
It says to let it dry for 30-60 minutes! Imagine that! Who'd a thought! So I did. And all the liquid dissipated before I could load it up with dirt, leaving nothing but the dry slippery stuff. I rode it 28 miles this AM, and it looks precisely the same as it did when I lubed it yesterday. Dry and dirt-free. And it's not squealing at all yet. I may try this on a Yammie and see what happens WHEN I FOLLOW THE DIRECTIONS!

Edit: Uh...I failed to mention the lube I was using after the Brakleen: Liquid Wrench Chain Lube. That's the one says let it dry 30-60 minutes. Geez. Sorry about that chief...
www.harborfreight.com/chain-lubricant-93396.html

I just use the Yamalube stuff currently. But I've only ever used it once so I can't say if it's magical or just plain stuff really.

I had a friend that used WD40 on literally anything mechanical, and swore by it.