I have a TK 520 o ring chain on my 99 KDX 200. No matter how well I lube this chain it still seems to have some kinks in it. I also notice that it seems to drag compared to the stock chain I had on the bike. I wonder how much power the bike looses using an o ring chain vs a stock chain. I will say that I have only had to adjust the o ring chain twice last riding season. The o ring chain seems to be wearing like iron. I guess loosing a little power is worth the reliability. What are your thoughts on this issue? Does anybody think their o ring chain is a power robber?