[JohnFogarty]

I've come to reiterate most of what has been said in this thread.

4901 ran #25 chain in tube with 17 tooth double sprockets for our drive system. If you were at Palmetto you saw first hand the time we had with it. We ended up taking the drive rails out 4 times.

What we learned is this, DON'T USE HALF LINKS. We ended up with a problem where we had to use half links to get our chain tension-ed without using a tension-er. We would break chain in 5 minutes after installing it again.

I will say if you use #25 chain is that making your chain runs continuous via Dark Soul tool or whatever other method you know of is a great idea. We managed to do so with the help of 1296 and never broke a chain again after that, of course we had to use our pre-planned tension-er slots after all.