Under what conditions do you need to adjust the tension on the cam chain? What are the tell tell signs that it needs to be adjusted? How much adjustment?

 

It's an automatic tensioner. If you remove it, for any reason, you have to reset it before re-installation. Otherwise, you just leave it alone.

Note, this is what I recall from the P700. It may not apply to your ATV.

 

Good. I didn't really want to mess with it. Wasn't sure if I needed to.