Simplest first:
Have you checked the master link? When mine half popped loose it did this...thankfully, it only did this in the first minutes so I got wise and got it done right...well, wise, it was the first chain I ever did, lol.
Have you checked the master link? When mine half popped loose it did this...thankfully, it only did this in the first minutes so I got wise and got it done right...well, wise, it was the first chain I ever did, lol.