Chosen Solution

Same thing happened to mine after I hit a big rock. Going to pull it apart tomorrow, hopefully just the sheer pin

turns out I broke a chain link. Link says Morse F 12R, looks like people want around $600 for a new chain, going to try to find a single master link that will fit.

Jared There is a slip clutch is play here take note of how tight the springs are and is the tension equal on all of them