Originally Posted by Bikeguy Joe
Sounds like the ring alignment pin came out and barfed the cylinder wall. That would make for very low compression for awhile, until the ring turned and snagged in a port, then "snap" goes the ring and you are done.
Yes.... I have NO DOUBT you are right on the money here, it made a farely loud clicking sound something like hitting 2 spoons together real fast and then it just wound down to a stop, it is not seized up but has O compression.