Tear-Down: Phantom 85 with MS-460 Piston

In this video, I tear down the seized Phantom 85 with the swapped MS-460 piston. We found out that the top piston ring got hot and expanded, got snagged on the exhaust port, and busted the top edge of the piston.
Link to auction benefiting the American Red Cross below:
www.ebay.com/i...