Are you sure it's broken? I was advised to put mine in a pot of gently boiling water for 1/2 hour. Worked like a charm!
If dirt is not the problem, there's a bunch of boat dealers here that probably have a solution for you. AAA, DownRiver, Cascade, Whitewater, River Boat, Boat People, etc.
Don't Wanna Die Askin' for Another Chance