Has an AFL game ever ended 161-83?
Exactly once. On May 5, 1985, Sydney beat Footscray 161-83, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 161-83 in league history.
That makes 161-83 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 162-83 has happened never and 161-84 has happened never.