Has an AFL game ever ended 131-86?
Exactly once. On July 18, 1981, Richmond beat Hawthorn 131-86, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 131-86 in league history.
That makes 131-86 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 132-86 has happened never and 131-87 has happened 1 times.