Has a FIBA World Cup game ever ended 92-89?
Exactly once. On September 8, 2010, Serbia beat Spain 92-89, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 92-89 in league history.
That makes 92-89 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 93-89 has happened 2 times and 92-90 has happened 3 times.