Avila led 17-14 midway through the first half but Larson drove for a layup to start a 14-0 run for a 28-17 lead at the 7:23 mark. The Coyotes led 43-29 at the break and were ahead 74-46 with 7:28 left in the game.
South Dakota scored 30 points in the paint and had 31 second-chance points. The Coyotes held a 49-17 advantage on the boards, including 21-6 on the offensive end.
D'Vante Lewis scored 15 points and Nduka Ezeamii had 13 for Avila.