DeBoskie-Johnson ran for 151 yards and had touchdown runs of 34 and 62 yards, while Jahn had 144 yards, including a 66-yard score, as the Lumberjacks (8-1, 6-0 Big Sky) rolled up 616 yards of total offense.
Cary Grossart had 238 yards passing, including an 11-yard touchdown to Dezjon Walker, and a rushing score. The NAU defense recorded a safety to open the scoring, and Jarret Bilbrey returned a blocked punt for a touchdown. Andy Wilder added two field goals.
The win was Northern Arizona's eighth in a row after a season-opening loss to Arizona State. The Lumberjacks last won eight in a row in 1958.