Yanku made 5 of 6 field goals for the Lumberjacks (1-3).
Nick Agostino finished with 18 points and seven rebounds while Anthony Jensen hit three 3-pointers and scored 13 points for Division II Embry-Riddle.
Northern Arizona took a 12-point lead into halftime, used a 19-6 to open up a 69-43 cushion with 6:49 to play and led by as many as 35.
The Lumberjacks made 20 of 35 (57 percent) second-half field goals, including eight 3-pointers, and shot 54 percent overall.
Embry-Riddle shot just 37 percent, including 7 of 27 (25.9) from 3-point range.
The game was played at the BeeHoldzil Fighting Scouts Events Center on the Navajo Nation.