The Royals (10-13, 5-10 ODAC) made 50 field goals in turning in their highest-ever point total over the Hornets (8-16, 3-12).
Leading 55-45 at the break, EMU shot 27-for-43 (63 percent) from the field and made six of its eight foul shots in the second stanza to pull away from SU.
The Royals put the game away with a 15-6 run midway through the second. Leading by nine, 70-61, following a pair of Christopher Chaney field goals, EMU ripped off that 15-7 in a span of 4:06 to lead 85-68 with exactly nine minutes remaining.
Jalyn Jarrett, who had 17 points, ended that spurt with a 3-pointer at 8:52.
Shenandoah would get no closer than 12 points the rest of the way.
SU shot 42 percent (27-of-64) from the field and made 29 of its 37 free throw attempts (78 percent) but was no match as Eastern Mennonite had a 41-29 edge on the glass and had five players register double-digit points.
Maleke Jones and Sammy Thomas led this group with 18 points each with fellow starter RaShawn Latimer adding 16 points.
Chaney also had a team-high seven rebounds.