The Pilgrims bounced back to winning ways with a 3-0 victory courtesy of Vince and Dykes goals before the break and a Yenibertiz third after half-time.
United were even afforded the luxury of missing a penalty with Vince denied from the spot.
Boston (3-5-2): Harry Payne; Conor Allen (Peter Evison 60), Kofi Ross, Elliot Andrew; James Gordon, Jack Dykes (Oli Drummond 50), Harry Vince, George Hobbins, Bailey Forth; Tinashe Chavundura, Kemal Yenibertiz.