Find Us Mayville Motors is located at 111 Horicon Street, Mayville, WI 53050 On Horicon St. (Rt. 28) 1/2 block west of Main St. (Hiway 67) Hours of operation are Mon-Friday 9am-8pm; Saturday 9am-4pm; Sunday Closed Or call us at (920) 387-9500 for directions.