If it's a new motor, why not take it back to the dealer you bought it from? It may not be a service upgrade, but a problem. It's not unusual for a new product to be "buggy" for a year or so.
2015 Seaark 1872 MV CC Etec-90
Helix 12 CHIRP SI, HB 1199, MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic
Bitter Gun Owner