Boat is running even better gps 87.8 up from 86.2. Speedo not working........................................... ...........................Troutly there is a man in ark.has Air cond for power boats .Runs 6 to 8 hrs off 3 marine batt. & runs off your shore power at the dock 501-758-1019 Cooper Collins

Fresh water & 700 to 800 feet above sea level.