Every time we turn/hit a wave the boat chugs/surges and loses power. It can get up to 50mph on a straight away, but the instant we take a turn or hit a wave and put it under load it sputters/surges and beeps. We have had it in over 5 marine shops, been told it was fixed multiple times but nobody can figure it out. Engine has less than 50 hours on it. Once you do a throttle reset (neutral) and take off again it does fine until cornering or hitting waves again.