25hp boat motor cuts out periodically

Gale63-25hp

Recruit
Joined
Sep 10, 2016
Messages
5
I need help. Motor starts and idles fine. It runs and has plenty of power. You will be running at any speed above 5mph and engine will cut out and jerk the boat. It will do it about every 20 to 30 seconds. It just cuts out for about one second then sounds fine. Any ideas? Please help. I've had carb rebuilt have correct fuel mix ratio new plugs.
 
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