2002 225 OX66 Electrical?

Run a pair of 225 OX66's. Starboard engine is giving me fits. At first run in the am will run perfect for a given time until engine is good and warm. As you are running after engine warm if boat takes a good hit from seas the engine will lose alll power for a milisecond, dropping from 500 to 1500 rpms and then fire right back up. If you shut down for 5 to 10 minutes to cool down will run again for a while until heats up and then again if the engines get shocked from a wave hit will lose power again. If running on smooth water it does not happen. Have gone through all connections while on the water running and pounding pulling / pushing trying to get it to happen myself, but, to no avail. I have an idea in my head but want to see what any thoughts are. Had in the shop telling the whole story and after $800 was told it was a bad oil tank and plugs. Right!!!!! Wont be back there.

[boats.net]

Those type of problems are hard to troubleshoot.Check the wire connection on engine for corrosion and all ground wire connections. There is a relay(65L-81950-01-00) in electrical box that could cause it.