Water intrusion into Johnson VRO 140's on 23 CC

[squidrig]

Hello All,
I've got a question hopefully some of you can help me out with. Setup as follows: Twin Johnson 140 VRO's on a flotation bracket mounted on a 23'Seacraft, 4 fuel tanks(two 25gals in the stern on either side, one under center console, one forward of console). Normally I run off the two main tanks(cc console and forward of console each are 55 gallons). I keep the rear two tanks @ 25 gals each empty for weight distribution issues. Friday filled up rear tanks because I was going offshore along with two main tanks (160 gallons total). Saturday, bad weather so didn't go offshore and ran off the two middle main tanks. Problem/Situation: The boat ran fine all day, after coming back 12 miles from home in 7-9 ft seas port engine quits will running at about 3000 rpms. Poke in on one engine. Sunday morning engine kicks over for 5 seconds and quits. Take off Carburetor cover and a mixture off water and gas comes pouring out. Clean plugs, blow any moisture out of cylinders, drain carburetor plugs. Crank the engine and it starts. Run the boat all day Sunday off two main tanks, start heading back in and again 12 miles out the engine dies. Take cover off carb and a little water drips out, drain carb plugs and clean spark plugs and engine still will not start. Water separator has a little sediment in it and pretty clean gas, minimal water. I would appreciate any sort of help. Thanks.