RACOR is great. I believe USCG regs will require you to use the metal bowl if in enclosed space.

Ya gotta stop the water from gettin in. Doubt that much is condensation.

I would not use the fuel in my yamaha ob - it is a prima donna carba rata. ::)

Drain it and separate the water and use the good stuff in a lawn mower or something rugged, if you don't want to waste it.