Originally Posted by newportermike
I just bought a lovely Pearson 303, but it had been sitting in the yard for the last two years, and I was more than a little concerned about the diesel, as I have to sail her from Boston to Newport. After many phone calls I finally got a company to come to the boat, take all 14 gallons out of it, they cleaned the inside of the tank after the fuel removal. $275 all in, but at least I have peace of mind now!
Good move. I would fill with new clean fuel, run the engine at the dock in gear (boat tied down good), for say 1/2 hour then change all filters and bleed fuel system. Then run again for 1/2 hour to make sure all is good.