I always leave my boat near full with stabilized gas. You want to leave
some room for expansion, so it does not spit out in warm weather.

The running it dry road has it merits as well. But I think the empy tank
could draw moisture in as the temp goes up and down.

Good to know that I can leave the fuel in the tank as long as I have it
treated with stablizer.

There is one thing though. The boat that I have just bought may have
been sitting in the boat dealer parking lot for one or two months (the
ex-owner sold the boat to the dealer before the boating season ended),
and I doubt that the ex-owner would treat the fuel if he knew that he
would sell the boat soon. Is this too late to treat the fuel now after
it has been sitting for let's say two months?

I have a feeling that I may be better off pumping the fuel out and use
it in my car instead. And then put fresh and treated fuel into the
boat -- just in case...

Jay Chan