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Blueliner
08-15-2014, 03:35 PM
I have a 07 Mobius XLV with the 325HP Engine. I was new to me in May. I have been using 91 grade at the street pumps (boat is trailered). Last week on our annual vacation (in the middle of nowhere) I needed to fill up and the only realistic option was on the water gas at a marina, this gas was "regular". There was about 1/4 tank left of the 91, and I had him bring it up to 3/4 full with the regular, we used the boat only a little after that, so it is largely mixed whatever is left (2/3rds?). If I don't use the boat much over the next few weeks (bad weather, and just plain busy) is that a problem? Especially if some of this gas is still in the tank whenever I winterize? I cant see us using it much unless the weather gets nice for Labor Day, things go south pretty much after that...don't like cold water :)

Blueliner

sivs1
08-15-2014, 03:38 PM
Make sure you have some Stabil and or Sea Foam available to treat it.

zabooda
08-15-2014, 04:57 PM
Most marinas use ethanol-free so it will work much better winterizing if you opt to keep the tank full in the winter.

Whitey
08-15-2014, 06:13 PM
How do most people store full, thoughts on Stabil 360

996scott
08-15-2014, 08:05 PM
store with full tank and put stabilizer in for the winter is what i do.