Puzzled? Engine will not start

[DanielC]

Is the engine running now? Hope it is. I have used Gasoline with 10% ethanol added almost since my 1997 ski with a GT-40 was new. It has 1956 hours on it now. Ijust recently replaced the fuel filter, in the FCC, the hose for the high pressure pump inside it looked good.
My opinion. You do not need to put any additives in your gas, with the exception of Sta-Bil when you lay the boat up for an extended period of time.

[jeepn]

i don't think that i have heard of, or seen advertised that any of the additives help prevent the damage that ethanol does to the rubber parts in an engine.

[WylieNautique]

I run the additives on occasion to keep the injectors clean. The ethanol has a cleasing action to it (alcohol) that will free up any gunk anywhere in the fuel system according to several mechanics I have spoken with. It is cheap insurance for me and I see no down side except a little extra expense. Hey it is a Nautique right? It is only money. Yellow_Flash_Colorz: