Thread: Gasoline types

87 here never had a problem always add a little ring free. Don't know if it helps but I do it anyway.

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I've run a Honda BF90 since 2006. Never run anything but retular ethanol blend from a close local station. Coming up on 5,000 hours. No problems. If/when I do have a problem I don't think I could blame it on the gas. I do dump in a can of Red Line in once or twice a year just for good measure.

Non ethanol 87 and then Yamaha ringfree additive.

Thanks for the replies. Seeing my boat is on the water 2 or 3 times a week and Mercury recommends 87 octane ethanol blend, Ill run that and if it looks like my boat will sit for a few weeks Ill run the pump gas out and put non ethanol gas in it.

Originally Posted by Tom 513

Thanks for the replies. Seeing my boat is on the water 2 or 3 times a week and Mercury recommends 87 octane ethanol blend, Ill run that and if it looks like my boat will sit for a few weeks Ill run the pump gas out and put non ethanol gas in it.

Just use the Mercury Fuel Additive. My boat has set for up to 3 months and I’ve never had a problem with it starting or running correctly using the additive.


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E-10 in everything here delivered 1000 gallons at a time to the farm tank,vehicals, snowmobiles,boats,motorcycles,lawnmowers,and about a dozen other small gas engine, last carb problem I remember was my chain saw 10ish years ago.

I run non-ethanol on my 4 stroke Mercury. I only run non-ethanol because I may go a few months without using my boat. If I used my boat weekly I would go with regular ethanol gas.

And that is my thought now