Posts: 3480
Location: Elk River, Minnesota | Hiya,
This information is coming from the Suzuki owners manual dated April of 2006. It is located at the top left corner of the manual on page 3 of the manual itself...or page of the PDF document. I have the PDF downloaded, but it is too big to upload here. If you would like a copy of it, please feel free to PM me with an email address and I will gladly send it to you...
"Suzuki highly recommends that you use alcohol-free unleaded gasoline whenever possible, with a minimum octane rating of 87. In some areas the only fuels that are available are oxygenated fuels. Oxygenated fuels which meet the minimum requirement and the requirements described below may be used in your outboard motor without jeopardizing the New Outboard Motor Limited Warranty"
Any motor made after this I believe would also fall under this same requirement, so you are safe running 87 octane (90 RON) E10 fuel as stated directly in the manual. If your motor requires 91 octane as a minimum, you can run E10 92 octane and be fine. My gut says 87 will be the minimum.
I also downloaded the 150/175 and the 90hp manuals from 2012 and they have the same overall statements.
As for the gas at marinas, you are tied to what they have if you are in need to purchase. Many marinas might very well be falling into the same false information the oil companies want you to believe... They get what the people desire and from the propaganda they receive or as I would suspect in some cases perceive...
Don't worry my friend....your motor is designed to run E10...you will be perfectly fine...
Mix it up if you have to, but if E10 is available, I would not hesitate at all to use it.... Think about it...if you are in a wet environment and a touch of water gets into your tank...the E10 will get it through your system without any issue... Non-oxygenated fuel CANNOT do that...
Steve
Edited by VMS 3/27/2019 10:38 PM
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