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Jan 23rd, 2013
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Mercury 250 Pro XS #13945441 04/02/21 08:29 PM
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Ranger Guy Offline OP
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I just purchased a 2018 boat with a 2018 Mercury 250 Pro XS 2 stroke. This is my first Mercury. What is the preferred oil for this motor? Do you run just regular gasoline or premium.?Feedback is appreciated.
Thanks


Kyle Clemmons
Moritz Chevrolet - 9101 Camp Bowie W Blvd, Fort Worth, TX - Monte Coon (817) 696-2003
Re: Mercury 250 Pro XS [Re: Ranger Guy] #13945529 04/02/21 09:54 PM
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I also just got a 2018 250 Proxs. Run 89 octane and use non ethanol gas in it. I've always run mid grade gas in my truck and boat. Just bought some of the BAsspro semi-synthetic blend TWC-3 oil. Anyone else use that yet? Good luck with your new boat and congrats!


2019 Chevy Tahoe
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PB Wife of 30 years!
PB Largemouth 9.56 Ray Roberts
Re: Mercury 250 Pro XS [Re: Ranger Guy] #13945548 04/02/21 10:22 PM
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ko bass attack 27 Online Content
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The owners manual recommends DFI oil with premium plus being acceptable. 87 octane gas is recommended but I try to find the non-ethanol as well.

Re: Mercury 250 Pro XS [Re: Ranger Guy] #13945561 04/02/21 10:41 PM
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elkhunter7x6 Offline
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I run DFI oil and 87 octane gas with ethanol. Not too many places around here carry the ethanol free. When you can find it it’s around $.75 per gallon higher.

Check out Domo online oil prices.

Re: Mercury 250 Pro XS [Re: Ranger Guy] #13945584 04/02/21 11:08 PM
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http://www.bbcboards.net/forumdisplay.php?f=7


All your questions can be answered here.

Re: Mercury 250 Pro XS [Re: Ranger Guy] #13946013 04/03/21 02:19 PM
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Ive been running Amsoil for awhile now. It seems to burn a little cleaner than the Merc oil.


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�It�s all in your head. It doesn�t matter if your 6 or 60. You can participate in this sport."-Rick Clunn
Re: Mercury 250 Pro XS [Re: Ranger Guy] #13946021 04/03/21 02:25 PM
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I ran quick silver synthetic and regular old 87 octane in mine.

Re: Mercury 250 Pro XS [Re: Ranger Guy] #13946167 04/03/21 05:15 PM
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361V Offline
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2013 Pro XS 250. Always use Mercury DFI oil. I usually purchase it from Rockwell Marine. They carry it in bulk but sell it in their own gallon jugs cheaper than I find it anywhere else. Gas is 87 octane. No guess work because that’s exactly what Mercury specs for the motor. Ethanol free fuel when it’s convenient.

Re: Mercury 250 Pro XS [Re: 361V] #13946447 04/04/21 12:47 AM
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Jake Shannon(Skeet4Life) Offline
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Originally Posted by 361V
2013 Pro XS 250. Always use Mercury DFI oil. I usually purchase it from Rockwell Marine. They carry it in bulk but sell it in their own gallon jugs cheaper than I find it anywhere else. Gas is 87 octane. No guess work because that’s exactly what Mercury specs for the motor. Ethanol free fuel when it’s convenient.

Good advice here. And run the piss out of it every trip at least once

Re: Mercury 250 Pro XS [Re: Ranger Guy] #13946474 04/04/21 01:36 AM
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With an opitmax run DFI oil and 87 octane gas with Dons cocktail preferably, its a pain but will save you $ on failures. I also religiously run non ethanol gas but thats not a must if your using the cocktail.

Last edited by SC-001; 04/04/21 01:40 AM.
Re: Mercury 250 Pro XS [Re: Jake Shannon(Skeet4Life)] #13946559 04/04/21 03:24 AM
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Originally Posted by Jake Shannon(Skeet4Life)
Originally Posted by 361V
2013 Pro XS 250. Always use Mercury DFI oil. I usually purchase it from Rockwell Marine. They carry it in bulk but sell it in their own gallon jugs cheaper than I find it anywhere else. Gas is 87 octane. No guess work because that’s exactly what Mercury specs for the motor. Ethanol free fuel when it’s convenient.

Good advice here. And run the piss out of it every trip at least once


Agreed


Scott Jones
Re: Mercury 250 Pro XS [Re: Ranger Guy] #13946826 04/04/21 02:55 PM
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No reason to run dfi oil in it. I have an 08’ with somewhere around 1000 hours on it and I run Pennzoil. It’s significantly cheaper, has the same warranty certifications, and I have actually seen a Shell refinery. Have you ever seen a Mercury refinery?


"Money well spent Jake, both times!!!" -Gus McCray
Re: Mercury 250 Pro XS [Re: Ranger Guy] #13946902 04/04/21 03:54 PM
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Do yourself a favor and run the DFI Oil.

Re: Mercury 250 Pro XS [Re: Ranger Guy] #13947039 04/04/21 06:16 PM
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Neches Offline
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Run the exact oil that has been ran in it. I’ve heard not to change types

Re: Mercury 250 Pro XS [Re: Ranger Guy] #13947060 04/04/21 06:46 PM
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Nothing wrong with Premium Plus. $22.95 a gal @ Academy everyday.

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