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Posts: 489
| Researching oil a little. Is HP injector the best? |
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Posts: 337
Location: Watersmeet, Michigan | I would suggest that given the price of that big Optimax, you go with Mercury's own oil (Quicksilver). Any possible problems cannot be blamed on oil that way.
Fr. K |
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Posts: 153
| I know the guys off of next bite use ams oil. I use it in my boat snowmobiel atv ice auger etc never have had any problums I would personaly talk to your merc dealer and see what they recomend |
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| +1 for amsoil |
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Posts: 5874
| I always used Merc Optimax Oil for my Opi's. Buy it in bulk from me dealer. When a gallon was $32, I paid $24. Bring your own container, and save some money. |
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Posts: 1096
Location: Hayward, WI | And I would highly recommend running Mercury Quikleen in your gas. |
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Posts: 5874
| kjgmh - 4/7/2014 7:46 AM
And I would highly recommend running Mercury Quikleen in your gas.
That too! |
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Posts: 13688
Location: minocqua, wi. | what is quickeen and how, how often do you use it? is it like sea foam or stabil? |
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Posts: 139
Location: Aurora IL | I would only run mercury DFI oil, why gamble with it. Always run fuel treatment such as quickleen or startron. I've seen people blow up motors running the wrong aftermarket oils. Bill |
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Posts: 1096
Location: Hayward, WI | Quikleen is a fuel additive made by Mercury to help keep fuel system, spark plugs and combustion chamber clean. With Opti's it really helps prolong the life of the $$ spark plugs. It is a cleaner only and a fuel stabilizer/conditioner should be used also. I recommend running it all the time, but even if ran in a couple tanks a year you will get some benefits.
Similar products are BRP Carbon Guard, Yamaha Ringfree or Sierra Combustion Cleaner. |
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Posts: 153
| only use none ethanol gas ethanol can ruin your engine |
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Posts: 307
| ^10 % ethanol fuel will be just fine in that motor. Run a conditioner if you wish. I have 6 work boats with 150-200 hp motors, various makes and models, each of them see well over 1000 hours/year. Guess what, not one problem that I can attribute to ethanol! Every time a mechanic has a problem they can't figure out it gets blamed on ethanol. There can be bad batches of gas that have ethanol as well as non oxy gas. You can't attribute that to the fact that it just has ethanol in it. Newer boats all have fuel lines that can tolerate ethanol.
That being said you can make a case against ethanol for various other reasons that are not the topic of this thread, but blowing up your motor because of it are not one of them. |
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Posts: 1096
Location: Hayward, WI | There is a huge difference in running ethanol in motors that get 1000+ hours a year and the average fisherman who probably averages under 100. Ethanol will absorb water and phase separate in the gas. The longer the gas is in the tank, the more likely it is going to happen. Same reason that you don't hear as many issues with ethanol in cars, the gas is in the tank for a week or two at most. I am lucky if I run 3 tanks of gas through my motor in year. |
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Posts: 2427
Location: Ft. Wayne Indiana | Directly from my several contacts at Mercury....they have all told me to buy/run QuickSilver Premium Plus oil. It's the same as the Opti Oil just packaged differently so they can sell it to marina's and big box stores as a premium 2 stroke oil. You can easily buy this at places like Walmart, Bass Pro, Cabelas, etc...it's usually around $28 a gallon. |
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Posts: 307
| Are you leaving your gas cap off in torrential down pours? Fact is water in gas is bad whether it is non oxy or oxy fuel. Water actually seperates immediately from non ethanol gas and goes to the bottom of your tank. Ethanol holds onto the water for a while until it reaches a saturation point where it will seperate out and go to the bottom of your tank. Actually a better deal for your tank unless you hit the saturation point. If you are reaching the point of phase seperation in ethanol or enough water in your non ethanol fuel to cause issues you have bigger problems at hand with your fuel system or gas station.
Again how many true phase separation issues occur vs. just plain old water in your non oxy gas issues? It's just another thing that people like to point to, when in reality it's not any more of a problem than it used to be before 10% ethanol fuel.
Like I said earlier there are plenty of debatable points over ethanol. I'm just sick of a lot of mechanics using it as a crutch for issues they don't want to take the time to diagnose or even understand. When in doubt blame ethanol. |
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Posts: 1096
Location: Hayward, WI | Quicksilver DFI oil is the same as Opti oil. Mercury Premium Plus is the same as Quicksilver Premium Plus and is for EFI and carbed motors.
MikeHulbert - 4/9/2014 8:57 AM
Directly from my several contacts at Mercury....they have all told me to buy/run QuickSilver Premium Plus oil. It's the same as the Opti Oil just packaged differently so they can sell it to marina's and big box stores as a premium 2 stroke oil. You can easily buy this at places like Walmart, Bass Pro, Cabelas, etc...it's usually around $28 a gallon. |
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Posts: 20275
Location: oswego, il | I would check what oil you can and cannot run based on warranty. I run the opti oil in my opti. I have an older 2stroke Johnson in my small boat and run amsoil. I know amsoil is good oil but I am not sure if it makes a difference. |
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Posts: 5874
| lund guy - 4/8/2014 1:40 PM
only use none ethanol gas ethanol can ruin your engine
Simply NOT true. |
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Posts: 5874
| MikeHulbert - 4/9/2014 8:57 AM
Directly from my several contacts at Mercury....they have all told me to buy/run QuickSilver Premium Plus oil. It's the same as the Opti Oil just packaged differently so they can sell it to marina's and big box stores as a premium 2 stroke oil. You can easily buy this at places like Walmart, Bass Pro, Cabelas, etc...it's usually around $28 a gallon.
Again, simply NOT true.
Look at the Opti oil(Brownish) and look at the Premium Plus( Blue), and different viscosity. Definitely not the same oil.
From an email that was sent by Mercury Marine a few years ago
Effective October 2010, Mercury OptiMax / DFI or Quicksilver DFI 2-Cycle engine oil is the recommended oil for all OptiMax models - including Pro XS. (The previous recommendation stated the use of Mercury Premium Plus 2-Cycle Outboard Oil in ProXS models and OptiMax oil in non-ProXS models.)
OptiMax / DFI oil is a superior oil when compared to the Premium Plus oil. While both products are high quality 2-cycle engine oils suitable for use in OptiMax engines, the OptiMax / DFI oil contains a higher percentage of additives that reduce carbon deposit formation. blah blah blah.
Now, I know a few people that have used Premium Plus in their Opti's, and never had any problems.
As I said above, you can go to a dealer that sells bulk, and save a lot over buying by the jug. |
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Posts: 247
Location: Grand Marais, MN | Shep - 4/9/2014 10:59 AM
lund guy - 4/8/2014 1:40 PM
only use none ethanol gas ethanol can ruin your engine
Simply NOT true.
it would be nice if there were the "Cochrane Collaboration" of fishermen to settle all these things we argue about once and for all haha. I'd like to see a systematic review on this, probably wouldnt be that hard to do a bunch of double blind studies on this topic.
either way on this topic, there are plenty of other reasons to not use ethanol blends regardless of engine safety |
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Posts: 192
| So, when your warranty expires, then what kind of oil do you guys buy? I faithfully used the recommended Mercury oil, but when my Optimax engine reached 7 years old and went through 2 power heads and I got left holding the bag I kinda felt like I got screwed. Didn't see the value in buying their oil then.
Edited by LarryO 4/9/2014 9:13 PM
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Posts: 247
Location: Uxbridge Ontario | A manufacturer cannot refuse you warranty for failure if you do not use their brand oil. You must however comply to using the correct type of oil. A recommendation is only a recommendation. I have used Amsoil HP injector in my 2011 Opti 225 ProXS for 2 seasons without missing a beat. |
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