Flappn Posted April 2, 2012 Report Share Posted April 2, 2012 Hello Folks, wondering if someone can offer their opinion on which oil is better to use for 2 stroke motors, "Mercury Premium 2 Stroke Oil" or "Mercury Premium Plus 2 Stroke Oil (synthetic blend)"? And why? Thank you Link to comment Share on other sites More sharing options...
BillM Posted April 2, 2012 Report Share Posted April 2, 2012 Depends on the motor really. If it's a older 2-stroke that's had dino based premix all it's life, I'd just keep using that. If it's a new oil, then start it on the synthetic stuff and stick with it... I run Silkolene Pro2 and Comp2 in all of my 2-stroke engines (weedeater, dirtbike, etc) Link to comment Share on other sites More sharing options...
Sinker Posted April 2, 2012 Report Share Posted April 2, 2012 I run the dino oil as well. I have always ran the Merc oil thru my mariner, so I'll stick to it. I have about 20 litres to use up anyways lol. Buy it in bulk when its on sale. S. Link to comment Share on other sites More sharing options...
COUNTRYBOY Posted April 2, 2012 Report Share Posted April 2, 2012 Depends on the motor really. If it's a older 2-stroke that's had dino based premix all it's life, I'd just keep using that. If it's a new oil, then start it on the synthetic stuff and stick with it... I run Silkolene Pro2 and Comp2 in all of my 2-stroke engines (weedeater, dirtbike, etc) I THINK EITHER OIL IS OK, I FIND THE SYNTHETIC STINKS MORE AND IF YOUR AT THE BACK OF THE BOAT WITH THE MOTOR RUNNING..LIKE DOWNRIGGING...IT BECOMES NOXIOUS..IMO Link to comment Share on other sites More sharing options...
ohhenrygsr Posted April 2, 2012 Report Share Posted April 2, 2012 (edited) Great Opinions, just wanted to add with the manufacture oils. Using a generic grade like Pennzoil or Castrol has a lot of wax in the oil which will gum up the internals. Edited April 2, 2012 by Henry Nguyen Link to comment Share on other sites More sharing options...
Flappn Posted April 2, 2012 Author Report Share Posted April 2, 2012 Thanx for the info guys. It's a 89 90hp 2 stroke. A friend of mine has converted to the synthetic on his 88 Merc, I'm just going to keep using the Mercury Premium 2 Stroke Oil. Link to comment Share on other sites More sharing options...
fish_fishburn Posted April 2, 2012 Report Share Posted April 2, 2012 Irecommend Amzoil. Been using it in my 96 2 stroke from day 1 and my motor has never seen a mechanics hands except for scheduled maintenance. Link to comment Share on other sites More sharing options...
Cosmos Posted April 2, 2012 Report Share Posted April 2, 2012 Irecommend Amzoil. Been using it in my 96 2 stroke from day 1 and my motor has never seen a mechanics hands except for scheduled maintenance. second for Amzoil. Link to comment Share on other sites More sharing options...
Billy Bob Posted April 2, 2012 Report Share Posted April 2, 2012 How much money you want to spend/waste is my question..... My 1985 Johnson VRO 50hp is currently running on Johnson oil because a friend gave me 2.5 gallons of it.....before that it was Walmart SuperTech for the last 10 years or so....before that Lubermatic for about 8 years....after this free 2.5 gallons is gone I have a free gallon of Merc Silver Oil and then after that it will be Walmart SuperTech again as it runs great on it....just like all the other oils it has eaten in the last 27 years......I was getting the Walmart SuperTech for $8.99 per gallon.....but I'm sure the price has increased lately, just like everything else... Link to comment Share on other sites More sharing options...
hirk Posted April 2, 2012 Report Share Posted April 2, 2012 Just run quaility oil, they are not all created equal even though they meet tcw3 specs. Myself Ive ran straight penzoil plus turning up to 7200 rpm @40-1 premixed though) and used amsoil for yrs, right now running 2/3 penzoil with 1/3 amsoil and seafoam. Your running a low rpm recreational engine so synthetic isnt needed but it would extend your ring life some. Just dont run junk oil. Link to comment Share on other sites More sharing options...
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