plumber joe Posted July 12, 2014 Share Posted July 12, 2014 Hi guys I have a 2004 2 stroke mariner motor , just wondering what is the best fuel to use 91 or 95 unleaded . Thanks Link to comment Share on other sites More sharing options...
Geoff Posted July 12, 2014 Share Posted July 12, 2014 Unleaded or Premium. Do not use E10 as it has been known to stuff up the fuel system. Geoff Link to comment Share on other sites More sharing options...
plumber joe Posted July 12, 2014 Author Share Posted July 12, 2014 Yeah normal unleaded 91 or premium 95 which ones the best to use ? Link to comment Share on other sites More sharing options...
a boat Posted July 12, 2014 Share Posted July 12, 2014 You would be hard pressed to notice the difference on that engine so save the money and buy the cheaper of the two. Link to comment Share on other sites More sharing options...
plumber joe Posted July 12, 2014 Author Share Posted July 12, 2014 Thanks Huey really appreciate your advice, I think I'll go with the 91 Cheers mate Link to comment Share on other sites More sharing options...
Guest Aussie007 Posted July 12, 2014 Share Posted July 12, 2014 (edited) take note some smaller servos sell 91 E10 also Liberty i think is one of those servos u dont want any E10 as mentioned i also think they self 95 E10 Edited July 12, 2014 by gazza Link to comment Share on other sites More sharing options...
Ryder Posted July 12, 2014 Share Posted July 12, 2014 Definitely no E10 and I have heard no 98 in a 2stroke. Apparently the higher octane can make the oil/fuel split. Is this true? Link to comment Share on other sites More sharing options...
Berleyguts Posted July 13, 2014 Share Posted July 13, 2014 Definitely no E10 and I have heard no 98 in a 2stroke. Apparently the higher octane can make the oil/fuel split. Is this true? Never hear about 98 being an issue in a 2 stroke, or fuel/oil splitting. I run 98 in my Etec and I ran it in my old Mariner because it's what I run in my car. Simpler all round. Baz Link to comment Share on other sites More sharing options...
The Incredible Hull Posted July 13, 2014 Share Posted July 13, 2014 Definitely no E10 and I have heard no 98 in a 2stroke. Apparently the higher octane can make the oil/fuel split. Is this true? I've been using 98 in my 2stroke outboard and 2stroke lawn mower for over 10 years. I couple it with iridium plugs. Yep I treat my engines like Kings and in return they give increased fuel economy from cleaner burns. Link to comment Share on other sites More sharing options...
Juggs Posted July 13, 2014 Share Posted July 13, 2014 we used 98 in our kart engines with synetic or full organic oils no dramas18,000 - 22,000 rpm screamers 44hp from 125cc Link to comment Share on other sites More sharing options...
perrydj1 Posted July 13, 2014 Share Posted July 13, 2014 (edited) I've got a 2006 40hp Mariner, and it runs by far the best on 95 (have tried 98 too)idles a little smoother. Doesn't seem to run quite as well on the 98 at higher revs, don't ask me why I haven't a clue. I only buy from BP/Shell or Caltex, never independent especially if I buy regular unleaded. Edited July 13, 2014 by Fozzy Link to comment Share on other sites More sharing options...
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