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What is the correct fuel/oil mix for evinrude 4hp ?

I have an older Evinrude 4hp outboard, which is running but seems to get pretty blackened. I'm running it on 25:1 mix (petrol: marine 2-stroke outboard oil) at present.

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  • Anonymous Mar 27, 2014

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The proper mix is 50 to 1 or 16 oz to every 6 gallons,in my little boat I put 4 quarts in the 48 gal tank and its been running for 22 years,your running way to rich and your plug is probaly fouled,take it out clean it up/dump your fuel and mix it right,thats a great motor you got,I hunted with it for years,oh yeah when you get started run it till all the smoke is gone or you will have carb problems ,if you dont have them all ready,a little carb cleaner wont hurt but get it running first,or all that trash will foul you out,have a great trip bartriley1

Posted on Jan 05, 2009

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Hi, I just bought a 1986 outboard boat , Evinrude 60HP , what kind of oil should i be mix ( how to mix ) to get starting , is the NGK spark plug B9HS right to use for this motor ? it look new .

Posted on May 26, 2010

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