Can some one please tell me the correct oil fuel mixture for a 1973 mercury 150 hp out board.
R Rparker Recruit Joined Apr 29, 2009 Messages 1 Apr 29, 2009 #1 Can some one please tell me the correct oil fuel mixture for a 1973 mercury 150 hp out board.
8 86RajunCajun Petty Officer 1st Class Joined Apr 23, 2008 Messages 218 Apr 30, 2009 #2 Re: oil\fuel mixture for a 1973 mercury 150hp 50:1 ratio is what you want.
