I have a 40hp Evinrude, model# 40455s. What should my oil mixture be?
M moudrybr Recruit Joined Jun 8, 2002 Messages 3 Jun 9, 2002 #1 I have a 40hp Evinrude, model# 40455s. What should my oil mixture be?
P Peter O Petty Officer 2nd Class Joined Sep 23, 2001 Messages 178 Jun 9, 2002 #2 Re: Oil Mixture You have a 1974 40 hp. In 1988, OMC recommended all outboards use 50:1 gas/oil mix
