B Brandon Dollarhyde Member Joined Feb 5, 2011 Messages 15 Reaction score 0 Jun 18, 2011 #1 How much 2-cycle oil should my 150 merc. use?
Bob G. Well-Known Member Joined May 18, 2000 Messages 3,621 Reaction score 0 Location Vermont Jun 18, 2011 #1 At a 50:1 ratio, you would use approximately 1 gallon of oil for every 50 gallons of fuel.