1995 Johnson Evinrude "EO" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 503151, Page 27Get this manual
Break-In Procedure During the first 10 hours of break-in operation, you must use 50:1 fueloil ratio in your fuel tank in Oil Injection SystemAfter the 10-hour break-in period, check to addition to the operation of the see that the oil level in the tank has changed, indicating that oil has been used before using unmixed gasoline in the fuel systemIf the hourssystem is disconnected, you must use 25:1 fueloil ratio in the fuel tank for the first 10