1991 Johnson Evinrude EI 60 Loop V Models 150, 175 outboards Service Manual, Page 25Get 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 addition to the operation of the Oil Injection SystemAfter the 10-hour break-in period, check to 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
To help ensure long engine life and prevent serious engine damage, using additional oil in the fuel is mandatory during the first few hours of operation of: new engine used engine with new powerhead used engine with newly rebuilt powerhead
'Note' DO NOT operate motor out of waterWater pump can be damaged or engine can overheatFirst 10 Minutes Operate engine at fast idle ONLY Verify water pump operation by looking for steady stream of water at the water pump indicatorNext 50 Minutes _