1996 Johnson/Evinrude Outboards 50 thru 70 3-Cylinder Service Manual, Page 29Get this manual
Break-In Procedure During the first 10 hours of break-in operation you must use 50:1 fuel oil ratio in your fuel tank in addition to the operation of the Oil Injection SystemAfter the 1Q-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 system If the system is disconnected or the engine is not equipped with 25 :1 fuel oil ratio in the fuel tank for the first 10 hourssystemyou must use a
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
INotel DO NOT operate motor out of waterWater pump can be damaged or engine can overheatI Note
I DO NOT operate engine at constant throttle settingChange engine RPM often Operate engine in gear at fast idle speed only
First 20 Minutes
Verify water pump operation; look for steady stream of water from the water pump indicatorNext 40 Minutes Operate engine below 112 throttle (no more than 3500 RPM) Verify water pump operation; look for steady stream of water from the water pump indicator Change engine speed every 15 minutesDO NOT hold constant throttle setting Note