1998 Johnson Evinrude "EC" 150, 175 FFI Service Manual, P/N 520211, Page 26Get this manual
Break-In Procedure To help ensure long engine life and prevent serious engine damage, the break-in procedure must be followed during the first 10 hours of operationThe ECU will automatically supply extra oil during he first five hours of operationWhenever used engine receives new powerhead or newly rebuilt powerhead, it is mandatory that the break-in procedure be initiated by using the CWIC Diagnostic Software
Important
INote DO NOT operate motor out of waterWater pump can be damaged or engine can overheatINote DO NOT operate engine at constant throttle settingChange engine RPM oftenINotel Verify water pump operation by looking for steady stream of water at the water pump
indicatorFirst 10 Minutes Operate engine idle Next 50 Minutes _in gear at fast _ONLY._
DO NOT operate engine above half throttle (no more than 3500 RPM) DO NOT hold constant throttle settingChange engine speed every 15 minutes
INote With