1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 31Get this manual
Break-In Procedure Fuel Pump ModelsUse 50: fueloil mixture in the fuel tankUse only the recommended lubricant at ratio not leaner than 50:1ModelsUse 100: fueloil mixture in the fuel tank in addition to the AccuMix or systemUse only the recommended lubricant at ratio not leaner than 100:1Mark oil level on VRO reservoir to verify oil consumption before changing to clear fuelHour 1: For the first 5-10 minutes, operate engine at fast idleFrequently check operation of water pumpThere should be steady stream of water from the overboard indicator at the rear starboard corner of the lower engine coverFor remainder of first hour, engine should be operated at boat planing speedDo not operate engine over 3500 RPM, or approximately one-half throttleChange engine speed every 15 minutesWith easy-planing boats, bring the boat into planing position with full power and then immediately reduce the throttle setting to approximately 3500 RPM (one-half throttle)BE SURE boat maintains planing attitude at this throttle settingHour 2: Bring boat into planing attitude and reduce power to 4000 RPM, or approximately three-quarters throttle, while maintaining planing attitudeAt intervals during the second hour, apply full power for periods of one to two minutes, returning to threequarters throttle for cooling periodChange engine speed every 15 minutesHours10: Avoid continuous full-throttle operation for extended periods during the next eight hoursChange engine speed every 15 minutesAfter 10 hours of break-in, check oil level in the VROoil tank or AccuMix reservoir to verify that oil is being consumed to ensure proper lubrication of engineAdd oil to refill VRO oil tank or AccuMixreservoir before switching from 100:1 fueloil mixture to clear fuelRetorque cylinder head screws after engine break-in periodRetorque after engine has been run and cylinder head has cooled to the touch