1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, Service Repair Manual P/N 507875, Page 87Get this manual

1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, Service Repair Manual P/N 507875, Page 87

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1 Install the proper test propeller and put engine in suitable test tank2 Start the engine and allow it to reach normal operating temperatureStop the engine3 Carefully remove the oil supply hose from