1994 Johnson/Evinrude "ER" 2 thru 8 outboards Service Manual, Page 51Get this manual
20-Hour Check Outboard Marine Corporation encourages all Johnson and Evinrude owners to return their new engines to an authorized dealer for mechanical checkThis check should be performed after approximately 20 operating hoursThe cost of this check should be figured at local dealer labor rates and paid for by the engine ownerThe 20-hour check should include: 1Drain and fill gearcase with recommended lubricantPressure and vacuum test gearcase if signs of water are present2Check torque on cylinder head screws and spark plugs3Check all linkage adjustments4Check engine mounting hardware for tightness5Lubricate all grease fittings with OMC Triple-Guard grease6Check entire boat and engine fuel system for signs of deterioration, damage, or leaks7Check all engine systems for signs of deterioration or problems