1992 Johnson Evinrude "EN" 9.9 thru 30 Service Manual, P/N 508142, Page 50Get 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, flush, and fill gearcase with recommended lubricantPressure and vacuum test gearcase if signs of water are present2If equipped, check power trim reservoir for proper fluid level3On mechanically steered engines, lubricate cable ram with OMC Triple-Guard grease4On power steering engines: Lubricate cable ram with OMC Triple-Guard greaseCheck pump reservoir for proper fluid levelCheck entire system for signs of external fluid leaksCheck pump drive belt tension