1992 Johnson Evinrude "EN" 9.9 thru 30 Service Repair Manual, P/N 508142, Page 22Get this manual
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Lubrication Chart9.9 thru 15 FREQUENCY (PERIOD OF OPERATION) FRESH WATER SALTWATER t
Change after first 20 operating hoursCheck level every 50 operating hoursChange every 100 operating ho