1998 Johnson Evinrude EC 5 thru 15 HP Four Stroke Service Manual, Page 24Get this manual
Lubrication Chartthru 9.9 (211 cc) Frequency Figure Lubrication Point
Choke, Carburetor, and Throttle Linkage
Lubricant
Fresh Water
Salt Water
Shift Lever Shaft and Detent Gearcase Capacity: floz(226 ml)
Change after first 20 operating hoursCheck level every 50 operating hoursChange every 100 operating hours or once each season, whichever comes first60 days 30 days