1998 Johnson Evinrude EC 5 thru 15 HP Four Stroke Service Manual, Page 22Get this manual
Lubrication Chart9.915 (305cc) Frequency Figure Lubrication Point
Choke, Carburetor, and Throttle Linkage Shift Lever Shaft and Detent Gearcase Capacity: floz(226 ml)
Lubricant
Fresh Water
Salt Water
owe Utra-HPFTM
Gearcase Lube