1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 35Get this manual
Submerged Engines Engine Dropped Overboard (Not Running)
If engine is recovered from water immediately, it must be serviced within three hoursSee Prolonged SubmersionINotellf engine cannot be started or serviced immediately, it should be resubmerged in fresh water to avoid exposure to the atmosphereMake arrangements to have it serviced with the least possible delay