7 Steps to Keeping your Outboard Kicking

After removing the top gear-case plug you should see gear oil slowly seep from the access hole.  If not check your levels by using a matchstick or a pipe cleaner inserted into the hole, at the same time you can check for any signs of water mixing with the oil; it will show as a milky white color and indicates a lower-unit seal leak that must be attended to immediately by a qualified mechanic.