I have a 1972 winner tiki with a chysler 70hp motor,it has 2 big screws at the bottom that says grease fill? And the top big flat head screw that says grease fill is leaking some nasty smelling stuff, i guess it is grease, it fills oily but i want to know WHY it is leaking and WHAT will happen IF I dont fix it? Will it be ok? and WHat does that Grease DO? SOMEONE ANYONE HELP!!! DID I tear up my motor!?!?!?!