85hp force 88yr

eppardg

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Mar 15, 2010
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I have gear oil comeing out of the weep holes on the lower unit at a pretty good rate and I pulled the drain plug I had no water comeing out of it just oil my son turned the prop with the drain plug was out and it will not go back in how do I get it back in and what would be causing the oil to drain out of these holes.?

Thank you.
Garry
 

pnwboat

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Oct 8, 2007
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Re: 85hp force 88yr

The oil you are seeing may not be gear case oil. Take your finger and dab it and smell the oil. If it has any gas odor to it, it's probably not gear case oil, but unburned fuel/oil mixture. Nothing to worry about. If it has a distinctive sulfur smell to it, then that's a different story. Gear case oil has a very distinctive smell to it.

Now for the "drain plug".
Sounds like your son removed the wrong plug. It sounds like he removed the shift linkage pivot pin. It's not uncommon to mistake it for a drain plug. Very difficult to get back in as you have to get the internal linkage perfectly lined up to go back in. Most of the time it's pretty much impossible to do. You end up having to take the lower gear case apart to get the pin back in.

The drain plug is located on the very bottom of the gear case. Towards the front bottom side of the gear case. Sometimes it's difficult to see it. It's probably an Allen head insert. You need an Allen wrench to remove it.
 

eppardg

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Re: 85hp force 88yr

It has a very distictive smell to it and I am sure that it is gear lube it does not smell like gas it smells up my garage. as for the wrong plug is it difficult to tke the lower shaft of the motor to get this lined up as for the leak could it be the main seal under the water pump?
 

pnwboat

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Oct 8, 2007
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Re: 85hp force 88yr

It's not difficult to take the lower unit off. There is I believe five or six bolts hold the lower unit on. There is one bolt that is hidden underneath the exhaust snout. You have to remove the exhaust snout to see it. I would suggest that you get a maintenance manual. Lots of good information there.

It's hard to say where the leak is. Depending on which seal it is you may not have to completely disassemble the lower gear case to replace it, but I would probably take it all the way apart "just in case" and change all of the seals. It's not that difficult to do yourself if you are mechanically inclined and have the manual. You can re-install the pivot pin while it's apart.

There is also a "sticky" (second topic from the top on this Forum) that outlines a step by step procedure to replace your water pump impeller. Part of the procedure describes the removal of the lower unit.
 

pugerz

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Oct 22, 2009
Messages
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Re: 85hp force 88yr

Look at my post from a couple weeks ago. I have some pictures of oil weeping out motor. I was using a richer oil gas mixture when i was using the motor and I guess it was unburned fuel. I dumped my gas and put in proper mixture and now i have no leaks.
 
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