Leaky Clinton J9

[bill-m]

Can anyone tell me why this lower unit is leaking? I had this motor out on the lake last week and after bringing it out of the lake I found it leaking out of a little hole next to the fill plug. I don’t know what the little hole is for and if it is supposed to do this. Thanks.

[Buccaneer]

Not familiar with the model, but I would guess the drive shaft seal
is bad.

Prepare to be boarded!

[fisherman6]

I believe that is just exhaust oil residue coming out of the weep hole inn the lower unit. I believe what you are seeing is completely normal and not indicative of any leaks. Someone please correct me if I’m wrong. I am not familiar with this particular model either, but mist of my motors will weep a bit of oilly residue after running due to unburned oil collecting in the exhaust housing. Extended running at high speed will eliminate most of this. Extended trolling will increase it.
-Ben

OldJohnnyRude on YouTube

[garry-in-michigan]

Absolutely correct. That is why you see so many pie plates under motors that are run and still displayed inside. . . 😆

[bill-m]

Before I took this motor out, I checked the gear housing lube and it was a light tan milky color which looked to be old Lubri-plate. I bought a tube of Lubri-plate and squeezed enough in to force out most of the old lube. I had to really lean on that tube to get it in there.The owner’s manual says to use regular automotive 90wt gear oil.If I was to switch to gear oil, I would use Quicksilver. What you see in the picture is residue three days later. This is the same that I see after I use my Mercury KF5. When I first pulled it out of the water thou, it looked like the Lubri-plate gear lube coming out and it was coming out steady for quite a while. I still don’t know what that extra hole is for. I will open it up and top it off again and see what happens. If the gear lube comes out again, I will post another picture for your critique. If it was a seal that needs to be replaced, where could I find a repair manual for this motor?

[guzzi-john]

90wt mixed w h2o looks like a latte.

[bill-m]

Yep! I think you’re right. I might have miss read what I saw and put the wrong stuff in the gear housing. So now the question is, did I do any damage to the lower unit and what is the best way to clean out the gear housing so I can put the right stuff in? And, I still don’t know what the little hole that the lube is coming out of is for. Any help on that would be greatly appreciated.

[Author]

Posts