my new 682 oil gusher
 

Gentlemen;

Just picked up a 682 (sight unseen)...was told it was a good runner, no smoke, ready to go to work right away....Good news...it does run good...Bad news....its throwing oil.
Looks like its coming from behind the flywheel, not just alittle, alot. And of course, the flywheel is throwing it everywhere. Its the KT17 series ll

http://img.photobucket.com/albums/v7.../cub682010.jpg

http://img.photobucket.com/albums/v7.../cub682012.jpg

after just a few minutes running, major oil slick. I'm thinking seal, but can a bad seal leak that much in just a few minutes? Also, is it a big job to change this out?

Metalrain

oil slick
 

Easy fix?? :bigthink: yes, but that depends on who is doing it.
It does require engine removal and removing the flywheel and cooling shroud's to get at the seal.
I might question if the crankcase breather is ok. The crankcase is suppose to run under a slight vacuum, and you can get by with a little blow by.
But too much and it can help make a leaking seal, worse.
also check to see if the seal in there, is correct, and the one you buy, if you are doing it, is the correct one.
I found a kt17 type 1, with a seal too large on the inside diameter.
probably was a later model one installed by a P Owner

In addition, check to see if there is any "play" in the shaft, indicating a sloppy bearing.

Look at items 7 & 8 in the attached image....

Thanks guys,

I've overhauled a few k301s and k321s in the past, but never dealt with the two cylinders before. I guess i will pull it out and check it over. Is this a common problem with this engine? I was hoping there was something else back there making the mess. I think i'll just replace all the gaskets and seals while i have it out. Is there any other way to check to make sure this is a series ll? The identification tag is un-readable, but the air cleaner does say "series ll".

Thanks for the help....i'm sure i'll be back for more once i get rolling on this thing.

Metal

Up front on the right side there might be two allen head bolts that cap off the oil filter option. If it has that, it's definitely a series II. Now if it doesn't, it could still be a series II. Where you add oil, I've always seen the Sereis I with just a plug but the Series II's i've seen have oil caps but even that's not going to guarantee what it is.

What is the Chassis Serial Number for this 682...??

:Huh:

The serial number is

2050593U686789

It does have a black oil cap you unscrew to add oil...i'll have to look for the oil filter option.

That 682 is an IH built tractor and if the motor is original, it would be a Series I.

I checked for the oil filter option....it does look like it has a cover with two allen head bolts (the cover is on the lower right front potion of the engine). The cover is right in front of the dip stick tube. Does that sound right?

Metal

Yep, that's a series II.

Don't be scared because it's a twin...they're just as simple as the singles, there's just two of some things. I've been inside several of them. They're a bit labor-intensive, but not bad.

I had this same problem with my KT17 series 1 and it turned out to be the seal plug that goes in the hole where the camshaft is bored. It is behind the flywheel and looks like a small freeze plug. There is one on each end of the camshaft bore. You can get the right size at the autoparts store and seal it with a little silicone when you tap it back in. I had to take the engine out and remove the flywheel to get to it.

Thanks Tractor...

Thats good info to have. I've never really seen a bad seal leak as fast as this one does....it might be a bad seal, but i'm thinking theres something else back there for the amount of oil it looses in such a short time.

Metal

My 782 is doing the exact same thing from the front side. It's the seal.

here some Pics from the overhault Kohler KT 17 Series 2 Engine of my Cub Cadet, i hope, it will help you,

mfg Georg:Cub8: