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Update -Oil Leak On K321- Bad News?


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59 replies to this topic

#46 IamSherwood OFFLINE  

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Posted May 24, 2012 - 06:24 AM

In that one picture, it sorta looks like a fish hook shaped crack. Sorry to hear it Brian.
Keep searching Kijiji. Eventually, you'll find the right donor.

#47 bgkid2966 OFFLINE  

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Posted May 24, 2012 - 09:49 AM

I do not see the heat being a big issue. JB Weld does ok with heat, there are also other epoxies like it made for heat. As for getting it clean enough, Brake clean works really well. My K301 has an aluminum oil pan mounted directly to the frame and had fractures around all the bolt holes. I cleaned with brake clean, copious amounts, and then air dried it inside and out. The next day I did it again to make sure it was clean through the crack to the inside. Then the wire wheel on a drill to rough the whole thing on the inside and out and hit with brake clean again, let air dry. I mixed the JB Weld and then spread it generously. I have not seen a drip of oil from the engine yet.
Anyway, in my humble opinion, the cost of JB Weld and some time and effort could go a long way. I am the type to not give up on stubborn problems.

Geno

#48 Amigatec OFFLINE  

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Posted May 24, 2012 - 11:53 AM

Also you have to figure in the vibration and heat expansion. I tried a muffler sealer of my B&S block and it lasted a few hours. I finally had a pipe brazed into the block to fix the exhaust port.

Edited by Amigatec, May 24, 2012 - 11:54 AM.


#49 bgkid2966 OFFLINE  

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Posted May 24, 2012 - 12:13 PM

Take a look at this.

http://www.ebay.com/...=item2ebe5e3aee
  • JDBrian said thank you

#50 olcowhand ONLINE  

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Posted May 24, 2012 - 12:16 PM

As much as I would like JB Weld to work for something like this, it just won't cut it at all in this application. I hate to see anyone waste their time on a fruitless endeavor. I use JB Weld for lots of things, but this is not one of them.

#51 frenchy OFFLINE  

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Posted May 24, 2012 - 12:26 PM

The leak is in the wost possible spot for getting it sealed and the presence of oil soaked into the area would make it nearly impossible to clean it to the point where you could get a good bond. Then there is the heat as you've noted and pressure. A tough job for any adhesive.


Hey JDBrian,

I'd blast that spot with Brake Cleaner, blast with compressed air, repeat until clean and then try the JB Weld.

hth

Frenchy

<edit to change "blake" to "brake">

Edited by frenchy, May 24, 2012 - 03:42 PM.


#52 JDBrian OFFLINE  

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Posted May 24, 2012 - 04:40 PM

Take a look at this.

http://www.ebay.com/...=item2ebe5e3aee


Thanks, that reminds me to check with our site sponsors after I have a look locally.

#53 bgkid2966 OFFLINE  

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Posted May 24, 2012 - 05:11 PM

There also were some short blocks and complete brand new k301's on ebay. I searched k301 kohler to find.

Geno

#54 olcowhand ONLINE  

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Posted May 24, 2012 - 05:48 PM

There also were some short blocks and complete brand new k301's on ebay. I searched k301 kohler to find.

Geno


K301 is just 12hp. I doubt he wants to go down on HP....we usually always go UP! ....The Tim Taylor Syndrome!

#55 KennyP ONLINE  

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Posted May 24, 2012 - 05:55 PM

K301 is just 12hp. I doubt he wants to go down on HP....we usually always go UP! ....The Tim Taylor Syndrome!

More power!!!! uhmuh!!!!!

#56 bgkid2966 OFFLINE  

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Posted May 24, 2012 - 06:59 PM

Sorry about the mix up. I must have misread the title. Doh!! :confuse: I was still asleep, yeah that's it!

Geno

#57 JDBrian OFFLINE  

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Posted May 24, 2012 - 07:11 PM

I'd rather stick with a 321 or a 341 if possible. I've been doing some basic research on replacement engines. It isn't straight forward to re power one of these. Looking at a Kohler Command Pro single the crank is about 1-1/2 inches higher than the Kseries. I think it's due to the oil pan going down below the mounts where the new engines have the mount on the bottom. It may fit with an adapter of some kind. The popular engine is the Vanguard 18hp twin which is something like $1350 for the kit which includes a lot of extras like wiring, a PTO adapter plate, new mounting cradle brackets etc. Looking at the Chinese 10hp diesels it looks like they have a 1 bearing 1 bushing crankshaft so using the flywheel side for output to the hydro isn't a good idea. I haven't verified that yet but looking at a parts diagram it seems to be the case. A good used K series is an option and if possible I'd take it apart and have it mic'd and rebuilt as required.

#58 IamSherwood OFFLINE  

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Posted May 24, 2012 - 10:25 PM

Brian, I've got 2, just, totaly rebuilt K341's sitting on the shelf.
I'll drive one out to you, but you'll have to treat me to lobster diner.
That could me more expensive, than air freight.LOL I love lobster.
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#59 JDBrian OFFLINE  

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Posted May 25, 2012 - 04:56 AM

Probably close Will. I'm not a lobster fan myself. My parents love the stuff. Dad was a refrigeration tech in one of the big lobster fishing areas and did a lot of work for the fisherman over the years. We would come home sometimes to find a cardboard box on the front porch with 20lbs of lobster in it. Even though he has retired there are still a couple of guys who remember him and leave these presents on the door step now and then.

#60 bgkid2966 OFFLINE  

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Posted May 26, 2012 - 08:21 PM

I know this is not close to you but I thought maybe worth an email. He seems to have a few kohlers to choose from.




http://chicago.craig...3039927247.html

Geno




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