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  #1  
Old 05-22-2011, 12:51 AM
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shouldwe shouldwe is offline
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well, my buddy (lill cub) was mowing with my 102 today and he heard something ratteling. He stopped to see if it was the hood or gas tank, but as he did that he heard it let go. another connecting rod broke. that is the third k241 i have in my garage now with a broke connecting rod. is their any thing to do to prevent this? well i guess i will be heading to cubcrazys to bring her back to life. RIP K241. MOMENT OF SILENCE PLEASE!!!
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Old 05-22-2011, 07:31 AM
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Sorry to hear that Darren.
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Old 05-22-2011, 08:05 AM
R Bedell R Bedell is offline
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I have had a few Kohler connecting rods let go. I have read and now believe, that the Aluminum Rod gets fatigued over years. Now, anytime I open up a Kohler, it gets a new connecting rod regardless if it looks and checks out good. Cheap insurance as compared to tearing one down again.
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Old 05-22-2011, 11:39 AM
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That rattling was probably from one of the rod bolts backing out causing a lot of play in the connecting rod. That's what happened to the motor in a tractor I got for parts. But since these blocks are cast iron sometimes you get lucky and nothing else breaks. You see cast aluminum motors put the rod right through the side of the block all the time.
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Old 05-24-2011, 10:53 PM
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shouldwe,
Not good when a engine goes south! I have worn them out but not had one come apart YET!
Good luck with the repairs. That 102 is a mate to the one I have. Yours looks a little better than mine.
Regards,
Chris
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Old 05-24-2011, 11:57 PM
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well, i got it the motor out today, the rod broke about an inch and a half up from the crank. the crank looks like it will be ok might have to take it down ten, but we will see. it looks like it is going to need a master kit. i would like to get another motor so someday when i get around to rebuilding this one i will have one on the shelf. it is all in fun with these old beast.
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Old 05-25-2011, 08:29 AM
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David Kirk, (a Kohler engine genius) says you can fit a 18 hp con rod in the 10,12,14,16 horse Kohler engines. The 18 hp con rod is forged instead of diecast and it is made of Alcoa aluminum, and is supposed to be very good insurance against rod failure.


He talks about it here-http://www.kirkengines.com/Hyperlink%20Files/KILLER%20KOHLER%20Part%20I.doc

For more of his interesting pdfs scroll to the bottom of his site- http://www.kirkengines.com/
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Old 05-25-2011, 09:16 AM
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[QUOTE=ljones;74897]David Kirk, (a Kohler engine genius) says you can fit a 18 hp con rod in the 10,12,14,16 horse Kohler engines. The 18 hp con rod is forged instead of diecast and it is made of Alcoa aluminum, and is supposed to be very good insurance against rod failure.

Do not forget to balance the rotating assembly if you change to a different rod.
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Old 05-25-2011, 09:30 AM
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Quote:
Originally Posted by jmroy View Post
That rattling was probably from one of the rod bolts backing out causing a lot of play in the connecting rod. That's what happened to the motor in a tractor I got for parts. But since these blocks are cast iron sometimes you get lucky and nothing else breaks. You see cast aluminum motors put the rod right through the side of the block all the time.
I opened up my 123's engine last summer and the rod was blown in that, it only a small chunk out of the skirt of the cylinder. Thank you cast iron!
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

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