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View Poll Results: On the Kohler M18/20 what rod broke.
Starter side rod broke. 2 100.00%
Ignition side rod broke 0 0%
Both sides broke 0 0%
Multiple Choice Poll. Voters: 2. You may not vote on this poll

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  #1  
Old 06-03-2017, 11:52 AM
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clay1811/44c clay1811/44c is offline
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Default Kohler M18/20 broken rods, which side?

Okay just curious. My first broken rod Kohler KT17 was on the starter side cylinder. Next M18 also broke the starter side rod. I picked up a 2072 with a broken M20, then bought a M20 for the block. Both motors have broken starter side rods. That's 4 for 4 on that side, is that the norm or just my luck. Not sure how to add the poll feature to this post. I guess the options for the poll would be. Starter side cylinder/rod, ignition side cylinder/rod and both. Just for the Kohler M-series.
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  #2  
Old 06-03-2017, 03:48 PM
dodge trucker dodge trucker is offline
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in the 80s when I was in High school I remember the local Deere dealer donating about 10 KT17s that were all blown up. Back then I had no idea about "series I/series II" and I cannot remember which side was blown; but the teacher had the idea of combining a few to come up with some "good" engines, but all had the same side blown; that was 30 years ago but as I remember he took a couple of blocks down to the weld shop and the welding teacher welded up a couple of the "not as badly" blown block halves, and last I knew, the teacher was able to get 1 engine going that year and was going to go thru them all to see if he could salvage any more of them....
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  #3  
Old 06-03-2017, 04:08 PM
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I just come in to rest from working on a 1810. I am pulling parts from a blown engine. Broken starter side rod. Have not got that far but the piston does not move so I bet that is the problem.
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  #4  
Old 06-03-2017, 10:08 PM
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The M20 from my 2072 had a cracked and repaired (poorly), block from a rod failure on the starter side when I purchased it. The repair was so bad the starter wouldn't fit the block correctly. While looking for a replacement block, I passed on two others that had starter side failure repairs. Finally found a good one!
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  #5  
Old 06-03-2017, 10:29 PM
Mcamp Mcamp is offline
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I have 3 kt-17's and 2 18 mags all with holes at the dipstick.
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Old 06-03-2017, 11:13 PM
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Quote:
Originally Posted by Mcamp View Post
I have 3 kt-17's and 2 18 mags all with holes at the dipstick.
From what, rod or governor?
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  #7  
Old 06-04-2017, 10:53 PM
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Rods on all 5 of them.
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Old 06-05-2017, 07:19 AM
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Just a FWIW,
The blocks are die cast and mating surfaces are machined,and dowel pins installed.
Then they are line bored for the crank and cam.
Swapping a crankcase half from one engine to another, presents a bore alignment problem.
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