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Why do JD engines go putt-putt?
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Posted by PD on February 13, 2004 at 20:20:58 from (205.188.208.73):
I have read the various forums here for a couple years. Though not a Deere fan necessarily, I have learned way more than I ever thought possible about old tractors, especially John Deere. A topic I have yet to see discussed is why JD two-bangers go "putt-putt" when they run, and why all the shake when running. I have a two cylinder Wisconsin engine which runs smooth, Harley two bangers run smooth, etc. Why do the JD engines run so rough, go putt-putt, and why can't they be made to run smoother? Are the pistons synchronized or do they run opposite of each other? I don't know about other two cylinder engines in old tractors, i.e. Hart Parr and International and others. Do they go putt-putt as well or did they run smooth? Not trying to start a war, would just like to know. Thanks and regards.........P
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