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So, 95CS (corn special?) I had a 105 corn special. Where did you receive your engineering degree? Down to the discussion I think if you put strain gauges on that flywheel you would see that there is more strain upon shutdown than idle, and certainly more than WOT. What causes the problem is the engine bouncing several times off of TDC (back and forth). For an example.... pretend you are lying down on a merry-go-round. Pretend that something is spinning you in a circle for several minutes. Now pretend that the merry-go-round suddenly changed directions several times in just a couple of seconds. It would hurt a little would it not? So the problem is the torsional motion in both directions in a short amount of time that causes the problems. The only thing that might be worse than the shutdown would be a dead hard, cold stop when that rotary cutter hits a stump and kills the engine in a finger snap. Ever seen a lawnmower hit a stump? Sheared the key in the flywheel didn�t it? Another example�. Ever used an old corn sheller? The kind you have to turn with a handle and push the cobs in the hopper in the top? We had one at one point that was worn out (like everything else at my home). It worked fine as long as you turned it up slow and kept a good steady spin on it. It would even take a jerk or two in the right direction, but if you ever jerked it in the opposite direction it was going to jump the cogs. A jerk back and forth while it was at a dead stop was out of the question. The sheller would not turn at all. If you let spooled it up and let it coast to a nice feathered stop a problem was never created. Most likely no one would have a problem if they only used those flywheel bolts once, but since the guy that last opened mine up was most likely a tight wad and didn�t buy new bolts I'll keep using that decompression lever and cross my fingers that my flywheel never comes loose. I'll never be able to look back and say "I should have pulled the decompression lever when I shut that thing down" Will I? I�m not trying to get your panties in a wad, but it seems as though you are always making a snide remark in someone�s post. The comments don�t usually encourage or give helpful information it�s much better to engage someone�s brain to think logically than to speak condescendingly to them. They learn to think for themselves. As the old saying goes �give a man a fish and feed him for a day. Teach a man to fish and feed a man for life.� If you do have a good working knowledge of tractors and equipment why not help others with it?
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