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#1
07-30-2012, 11:42 PM
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Kohler Command problem
I got a problem on my 1863 with the Command engine. I took this tractor on trade about 1 year ago and the PO told me the engine had overheated and the valve seat came loose in the head. He took it to a machine shop and they repaired it and he put it back on. We traded and I never used the tractor except for a few times pulling a sprayer. It has been parked in the barn and now I'm wanting to sell it.
Over the weekend I noticed the engine doesn't seem like it is running at 3600 rpm. I used my contact tach and found it was only running about 3000 rpm. I adjusted the throttle cable and the high speed adjusting screw and got it up to 3500 but it runs rich and doesn't sound good. When I move it to idle it dies. I thought that maybe the carb is dirty so I removed it and cleaned it but that didn't help. I did notice that I'm getting some oil out of the breather tube when I had the cover off the air cleaner. I checked the crankcase vacuum and have about -5"WG at the dip stick tube. I ordered a cylinder leakdown tester today to check for problems with the valves and rings but got the thinking maybe it's in the ignition. What do you guys think could be my problem?
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This ain't no hobby....it's an addiction 
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#3
07-31-2012, 07:22 PM
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Yea not good...Wow... normally you would see that from a lean running engine..
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#5
07-31-2012, 10:01 PM
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Quote:
 I'm wondering if you still have a mouse problem and if they dined on the wiring under the blower housing? My guess is that engine got hot enough to hurt it.
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2264 with 54 GT deck 1641 AKA Black Jack with a 402-E Haban Sickle bar mower JD317 dump truck BX2670 with FEL
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#6
07-31-2012, 11:12 PM
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A mouse nest atop the fan shroud caused me all kinds of problems. The mouse chewed the kill wire and made a mess under the shroud and under the Tins around the jug causing it to run hot. I then had to replace the valve covers because they were cracked and leaking and caused another mess under the tins around the jugs. Then I had a real mess when the rear oil seal began leaking and lubed the entire outside of the engine. If the fins are kept clean mine runs fine but gets hot if they are gunked up.
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With my son, EricR Super 2084 with 54" mower, 451 blower. 2086 with 3 pt hitch, 54 inch deck, 551 blower, 54 in brinly blade. A 4 digit original w deck. A 70 with deck. 2 102s both with 42 in decks, one with creeper, 1 36 inch IH snow thrower CW36, 1 42 inch IH blade. 149 with mower. 2072 w 3 pt hitch, Johnny bucket, 60 in mower, 451 blower. Jacobson GT 10 with mower. DR Lawn vac tow behind,Home made lawn roller. Brinly cart, 2 off brand carts and 1 home made cart.
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