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JD 50 governor

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mgb

05-27-2000 21:20:08




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Got my 50 running and I've been playing around with it, doing some bushhogging and other fun stuff. There's still one problem. Unless I run with the choke about 1/2 closed the engine will continuosly speed up and slow down, no matter the throttle setting. This is all the time, hot or cold engine. If you get down and watch, the throttle rod is constantly moving back and forth as the governor opens and closes. If you hold the rod open with your hand the engine will run, but if you hold it when it is in the closed position the engine will die. The only way to override all this is to pull the choke rod about 1/2 the way out. This is a gasoline tractor with the double induction carb.

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jdfred

05-28-2000 20:03:16




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 Re: JD 50 governor in reply to mgb, 05-27-2000 21:20:08  

the other posts on your problem may be right, but i would also check for an intake air leak. if you have a bad carb/manifold gasket or intake / head gasket the engine will run lean andit will be hard to control speed. pulling the choke compensates for the intake and allows for normal oeration.



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DougS

05-28-2000 17:39:12




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 Re: JD 50 governor in reply to mgb, 05-27-2000 21:20:08  
All the advice you have recieved from the guys below is right on the nailhead. Clean your carb,and when you think you have it clean, do it again. Those small passages need lots of attention. Doug inTx



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Dave2N

05-28-2000 15:06:37




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 Re: JD 50 governor in reply to mgb, 05-27-2000 21:20:08  
You've got a dirty carburetor. Just went through the same thing with a 70. Restored the governor, rebuilt the carb, still doing the same thing. Talked to some experienced JD guys and they all said "carburetor." I said it was just rebuilt. They still said "carburetor." We took it off and took it apart and gave it a good long soak, found some crud we had missed, put it back together and on the tractor and the 70 now runs great!

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bob

05-28-2000 04:48:46




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 Re: JD 50 governor in reply to mgb, 05-27-2000 21:20:08  
your governor sounds fine. check your carburator. sounds like a plugged fuel passage somewhere.



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