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Model B, No throttle response

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Jake G.

06-06-2001 17:03:46

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I had to replace a front cam bearing and in doing so had to remove the timing gears. Since then the tractor will run as long as there is no load. As soon as I let the clutch out it stalls. I can see the it doing that if the mag. is out of time, but will it run if the crank and cam are out?? I'd hate to have to pull the nose off that thing again. Also, since having the govenor off, I can move the throttle lever back and forth and it still runs at the same RPM. What did I screw up there??

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Dick L

06-06-2001 19:36:06

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 Re: Model B, No throttle response in reply to Jake G., 06-06-2001 17:03:46  
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Do you have the spring hooked up that connects the throttle and governor?

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06-06-2001 19:23:27

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 Re: Model B, No throttle response in reply to Jake G., 06-06-2001 17:03:46  
yes, an engine will run if the timing sprockets are one tooth off. it is a lot of work to pull the frontend, but you have to know how it went together. Did you just slide it together or line up the match marks on the sprockets? the throttle lever rod running up to the magnito has a pivot arm on the top of the mag. another rod routs across the backside of the radiator to the front left corner of the engine and back to the carburetor. when you move the throttle lever, does the rod at the carburetor move? or is it disconnected up by the magnito somewhere, or is the spring been left off? IF the carburetor shaft is moving and you are dumping in more gas and the engine rpm will not pickup, then i would say your timing sprockets are off a tooth or two.

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06-13-2001 06:37:13

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 Re: Re: Model B, No throttle response in reply to steve, 06-06-2001 19:23:27  
I also have a B machine. The Front seal blew. And I had to replace it obviously. When putting the radiator back on, make all the connections for nuts, bolts, and hose loosely. Then after all is where you want them tighten down accordingly.
You may well want to lightly grease the nuts, bolts and whatever else to ease your work.

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