642b runs but no throttle responce

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cwskelton

Member
Joined
Apr 20, 2009
Messages
10
I had a tread about the machine not running and after checking everything twice and three time i came to the conclusion that i had a bad intake manifold gasket. I put the new one in tonight and put it all back together. I started it up and walla it ran, little rough at first but it was running with no choke so it was better than before. After it ran for about 2 minutes or so the motor just took off full bore so i turned the key off waited a minute and started it back up did the same thing. I checked the Governor for oil and it was dry. I filled it up and now it just idles??? I am going to check ignition timing tomorrow and reset the float to only allow about 1/2 bowl of fuel.
 

Kelly

Well-known member
Joined
Jan 8, 2009
Messages
46
Check for slop in all of the linkages on the governor. It also kind of sounds like the weights are hanging up inside the governor. Your 642B should have a Hoof governor on it, the spring and linkages on the outside are all still available but the weights on the inside are not.
 
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