Just got this '20 running after sitting for 10 years. Took the carb off and cleaned it out twice, with no visible problems. Tractor will start right up but will run at about 3/4 rpm's and can not get it to throttle down or up. Governor issue? Not sure, or should get a rebuild kit for carb and start there again?
- Thread starter C Fitz
- Start date
If you go back and read what I said I worded it such that asked a question as to if he could grab the linkage. I know tractors like the M H 300, 350, 400, 450 and a number of other you can not do so but since I have not been around the F series much I was not sure so that is why I sort of worded it as a question when I wrote CAN YOU GRAB
Billyboyr66
Member
Check the fuel primers on top of the valve cover and make sure they are both closed. If not it would be a wide open vacuum leak and caus it to run just like that.
banjoman09
Well-known Member
oh no...there you go again! lol
banjoman09
Well-known Member
No! Did you see my post above??? You want to come out? 
Ken Christopherson
Well-known Member
Actually, if you take the cap off the front end of the carb to governor tube, it exposes the ends of the linkages and you can manipulate them with your fingers.... I just did this on my F20 to troubleshoot the issue I am having of 'jerky' throttle response. Going to disassemble all of mine and clean out all of the tubes, and ensure they are all sludge-free. My symptoms are high idle, then when advancing throttle, it stays at an idle until about 2/3 throttle and takes off suddenly, then full throttle works fine. When returning to an idle, it won't let the linkage fall all the way back down. Could be a weak spring in the governor too?
Billyboyr66
Member
Maybe a crack in the intake manifold or leaking manifold gasket.
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