Posted by rtr on February 07, 2014 at 14:23:19 from (216.226.179.180):
One of our old Super A tractors starts and runs but not the best.
Stats....original 6 volt with cutout (hi-low charge bypassed). Runs with no smoke, compression is 125 on all cyls. New plugs and wires, rebuilt carb. and adjusted gov. to carb. linkage when installed, and new battery.
It cranks but turns over a few times before it starts, I like them to start right off. Once running it misses badly. I have replaced the carburetor with a freshly professional rebuilt unit (that I tried on another tractor before installing). Slightly helped the choke down when increased throttle, but still missfiring badly and now has a surge at idle or half throttle.
What can it be? Distributor worn or maybe it is 1 or 2 teeth off with the governor and out of time??
Will be working on it tomorrow to try and see what the problem is. Will take a video to show the issues if needed. Just need some input on what to look at first and where.
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