It just seems so arbitrary on whether or not it idles smooth or rough every time I go to start it, and whether it will run for 20 seconds or 5 minutes. So far I've got a list of culprits of the float needle valve and where it goes into for anything that can make it stick or not seal shut (and probably should double check my float for leaks?), weak spark (check condenser), and I am tempted to check the air flow to the carb since it seems to be running fuel rich as apply choke makes it worse not better.
In fact, I ran it again with the carb set at 1 and 1/2 turns out on both the main and idle jets, and just for fun while I had it idled all the way down (and running), I turned the idle jet in... Before long, I had the idle jet turned all the way in, and _nothing_ different happened. How does the idle jet work, exactly?
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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