Posted by Formerly PaMIke on March 09, 2010 at 17:37:07 from (24.152.202.123):
I have been posting on here about the tractor not running right and a lot of you have given me info. The tractor wouldnt run well after coming back from paint and having a 12 volt conversion. I found an intake manifold leak. Fixed that and it ran better. Found a bushing out in the governor. Fixed that and it ran even better. Still is fussy when you start it. Gotta mess with the choke in and out till there is some heat in the engine. Once there is heat in the engine it idles well and runs well but on sudden load it will sometimes stumble. I pulled out the needle on the main jet and sprayed carb cleaner back though. That seamed to help some. I set the needle back to 5 turns out. I pulled the idle needle. When running your finger down the taper of the needle I could feel a ridge where the angle changed. Is this correct? Pulled 2 spark plugs. Electrode is very light brown. I would say too lean. I would have thought if the carb needed rebuilt it would be running rich. Does a 12 volt conversion cause an engine to run lean since there is better spark for the combusion??
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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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