Posted by slim on September 21, 2008 at 20:43:34 from (75.66.138.37):
I"m reworking a JD 175 with a 14 hp Kawasaki engine that sat up for 2 years. I"ve gotten most problems ironed out except one. The engine "lopes" or "surges" very badly at idle to half speed. Anything above half all the way up to full speed it clears out and runs smothly.
I think it"s the carb due to sitting but would like to know if anyone thinks there might be something else to look for. One clue is there"s an adjustment screw on the top of the carb that does absolutely nothing. Screw it all the way in nothing. Screw it all the way out nothing. So I think the passage under the screw is probably blocked.
BYTW, there was no gas in it when I picked it up. It had all evaporated. I"ve been running clean gas with a lot of sea foam added to it to see if it helps any.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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