I had the same problem with my 400. Seemed like it lost spark. Got off the tractor the one time & didn't notice anything funny 'till I got to the carb. There was a bit of frost above the carb on the intake. First thing I did was remove the inline fuel filter installed by the prevous owner. Didn't do it for about 2 weeks. Then it started frosting up again. Quite a bit this time. I did some research & found out there's a heater block for the carb on the 400's. Attached it & have had no problems. FWIW, I did also perform a 12v conversion. I don't know for sure which solution solved the problem, though. It has been running for over a month, flawlessly. Just my $.02 - Mike
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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