Well now that is a new one on me , But lets start off with checking fuel flow first from the tank to the carb and see if you have a unrestricted flow .Next i would check the coil and the ing. system as what you are sayen sounds like something is shuting off the juice to the points and with the backfire it is coming back on with a load of gas in the exhaust . Now yo did not say if this is under full load or not . ONe other thing to keep in mind here on the gassers that you must run HIGHTEST of 93 octane or better and that timing on them is most important . Now here on the timing of a 706 you have to know FOR SURE what engine you have as a C263 does not time the same as a C291 and if it has say a 301 out of a combine then that does not time up the same. So before we get into a lot check the the things i told you to check then we will go from there .
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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