The screw on the side of carb should be the low speed adjustment, the screw in the bottom is high speed adjustment, The float bowl is held on by the nut that the screw goes through. Try turning bottom screw CC a little at a time and see what happens. If nothing try going the other way. A properly adjusted engine should run smoothly whether under a load or not. If you received a parts list or instruction booklet with it, that should help a little. Good luck.
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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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