That is why there are adjustment screws! With the engine warm & running wide open, turn the high speed screw in until the engine slows (lean) then turn out until it begins to "blubber" & smoke (rich). Reset the screw 1/2 way in between and then turn out about 1/2 turn for power. Idle the engine & repeat for the idle AIR screw; turn in for rich and out for lean. Set 1/2 way in between. Adjust idle RPM's & repeat the sequence for quality control.
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Today's Featured Article - Field Modifications (Sins of the Farmer) - by Staff. Picture a new Chevrolet driving down the street without it's grill, right fender and trunk lid. Imagine a crude hole made in the hood to accommodate a new taller air cleaner, the fender wells cut away to make way for larger tires, and half of a sliding glass door used to replace the windshield. Top that off with an old set of '36 Ford headlight shells bolted to the hood. Pretty unlikely for a car... but for a tractor, this is pretty normal. It seems that more often than not they a
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