Hey all i have a 82 honda atc 200 no matter what i do to this carb i cant make it stop running rich i cleanned carb in boiling water air blasted it ran carb cleaner through every passage no blockage anywe,re bought a rebuild kit replaced slide, slide needle, main jet which is a #98, low speed jet, air screw with washer and o ring, float and float needle. air screw set at 2 and 1 quarter turns out. slide needle factory at # 3 position i also put slide clip at 2nd and first position, you know lowering the needle to the jet. wthin a minute run time plug is black and when i rev it up it pushes out black smoke just a little engine has been bored to .5 new piston and rings, compression 170psi. timing dead on and pulse generator timing on the mark any body have any ideas? thanks for your time
Lou