98 TXT runs rough

[ssthomaston]

I have a 98 txt and it runs rough, smokes (black). Previous owner said it quit sparking and they parked it. It sat for over a year prior to me getting it. I have learned alot on this forum, however this problem is kicking my butt. I replaced pulsar coil, swapped ignitor with HEI conversion, and achieved spark. Carb was gummed up. Swapped with new carb upgrade kit from ez go dealer.(pretty much same carb just had extra spacer that had to be installed) Have adjusted valves, compression on both cylinders @ 170 psi, and has new plugs, still has same plug wires and OEM coil. Does the coil have to be replaced with hei upgrade, I have read mixed opinions on the forums? (OEM) Any help/suggestions would be greatly appreciated. I called local dealer to ask them questions about it and response was they basically installed "test" parts till they got it figured out. Doesn't give me alot of confidence in their abilities.