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Thanks for the reply. I have it all sorted out. I now know why I was having probs. I noticed the new plug I put was getting sooted up real quick. Silly old me realized the choke position and its the right way to run the bike with the lever down and not up. A win for the good guys.Thanks Ian.

Hi I have a thumpster, new coil, cdi, plug, throttle assembly and cable, new 10/40 oil. I am having trouble tuning carb. It has 2 adjustment screws. 1 is a solid needle which seats into a spring(internal) and 2nd Just above is a screw with a spring(external and visible). I believe 1 is for...