Ok then! here we go. I'll do my best to explain this and hopefully it makes sense.
I'm going to assume that the carb and Ignition system are in good working order and the quaddie is Jetted up correctly for your setup
I set my mixture screws out 3.5 turns. My car wouldnt start on any less, Start engine, warm her up, Next get out your timing gun, Yep thats right set your base timing this is important in order get the right mixture at Idle. Advance your timing giving the odd blip of the throttle until the engine response is sharp and crisp ( for me this was at 12* BTDC , Depending on ho