"P.s. - when I stop the bike, then engine stops... do I need to adjust the carb? I get it to run, but when i pull in the clutch in and I apply the brakes at a stop, the engine shuts down and I have to repedal to starts again? Is this right?"
I think the engine is to remain running when you stop and pull the clutch in (not sure really, testing my first build soon) and the carb screw is the idle screw.
Nice looking build by the way!