Don't dispair too much, many of us have been right where you've been. At times the frustration level was enough to make you throw things.
However after years (in my case) of remodeling, rebuilding (even to the point of designing and making parts from bar stock steel) and upgrading. you eventually start to know your way around. just consider this a dry run for the next time, as scooting to too much fun to give up.
You might want to check here for manuals.
http://www.amazon.com/Chinese-Taiwan...+repair+manual
http://www.amazon.com/Scooters-Autom...+repair+manual