All the parts you have will work fine except the Sym CDI. That CDI is for a QMB 139, and will not work on the agility UNLESS you have one of the agility's that came w/ a QMB engine.
There is a Massive thread here that has everything you would ever want to know about getting the most out of you Agility. Try the search, and see if you can find it. I think it is something like Complete guide to de-restricting Agil... Maybe someone else remembers where the thread is...
Welcome to the forum!