no spark

hi my name is lee every one calls me skyking because i love fly

no spark , i'm at a loss i'll check all wiring, replace the stator and pickup coil, side stand safety switch, try 5 new cdi boxs, replace the wiring harness,new key switch still no spark. now i can take honda box and junp wire it in and that gets spark but not the rigth timming to keep it running, its hard for me to belive that i have 5 new bad cdi boxes. this bike was given to me from a 80 year old that could not ride any more, not ran in a few years. need some on this one