need help with a Klt110
 

i just recently got a klt 110, the guy said it didn't run but i got it cheap, get home and start working on it to find it has no cdi, i'm trying to put a newer cdi box on like what you would find on a pit bike. does anyone possibly have wiring diagram or could someone tell me which wire is which that comes out of the engine, a red, a yellow, a white and a brown wires come out of the engine any idea is which? any information is helpful.
Thank you in advance