hi- bird atv horizontal engine
 

i was givin a hi-bird atv with a horizontal engine that someone wired, so i cut all the wires out except for the ones coming out of the engine, yellow, white, green, and yellow w/ blue stripe, i see on line buying a cdi box, but is this quad take a ac or dc cdi box it does have a 12 volt battery and it is electric start. what wires go to what