Cdi controller??? Dec 25, 2019 12:49:56 GMT -5 via mobile Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by ApeShit70 on Dec 25, 2019 12:49:56 GMT -5 On my cpi-gtr there is a cdi box, then there is what looks like a cdi box for a 4 wheeler. Only has 4 pins. But in the manual it says it's a cdi controller?? What does that mean? What does it do?