CDI Box fits For XY500 ATV UTV CDI 500CC XINGYUE 500 Ecu Rev Box 6-Pin. The only way to check your CDI box is to rule everything else out before replacing the CDI box and swap it out with the good unit from the same year/make/model. Tip: We always suggest taking photos of your OEM parts before uninstalling them so that you may install your parts in the same way.
