MTX Regulator Rectifier For KTM 690 Duke 990 Superduke 990 SM RC8 RC8 R 690 SMC

990 Superduke 05-15. RC8 R 09-10. There are generally two ways for the regulator rectifier to fail. The first deals with diode burnout, resulting in battery drain. Depending on the location of the regulator rectifier, the part can easily overheat.