Reply To: Miss and backfire under 5k only after engine warms up – 2009 GT650R Feb 27, 2025 at 9:37 PM #18999 Mark de Rooy👤 Member🖊 Topic Author Topics: 5Replies: 64 Sorry I just got in touch with the last owner. The stator was replaced at the same time as rectifier . It is electrosport brand from America.