Reply To: GT650 Comet EFI 2010; Stalling issue at idle after revving Forums 🚥 PiT STOP 🔧 Hyosung Technical Help GT650 Comet EFI 2010; Stalling issue at idle after revving Reply To: GT650 Comet EFI 2010; Stalling issue at idle after revving Apr 1, 2022 at 2:17 PM #7250 TomMember Topics: 9Replies: 49@kernow CornwallGV125 I think Simon is on the money here. That top gasket on the exhaust, if that is leaking then you will have idle issues and top speed issues.
GV125