Reply To: Miss and backfire under 5k only after engine warms up – 2009 GT650R Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Miss and backfire under 5k only after engine warms up – 2009 GT650R Reply To: Miss and backfire under 5k only after engine warms up – 2009 GT650R Feb 26, 2025 at 8:18 AM #18983 Mark de RooyMember Topics: 5Replies: 64 The starting I know is a separate issue. I tested my coils , lead and caps Front lead plus cap : 22.50. Cap is 7.52. Rear: 18.55. Cap is 4.88. Will this cause the rough idle and misfire down low?
