Reply To: Sparking Issues / Rough Idle on GV125-S Aquila [SOLVED] Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Sparking Issues / Rough Idle on GV125-S Aquila [SOLVED] Reply To: Sparking Issues / Rough Idle on GV125-S Aquila [SOLVED] Apr 1, 2026 at 1:49 AM #22190 VabMember Topics: 8Replies: 39⚡ Bike Model: GV125-S EFi 2019 Fitting new coils and leads fixed this. There was oxidisation behind the split sleeves. No loss of power now and the throttle response is smoother and immediate, unlike OEM parts. Thanks for the help @M77
