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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

Aug 17, 2022 at 7:56 AM #8368
joe farrugia
Member
  • Topics: 1
  • Replies: 10
@xuraax
Malta
GT250 EFI

Hi,

Just joined and have been reading through this topic since I seem to be facing a similar issue, for the second time.

I own a GT250 EFI 2013 and a few years ago I started facing stalling and misfiring issues roughly after about 15 minutes that the bike is on. I spent may hours trying to diagnose the problem including the replacement of ht cables and plugs, ECU change, and injector cleaning.

In the end the problem were the ignition coils. I started with replacing one which reduced the missing significantly but since I was still getting some misfiring I replaced the second one as  well. There were no external signs that any of these were heating up and getting intermittent.

For the past 2 years I have had no further issues but lately it seems the problem is starting to rear its head again though not as significantly. I am assuming it is the coils again but I am somewhat disappointed if the coils fail again after such a short period. I don’t make heavy use of this bike since I prefer my scooter for city riding.