Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Midrange lack of power GT125R Reply To: Midrange lack of power GT125R
Hi Marcel To be honest the threads on the plug being wet may be due to the fact the sparkplug wasn’t tight when I swapped them out earlier today. I’ll post pics.of the new plugs once my clamps and carb screws arrive as I’ll have to strip her back down then anyway.
That’s fine fella, keep us posted.
Least she is responding better in meantime , also check your fuel lines aren’t kinked or anything as it is essential for the initial pickup. High revs tend to force more fuel out of narrow lines that are kinked , hence it hasn’t broken down yet but i am only “assuming” since you said it misses at certain revs.
Speaking of “flat spot” , Go to “Tutorials” section of this forum and click “Slide Mod” , it will thank you for it too.
BUT “make sure” it gets a compression test done (search “compression test”) on this forum search box , for old topics as i mentioned how to do it on someone else’s thread.
Also , after doing the slide mod , check the plugs again, clean them hard (Acetone is fine, or carb cleaner or brake cleaner and use a gentle spark plug brush from halfords) ==> Ride again and then give us the final plug pics so we can advise where you are and tell us also if the slide mod made it worse or better, the engine will tell you its mood as you ride.
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