Forums 🚥 PiT STOP 🔧 Hyosung Technical Help My motorcycle loses power at high RPMs and full throttle – Hyosung GTR Reply To: My motorcycle loses power at high RPMs and full throttle – Hyosung GTR
May 12, 2024 at 8:02 PM
#13376
That is very rich!!
How about this ?
- Look at carb slide needles on diaphragm, and (click here)
Put your needles to “MIDDLE” setting (this is factory) - Go back to Factory 92.5 and 95 jets mains, to see if this improves mixture
- Get new plugs again as those ones will be fouled, even if cleaned up, they won’t spark as good anymore
Or check you have no blockage in the air system (check air filter , or “test” with a STOCK NEW air filter first to eliminate possible air issues / chocking up at high revs with not enough air flowing)
Pilot Jets = I hope they are size 20 and make sure mixture screws 2.5 FULL turns maximum from closed. Leave it there forever.
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