Forums 🚥 PiT STOP 🔧 Hyosung Technical Help running rich gt650r 2008? Reply To: running rich gt650r 2008?
Sep 23, 2025 at 6:34 AM
#20862
There’s no adjustment on the efi it’s controlled by the ECU, it could be a dirty injector or air filter there is also a chance the O2 sensor is playing up but that only comes into play at certain times, try putting some injector cleaner in.