Miki

Miki replied to the topic lack of power, surging, cHE error in the forum 🔧 Hyosung Technical Help 7 months ago

Injectors were actually cleaned by the only mechanic in my city who was brave enough to touch Hyosung (and failed) so at least that’s off the list.

I will get myself a contact cleaner, and look for a new stator tho finding a replacement part here is not easy.

Thank you for advices. I will update the post when I make any progress.

God bless…[Read more]

Miki replied to the topic lack of power, surging, cHE error in the forum 🔧 Hyosung Technical Help 7 months ago

Thank you so much for your help.

I took off the battery and ECU for as whole day, connected again, the FI and cHE still stand. Here’s the ECU.

I checked the following:

-IAT Intake air temp
-IAP Intake Air pressure
-WT Water temp
-TP Throtle posistion – it was slightly off but not much. I adjusted it nevertheless.

Can’t check the termostat…[Read more]

Miki started the topic lack of power, surging, cHE error in the forum 🔧 Hyosung Technical Help 7 months ago

Hi folks, I’m oput of ideas how to bite the problem and need help from people smarter than me.
It’s Hyosung GT650 2012 (EFI i believe. 2 sloted ECU).

I bought it with disabled rpm meter and Fi check lamp lighting, but it worked fine. A bit Jerky, but fine.
Now unfortunately it lacks power, especially at starting from a stop, and at higher RPM.…[Read more]

@mikolajiii