Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Carburetor / Carb Diagram for GT650/GV650 Carby

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    • #13835
      Mateusz
      Member
      • Topics: 1
      • Replies: 2
      @vaysu
      Poland
      Gt650R

      good morning everyone, I’m new to the forum. I assembled a 650 engine and I need to find out how to connect all the vacuum pressures to where they go. Fuel pumps, etc. I have a model with a carburetor, do you have a guide on the group or can anyone help me?

    • #13837
      ♠️ MARCEL
      Admin
      • Topics: 45
      • Replies: 1,892
      @mf448kxn6
      North UK
      GTR

      hey , i wish i did , i will next time

      do you have pics of your set up and i will see if you are doing ok

      // Meditation doesn't mean you have to sit still....

    • #13840
      Mateusz
      Member
      • Topics: 1
      • Replies: 2
      @vaysu
      Poland
      Gt650R

      hey , i wish i did , i will next time do you have pics of your set up and i will see if you are doing ok

      At monday i will send a pics when i be at garage

    • #13844
      Cobra2
      Member
      • Topics: 4
      • Replies: 94
      @cobra2
      Norway
      GT250R efi

      Some manuals here:

      https://mega.nz/folder/jBFiHKiA#0R2fLAFs4QxJgnhw2JRw1g

       

       

      Old and grumpy,(?), have fairly wide engine & tuning experience, "restoring/resto-mod" on cars & mc, worked as electronic tech. (retired).

      GT125R - sold. New (used): GT250R-efi

    • #13846
      Mateusz
      Member
      • Topics: 1
      • Replies: 2
      @vaysu
      Poland
      Gt650R
    • #13862
      ♠️ MARCEL
      Admin
      • Topics: 45
      • Replies: 1,892
      @mf448kxn6
      North UK
      GTR

      Hello,
      I downloaded your images and posted them here for others to see ,  (future reference) , i changed title , so that people find this topic easier.

       

       

      Moving on…..Can you please try these diagrams below and see if you have sucess and tell us which picture below was better ?


      ================================================================================================

       

      // Meditation doesn't mean you have to sit still....

    • #13864
      ♠️ MARCEL
      Admin
      • Topics: 45
      • Replies: 1,892
      @mf448kxn6
      North UK
      GTR

      I found an old image of the carb showing the “PORT” where the person’s finger is  , i believe (my brain is tired at 8pm as i write this) i think it goes to cannister or it simply overflow to the road (incase bike falls or have accident,  the carb will dump fuel out of those pipes you see in RED COLOUR below)

       

       

       

       

      // Meditation doesn't mean you have to sit still....

    • #13865
      ♠️ MARCEL
      Admin
      • Topics: 45
      • Replies: 1,892
      @mf448kxn6
      North UK
      GTR

      Here is one more picture found for vacuum and fuel hose diagram , i hope this helps. It is not for a Hyosung but another bike that uses similar Mikuni Carbs and our same Mikuni  DF52 series fuel pump.   Other parts can be ignored if they do not exist on your bike./

      EG.  USA Models = They have a strange “Charcoal Canister”  (some kind of emissions cleaner)   , and our UK Models do not have it but we have simple Mikuni AIS Pumps  (that draw air from airbox to the exhaust for EU emissions control etc) , so different continents have different ways of emissions control, so not everything you see in these pictures will apply to your model.

      These bikes do not care about these emissions control devices.    (Less is better,  means less stupid pipes everywhere lol) however,  if there is law in your country to have it present, then don’t remove it.

      // Meditation doesn't mean you have to sit still....

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