Forums 🚥 PIT STOP 🔧 Hyosung Technical Help [Bike Mod] 650/250/125 – AiS Block Off Removal (EGR Delete)

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    • #884
      ♠️ MARCEL
      Administrator
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      @mf448kxn6
      North UK
      GTR
      Points: 4,216

      HYOSUNG PDF MANUAL AIS REMOVAL DELETE EGR MOD MODS

      I did not write this , but give credits to the lad who made this book (below).
      (BTW, follow at your own risk!)


      Benefits, The Proofs, etc..:
      Aimed at 650cc bikes but also same method for smaller CC bikes.   

      So basically , deleting the AIS (EGR block) from the bike is immediately obvious by:

      • Popping Stops (Loud bangs on the exhaust pipes)
      • Much deeper groans on idle  (louder induction roar)
      • Bike is able to run better from 4-7k rpm (especially low CC bikes)]
      • For Stainless pipes , it’s advised to remove it anyway!
      • It’s 1st the thing race teams do, ditch parasitic parts.
      • Bike is overall louder (marginally than before)

       

      What is AIS (Incorrectly named EGR by the uneducated mechanics)

      • It makes the bike “fake” its emissions by burning cleaner air to pass Euro laws.

      Thats it!

      • It has NEVER proven to benefit bikes, actually it “steals” the energy from the bike to run it.
        It’s a like a “Remora” creature under a shark, as it migrates all over the seas 😉

       


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

    • #888
      Stokegt125r
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      @sherwood1994
      Stoke on trent
      GT125R
      Points: 61

      This works on gt125r 08?

    • #890
      ♠️ MARCEL
      Administrator
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      @mf448kxn6
      North UK
      GTR
      Points: 4,216

      This works on gt125r 08?

      Yes remove the device and block the pipes going to it.

      Only 2 things happen = The pops disappear and bike roars a little deeper & the engine/vacuum system has more energy (better throttle responses)

      The device is just for emissions – engine doesn’t need it to run lol.  If you see a GV250- 2002 it had none 😉

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

    • #4627
      Lee
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      @bettzy
      South Yorkshire
      Gt125r
      Points: 47

      Where is the ais on a 2006 gt125r??

    • #4637
      ♠️ MARCEL
      Administrator
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      @mf448kxn6
      North UK
      GTR
      Points: 4,216

      Where is the ais on a 2006 gt125r??

      It is at the rear of the bike next to the  FUEL PUMP.

       

      Look for a silver ball with 2 giant pipes.

      1 going to rear engine metal pipe = block it.

      1 going to UNDERSIDE of airbox = block it

      There is also 1 extra mini pipe (about size of 4mm hole) going to intake manifolds = block that.

       

      Now you can remove that fake emissions thing (egr)  bike wont miss it!

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

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