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Korea did not reveal the turns to discourage owners tampering with them , and due to the fact 125cc and 250cc , GV and GT, have slightly different turns from each other based on what model the bike is and the jettings used.
So your profile says GT125R (a carb with a jet pump attached to the rear float bowl), use around 2 and 1 quarter to 3 full turns max. Rear being slightly richer as it’s the hottest cylinder.
1/8 of a turn does make a difference, so i would encourage a carb ultrasonic cleaner and dead-on adjusted clearances & lastly a religously clean intake system that’s also leak-free including how far the airbox swallows the carb, and intake manifold orings changed.
You will find that if any of the above ^ is not done, the mixture messing will be a nightmare to get it spot on.
Sometimes tools to anaylize the heat of the exhaust pipes also helps , even as much as reading the air/fuel ratio that’s coming out of the tail pipe. Clean & new spark plugs will be a good hint after a short run.
Show us the plugs when done. (though , it can be expected to go through 1 or 2 plugs , as per typical “plug chopping” process)
I hope this reply helped.
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