The jets from the original carbs are 105 and 38. The borrowed carb are 98 and 38.
The floats are set, measured and verified wet test.
The CA. system is unplugged. The tank is temporarily replaced with a can and tube flowing to the carbs, allows seeing and working easier.
The plugs were replaced. They were actually the wrong ones according to
https://faq.ninja250.org/wiki/Changi...rands_to_avoid They were the NGK cr7hsa, they are now the NGK cr8hsa. Like I said it was running rich and the plugs confirm this.
Everything looks good inside there. Unless there is some secret to the choke system I am currently stuck.