I did a little tuning with no good results. I dont think its the carb because both the old and the new carb have the exact same symptoms and the old carb was running fine.
I have a Ryobi 770reb weed whacker. I completed a rebuild and I've replaced the carburetor, fuel lines, fuel filter, spark plug and air filter. The weed whacker will start and run fine with half choke but the moment I cut off the choke the motor cuts off. I've tried both the old carb and the new...