Now technically it's not overheating because the flow tank is bubbling or overflowing and I'm not losing any coolant?
Anyone looked into head gasket yet ?
Just curious what exactly what would the head gasket cause anyways? Leaking of the fluids? Because I'm not leaking anything?
It depends on were it is leaking and how bad the leak is. Sometimes it will show as an over heating problem from the combustion gases being forced into the cooling system, sometimes oil and water will inter mix, sometimes the motor will miss on start up from coolant leaking in to the combustion chamber, sometimes white smoke will come out the tail pipe.
Ya might check and see that the coolant is circulating when the bike is warmed up and the thermostat is open, warm it up with the radiator cap off, some coolant will come out as the motor warms, but there should be no bubbles if it has been burped correctly, steady small bubbles could indicate a head gasket.
When the thermostat opens you should be able to see the coolant moving in the radiator. If the coolant is not circulating ya might check your water pump impeller for signs of corrosion, I see cars every once in a while that cavitation eats some of the water pump impeller off and that will cause overheating around town and be ok on the highway.
Also check your radiator for dirt and bugs in the fins.