One of the internal hoses is leaking as Mitchy says below.The only downside I can think of is if my fuel keeps dripping out of that line it could run into the engine and potentially hydrolock the motor.
But why is dripping so much from the vapor lines????
The tank isn't overfilled.
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Mitch is correct. Look at the image I posted and visualize a split or leaking piece of tubing in the tank.Normally when you get fuel dripping from the external vent hose one of the internal vent hoses in the tank is split or damaged
which causes the fuel to syphon from the tank and drip out the external vent hose.
According to the image of the fuel system in the TV manual, the hoses are not molded into the tank. They are 8mm (or 5/16") nitrile single wall tubing designed for flexibility so that mrestoring the tank to its position isn't difficult.Fuel dripping from either hose...cap area drain or evap system vent.... is from a leaking internal hose. I believe your bike has the hoses molded into the tank. There have been other reports of this failure...
Now, please put you bike in your signature line! If you need the correct tubing, I can send you some probably cheaper than you can get it at your local auto parts store. I would recommend against using a reinforced FI hose for that application as it will degrade. The hoses in the system are designed for specific locations and fuel exposure. Heat and immersion are design considerations.