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Hi there to the 5th gen community. I am hoping someone might offer some advice. My bike's fuel tank seems to overflow if i fill it past 14 liters. I first noticed it soon after i bought the bike about two months ago. I filled the tank and it seemed to randomly dump fuel onto the tarmac until the tank was below half, on the gauge. I had the tank off yesterday and pulled the pump mech and the gauge mech and found nothing, except that the tank was re-coated on the inside at some point and the gauge mech seems badly rusted. By riding without the fairing for a bit, i have realized that the fuel drains via the vent pipe, which is the smaller diameter pipe of the two dedicated to venting or breathing. There is also an 8mm tube which is the overflow from the tank filler. It doesn't leak from there, but from the vent. I cannot figure out why or how come it would do that. Does the tank build up pressure ? How on earth would one remedy this ? Any Ideas ? Also the motor seems to be missing a bit after removing the tank. Is there a bleeding operation to the fuel delivery that i missed ?