just ngot my tw yesterday, and am super stoked to finally have one!! been wanting one for along while. my problem is is,,,havent got it started or anything yet because i wanted to empty out old fuel and put new in. well i have done that. when i turn the fuel cut-off (petcock?) to the on position i get a steady stream of fuel coming out of the bottom of the carb. it is not comig out from the drain where the screw is in the side of the nipple. i have no idea if its a return or what...doest have a line connected to it or anything. havent been able to find any pics of this area on a bike so i can see if it should have a line going somewhere. any help would be greatly appreciated!