Originally Posted by Myfuture_yourdebt
What kind of Tygon tubing did you use? "TygonŽ F-4040-A Fuel & Oil Tubing"? It's suppose to be resistant to swelling and resistant to gasoline/alcohol mixes. Do you know what amount of ethanol was in your fuel? Did you use anything to secure the brass inlet to the tubing end or did you simply leave it as slip-fit? It sounds like you connected your tubes to the main fuel intake since you said you have a hard time starting after draining the carb assuming you're starting with the petcock in the "on" position not "reserve".
Yes, it was F-4040-A. The ethanol is ~10%. I just used slip fit, but the slip fit was very tight before the Tygon expanded.
The petcock in my Acerbis tank has 1/8" FPT that the nylon flter screws into. I took the filter out (there is another in the fuel line) and put a short barb fitting in its place. I no longer have a "reserve", but don't need one since I can see the fuel level through the tank.