Im taking apart this old motorcycle that my dad gave me a long time ago to clean it out and maybe even polish it, but main goal is to get it running smoothly. So far ive been working with the carburetor. Im having one problem getting the wire to disconnet from the fuel line (i think) to the carb. I have a picture below its number 8, 9, 10, 11 and 13. That whole area i cant get disconnected from each other. Any suggestions? Thanks.