Stop in for a cup of coffee

If it has sat a long time I would replace petcock. Get best one you can as you will be shutting it off and on everytime you run the bike.
It looks new, but I will test it good before tank goes back on. Meanwhile, I was thinking I could save some of this stuff from the Super E, but the main gasket and some of the O rings look shitty. Ordering some stuff from JP Cycles today I guess...
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