custom tank pet cock petcock

  1. riotten22

    Custom tank with aftermarket petcock >?

    Hey guys I have a Benjies fiberglass tank that came with new petcocks but these new petcocks do not have a port for the vacuum hose that attaches to the carbs like the stock tank / petcock had. Is this goinig to be a problem with my stock XS400 carbs? Does it need this vacuum line to draw fuel...
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