Quote:
Originally Posted by culprit
1. Is the petcock supposed to allow fuel to freely flow when set to on? From what I've read it's not supposed to. The gas cap was off the bike when I bought it, and I put it on but I think the seal is bad as it's a fairly loose fit and definitely not airtight. Not sure if that would cause running issues or not?
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The petcock should require vacuum to open and flow fuel when in the "on" position. Its operation is described in the Wiki:
https://faq.ninja250.org/wiki/Ninja250_Howto
A non-sealing tank cap will not cause running problems.