HELP! Petcock vacuum Issue? It doesn’t run at all when the hose is attached correctly. In the video, I leave the hose unplugged (nothing good happens) and then try again with my finger covering the hole, which gives it some life. Any idea what this means? Thank you all.

https://v.redd.it/njt1c5n2gvs21 via /r/CafeRacers https://www.reddit.com/r/CafeRacers/comments/bebomd/help_petcock_vacuum_issue_it_doesnt_run_at_all/?utm_source=ifttt