Join Date: Jun 2000
Location: CT/ Long Island Sound
Thanked 45 Times in 44 Posts
Rep Power: 18
Sounds like your vent tube may not lead up high enough before going down & out. They''re usually led up to the top of a hanging locker, near the cabin top, before turning down to go overboard. If the vent us ending up underwater, it could also be siphoning fuel out the same way an exhaust loop that doesn''t go up high enough can siphon seawater into your engine (and sink you) when you''re in reverse or a high following sea.