Are you sure?

In this universer, yes. in the voodoo land of crackerboxes who knows what
happened yesterday.

Think about it. Take you time.

Cheers

JAXAshby wrote:
through the exhaust thru-hull. This last only happens when the
engine is not running and the boat is seriously rocking for some time.
This
last condition in no way is mitigated by any anti-siphon valve placed
anywhere
in the system.