What type of ventilation system is required on inboard gasoline engines built after 1980?

I would like to go on a cruise vacation to Alaska. Where does the cruise ship start out? What makes boats float on water? What is the lightest jet ski made? What is the spark plug gap for a Kawasaki ZXI Jet Ski? What conditions would an operator be required to replace a PFD? Who owns the yacht called Stellar? How often must you renew your Kentucky boater education card? How do you make oxygen in submarines? What was the boat calledof anne bonny and Mary Read? Its a good idea for all boaters to use a pre departure checklist why? What horn means i am altering my course to port? What year is a Johnson outboard serial number j0424954? What is jibing? In fuel oil mixture is 50 1 how much oil should i use? How long does it take to sail from California to manila? What is the give-way vessel's? What did Tom realize when he and the other boys saw the ferry boat? What does a red a green light indicate when seen together at night on a boat? You are operating a PWC. You are heading straight toward a dock. You turn the engine off and then turn the steering control hard right. Which way will the PWC go? Sb-2 whcih one of the following is designated as a mooring buoy?