Originally Posted by Comodave
As far as the exhaust smell, the configuration of the boat will cause the station wagon effect and suck the exhaust up into the cockpit, this is unwanted but normal due to the sedan style. You may reduce the smell by opening a forward facing hatch to break the suction. You may have to experiment a bit with different hatches or windows open. Diesels typically donít produce much CO like a gasser would but the smell can be annoying.
That's a good idea. I could open the centre window of the windshield, or possibly crack the forward hatch a tad. Good advice.