Join Date: Dec 2006
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My boat has a 27hp yanmar hmf and yesterday when I went out I noticed there was steam in the exhaust after the engine ran for about 5 minutes. The engine started and ran fine. The alarm goes off and there is normal water flow coming out of the exhaust at first. I only ran it long enough to get back on the mooring. The engine looked fine visually and the oil was fine. Any ideas?
Last edited by Sixbrothers; 07-26-2009 at 11:19 AM.