Exhaust mixing elbow should be replaced, mine did the same in August and the EME was the culprit.. In a message dated 9/10/2012 9:32:38 A.M. Eastern Daylight Time, jarid...@msn.com writes:
Engine question. Have a Yanmar 3GMF20. Noticed this weekend the exhaust started sounding "like its hissing or more air with the water". Last few weeks it sounded a little different, but thought that since my slip changed at the yacht club I back up close to a bulk head and possibly just more sound reflected back? But after a 2 1/2 hour motor to a race this weekend it sounded worse. Checked the strainer, clear. Jumped in the water, checked for blockage at the thru hull, clear. No overheating or temp alarm. Ran the boat back to my club after the race. Didn't need much engine it was a down wind run in 15 +, launched the kite, smiled and laughed the whole way home. (The dark and stormies didn't hurt either, till sunday am) I'll pull the impeller today and throw in a new one, its the 2nd season on the present one. Is this the sound when the exhaust elbow is carbon'd up ? Oh and btw have to brag. Won the race, blowing steady 25 with some shots peaked to 32. Wild fun ride, reefed main up wind, heavy air 130%, 7 people on the rail. Down wind .... the hull only lets you go so fast. Jim Galaxy 34' Brielle, NJ = _______________________________________________ This List is provided by the C&C Photo Album http://www.cncphotoalbum.com CnC-List@cnc-list.com
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