Sounds like a partially plugged mixing elbow, or maybe something blocking
thr raw water someplace. Could also be a bad impeller.
Doug MountjoysvPegasusLF38 #4just west of Ballard, WA.
------ Original message------From: Syerdave--- via CnC-List Date: Sat, Sep 3,
2016 17:37To: C&c Stus List;Cc: [email protected];Subject:Stus-List Loud
Yanmar 2gm - like open exhaust?
This just started happening this weekend. When first started and idling the
exhaust is noisy - like an open exhaust, maybe no water. Run it for a bit at
higher rpm, and suddenly it quiets down and sounds normal. Next cold start,
same thing. Did a quick check of the raw water strainer underway, and there
was some stuff in there, but water was being sucked through. Is the mixing
elbow clogging? Haven't had that off yet... Thanks
all!Dave._______________________________________________This list is supported
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