The black smoke may indicate excessive carbon buildup. If you don't have three hours to run it is, next time you bring her in while the engine is still running out it in neutral and run it up to 90% of max RPM for about 5 minutes.
Tom Buscaglia S/V Alera 1990 C&C 37+/40 Vashon WA P 206.463.9200 C 305.409.3660 > > 1. Re: yanmar diesel (svpegasu...@gmail.com) > 2. Re: yanmar diesel (Josh Muckley) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 06 Oct 2016 17:41:59 -0700 (PDT) > From: svpegasu...@gmail.com <svpegasu...@gmail.com> > To: cnc-list@cnc-list.com > Subject: Re: Stus-List yanmar diesel > Message-ID: <000f4242.4b5c9537776ba...@gmail.com> > Content-Type: text/plain; charset="utf- > I knew that. Don't know what I was thinking. Must of had a brain fart.?I > do have to agree with the dirty injector route. Also these engines need to > get fully warmed up and run under load often. They are redesigned tractor > engines originally made to operate at 70 to 75% power for hours on end.?A > friend would start his 1cyl. Yanmar cruise out of the marina. Set sails shut > it down. Then when finished sailing start itback up back to his slip. Ended > up replacing his engine because of this. FWIW.? > Doug MountjoysvPegasusLF38 #4just west of Ballard, WA
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