I think the tank cleaning and fresh fuel should be done regardless. I did that, it helped, the old fuel was the color of weak coffee, the new was nearly clear.
On the other hand, a clogged exhaust elbow (or any other restriction in the exhaust) will result in a loss of power under load and a lot more black smoke. Since you said it runs clean when it finally does start I don't think that's your problem. On Thu, Oct 6, 2016 at 5:10 AM, Frank via CnC-List <[email protected]> wrote: > Michael , > Before you start tearing things apart, check to see that your fuel feed > line from the tank to the fuel pump is not obstructed. There is usually a > small screen on the end of the line that terminates in the tank that clogs > up and can restrict fuel flow from the tank to the pump. This is a common > problem usually solved by blowing air through the line from the pump end > back into the tank. I had a similar problem and fortunately someone on the > list suggested this procedure to me. It worked. > > Good luck > > Frank > S/V Cool Change > C&C 38LF, S/N: 001 > Rose City Yacht Club > Portland, Oregon > > > *From:* Michael Jones via CnC-List > *Sent:* Wednesday, October 5, 2016 6:18 PM > *To:* [email protected] > *Cc:* Michael Jones ; Tristan Jones > *Subject:* Stus-List yanmar diesel > > Hello experts, > > I wonder if you can help me with any suggestions. I have a C&C34 with a > 3GM30 F. This motor runs well and smoothly, water circulates, no smoke. > Recently it has been taking more and more revolutions to get it started. > When it is turning over there does not appear to be anything going on, but > when it starts its immediately smooth and normal (no coughing and > spluttering). > > This leads me to think that there must be a leak in the fuel system which > is allowing the fuel to drain back out of the injectors. The fact that it > seems to start with all 3 cylinders suggests that the leak is before the > injector pump. > > I cannot see any fuel leaking out at the supply pump or filter, so I'm > wondering if anyone can suggest where I should start looking? Or what might > cause this and not show fuel leaking or spraying out? I'd like to introduce > some method into my troubleshooting! > > Thanks and regards > > Mike Jones > c&C34 Seanachai > Oak Bay, Victoria. > > > > On Sep 25, 2016, at 6:09 AM, Dave S via CnC-List <[email protected]> > wrote: > > Good morning all. Several weeks back there was a discussion surrounding > issues with bulging keel castings in colder climates. Been meaning to > post some photos I took awhile back, here they are: > > > http://cncwindstar.blogspot.ca/ > > > Dave 33-2 Windstar > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > like what we do, please help us pay for our costs by donating. All > Contributions are greatly appreciated! > > ------------------------------ > _______________________________________________ > > This list is supported by the generous donations of our members. If you > like what we do, please help us pay for our costs by donating. All > Contributions are greatly appreciated! > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > like what we do, please help us pay for our costs by donating. All > Contributions are greatly appreciated! > >
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