Stus-List Overheating due to plugged knuckle
gnylander at atlanticbb.net
Thu May 16 08:46:44 EDT 2013
Someone had a source of Yanmar exhaust risers (other than Mack Boring). My
old black pipe version decided to rust apart yesterday. I have it patched
for a while, but that is going to be a short term solution.
Before I build a new black pipe version, I would like to check out a 'real'
----- Original Message -----
From: "Kim Brown" <kimcbrown at comcast.net>
To: <cnc-list at cnc-list.com>
Sent: Wednesday, May 15, 2013 3:57 PM
Subject: Stus-List Overheating due to plugged knuckle
> Hard to tell as I also had the fresh water pump replaced and assorted
> hoses/belts, along w/ replacing the knuckle, clean and tighten exhaust
> etc. Looks like the parts bill includes $50/each for the new tips and
> another $12/ each for the assorted bits -washers, covers etc associated w/
> injectors. 1.5 hours for shop work- replace tips, clean, paint @ $85/hr.
> plus he came to me, pulled them and reinstalled them- testing compression
> his way through. All in it was $700 labor/travel time and $400 parts. In
> youth that would have been 11 boat bucks but being an experienced boater I
> now know it is barely more than 1 boat buck (US or CDN)..... And it was
> worth it - purrs like a new engine.
> Kim Brown
> Trust Me!!!
> From: "Don Jonsson" <dbjonsson at shaw.ca>
> To: <cnc-list at cnc-list.com>
> Subject: Stus-List Overheating due to plugged knuckle
> Message-ID: <003f01ce5001$9250c7c0$b6f25740$@ca>
> Content-Type: text/plain; charset="us-ascii"
> Hi Kim
> Thanks for this. It is what I'm worried about. The boat has started to
> blow extra smoke on start and I'm thinking unburned diesel. It also blows
> smoke when you idle down for a bit and then rev up again. Once warmed up
> seems fine. I've got a mechanic coming in a couple of weeks (they are
> up here in Victoria).
> What I worry about is the slippery slope on an old engine. It is 1981
> around 1800 hours and raw water cooled. It runs fairly nicely but..... I
> also worry about the cost of a new engine which would not materially
> the value of the boat - as people were saying earlier - boats cheap, parts
> How many boat units did getting the injectors cost if you don't mind
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