[C320-list] Yammar runs below normal operating temperature

[Utility Email]

My 2007 Yanmar 3YM30 normal operating temperature is 155 degrees.  Sounds like you have a faulty thermostat.

Dave Swanson
S/V Emily Ann
2007 C320 MK II, No. 1107
Mukilteo, WA
On Aug 10, 2011, at 2:30 PM, "Bruce Stumpp" <bstumpp at comcast.net> wrote:

> I have a Yanmar 3GM30F that does not run at normal operating temperature
> which, I believe, is 180 degrees.  It gets close to that on warmup and then
> drops down and hovers well below that at around 90 to 120 degrees all the
> time we are motoring.  I've changed the thermostat with a new Yanmar part
> that is the correct number.  Anyone else experience this?  Any suggestions
> on what to do?
> 
> Bruce Stumpp
> Adventure, #647
> Frog Mortar Creek, MD