[C320-list] 3YM Coolant Question..

Kurt Budelmann krbmd77 at charter.net
Tue Jul 12 14:16:43 PDT 2011


Jon,

Once a year I drain my coolant by unscrewing the plug at the lower front right of the 3YM-30 engine into a bucket.  It is just less than 1 gallon.  Then I refill from top right of engine right under bulkhead with Dexcool 50/50.   I can find that at Walmart or any auto supply store

Kurt R Budelmann


On Jul 12, 2011, at 4:43 PM, "Jon Vez" <jonvez at comcast.net> wrote:

> I now have a Yanmar 3YM and what I thought would be a simple item to add to
> my on board spares has turned into anything but..The 3YM's require LLC
> coolant, and according to a Yanmar advisory only 3 brands are recommended
> (all hard to find). The problem is the engine was shipped from the factory
> with a red coolant (I have since found out that Mastry Marine who supplies
> Catalina with the engines put the Yanmar branded coolant in) and the
> coolant's specified by the service advisory is orange. I realize the colors
> matter less and less, however to match what's in the engine without
> flushing, I need to either use the Yanmar stuff ($$) or find a matching red
> for topping off. After the season, I will flush and replace with something
> both recommended and relatively easy to find-in the meantime what are other
> 3YM owners using for coolant? Thanks in advance and I apologize for the long
> winded background info.
> 
> 
> 
> Regards,
> 
> 
> 
> Jon Vez
> 



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