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Old 07-01-2009, 04:03 AM
stmariesman stmariesman is offline
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Join Date: Jun 2009
Boat: 2003 ProStar 209
Location: Northwest
Posts: 19
2003 ProStar 209 Operating Temperature?

I have a 2003 ProStar 209 with a closed cooling system and the LQ9 engine. It idles at about 180 degrees (F) but when I open it up and pull a skier it drops back down to 160-165 degrees (F). I called Indmar and they said this is normal and not to freak out because closed cooled engines run hotter at idle. I also took it to MasterCraft and they said it was fine. Has anyone else experienced this?
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Old 07-01-2009, 10:03 AM
Age Fighter Age Fighter is offline
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Join Date: Jul 2008
Boat: 2003 MC X-9 350 MCX
Location: southeast
Posts: 673
I have an Indmar engine package, and it stays right on the 160 mark under all conditions.
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