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Old 08-30-2013, 07:38 PM   #1
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Onan Generator Question

My Coachmen Leprechaun 319DSF has an Onan 4.0 generator on board.
I had been running under load for an hour each month but missed doing it for three months.

When I fired her up, a trail of white smoke came out for about 10 minutes.
Two weekend later, I started her again and she blew blue smoke out for about 5 minutes (looked and smelled like oil burning),

Any ideas out there?

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Old 06-08-2014, 04:41 PM   #2
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Hate to say this,but the white smoke may very well have been antifreeze (water in the cylinders).This would have been backed up by scoring of the cylinder walls which could cause oil burning(Blue smoke). I know this is an old thread,but I'm searching for some answers to my own questions and came across it.
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