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Old 07-26-2013, 03:58 PM   #1
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Ford Lehman Blue Smoke

Hi,
We have a FL120 on our sailboat and it starts and runs fine, however when underway between 2200 - 2600 rpm (8kts or so) there is a moderate amount of blue smoke visible. Any suggestions on what might cause this? Thanks.
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Old 07-26-2013, 04:08 PM   #2
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Greetings,
Umm.... Over reving?
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Old 07-26-2013, 04:54 PM   #3
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Turning it a little tight, best around 2k, blue smoke is oil black to much fuel.
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Old 07-26-2013, 04:58 PM   #4
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This happened with a surveyor running a sea trial, it's normally run under 2k.
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Old 07-26-2013, 06:14 PM   #5
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It means that the rings are getting a little worn. But that engine might go another 5,000 hours.

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Old 07-27-2013, 01:26 PM   #6
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It could be valve seals leaking just a bit
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