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Old 11-20-2006 | 04:20 PM
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From: Vrouwenpolder, The Netherlands
Default metal dust in oil

Today I checked oil pressure with an analog gauge and when I removed the gauge there was a very very fine metal dust in the oil when I lighted it with my flashlight.
So I drained a bit out of the sump and putted it in a bottle.
With the light of my flashligt in the bottle I saw very fine metal dust in the oil. No flakes and much much smaller then in metalic paint.
Engine has 57 hours on it from new and maybe one or two oil changes sucked thru the dipstick.
Could this be dust from the breaking in? and because the didn't drain the oil there is still a bit on the bottom of the sump.
They are much to small to get on a picture but when you shine a light on it and shake a bit there is some reflection.
It is a 6.2 from 2001

Richard
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Old 11-20-2006 | 04:26 PM
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Default Re: metal dust in oil

God, just went thru this... read this... it sucks so Good luck.
http://www.offshoreonly.com/forums/s...=copper+silver
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Old 11-21-2006 | 02:59 PM
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Default Re: metal dust in oil

Today I opened the filter:
No dust collections/heaps in the filter or on the base.
No metal parts on the filterpaper, just very very fine refelections.
Not like the filter showed in the linked post
The remaining oil in the filter showed a very fine reflection, more fine than in metalic paint.
Could this be from the breaking in? What about cam lube? Or rings that are setting? Or should that be done after 57 hours?
I am still thinking about removing the sump and clean it. Had a few particals when I drained it hot.
Can it do any harm if I remove the main bearing caps and check the bearings? Can I reuse the main bearing bolts? Oil pressure is about 330 kpa when idling for 30 minutes, goes to 380 whit a bit of throttle.
This engine is complete unknown for me, the previous owner didn't sell it because it had any trouble, but because a car drove in the transom.
And I still have to figure out about the shift interrupt, DDT shows changing from off/on but o effect.

Richard
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Old 11-21-2006 | 08:46 PM
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Default Re: metal dust in oil

Curious is it a 22 Donzi? Was wondering if it was Carls boat.
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Old 11-22-2006 | 01:56 PM
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Default Re: metal dust in oil

Hello MOP,
Wasn't a Donzi, I live in the Netherlands, small change it was Carls boat.
Today I checked a few fourstroke outboard engines when servicing them and they had also metalic dust in the oil.
So maybe it isn't that worse, I hope.

Richard
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