Steel particles in oil - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 5 (permalink) Old 06-16-2012, 01:36 PM Thread Starter
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Steel particles in oil

I found these steel particles when I changed oil today. They were in the brass filter. The distance between the 2 metal bars on the picture is about 5mm.

Does anybody know what they are (what they were)?

BTW: My clutch sometimes makes a strange noise when the engine is cold. Can they me pieces of the clutch plates?
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post #2 of 5 (permalink) Old 06-16-2012, 02:02 PM
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My first reaction is balance dampers, since it's not actually metal. I'm not really sure though, as they really don't look like the typical failing

The clutch noise is pretty common. There is a fix for it if you'd like. Those do not look like clutch shavings to me, though.

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NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
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Metzeler ME880 [110/90-19, 170/80-15]
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post #3 of 5 (permalink) Old 06-16-2012, 02:05 PM
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Is there any chance this are plastic particles and not steel. If they are plastic, it could mean that the balancer dampners are breaking up. Does the engine viberate?

02 honda sabre 1100
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post #4 of 5 (permalink) Old 06-16-2012, 02:13 PM Thread Starter
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it is steel :-(

The metal bars in the background are magnets holding the steel particles.

The particles are very thin. There were about twice as many as on the picture.

No vibrations, no oil use, no leakage.

Gear changing goes pretty smooth compared to other cardan driven bikes.
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post #5 of 5 (permalink) Old 06-16-2012, 07:57 PM
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My guess as there's a bit of a curve to that one piece and they are in fact steel is they are leftover shavings from a stripped bolt.

Maybe at one point the PO stripped out a drain bolt or something. Most of the metal shavings one finds are aluminum. It's possible a bolt inside backed out and shaved some metal off a gear or crank... But I can't think of one in this motor that do that.

Might be worth getting one of those magnetic sleeves you put around an oil filter and magnetic drain bolt.

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