Oil leak rectifier harness - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 18 (permalink) Old 04-05-2015, 05:29 AM Thread Starter
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Oil leak rectifier harness

I would appreciate any insight - I have a 2008 VN 900 Classic with 8000 miles.
It's been well taken care of.

Over the winter I noticed one drop of oil under the "rectifier area". I did change the oil prior to storing - the drop showed up months after sitting.

No gasket leaks that I can see - filter is tight (no leaks) and drain plug - the same.

The rectifier and that general area is a bit oily from oil changes and from taking the filter off and replacing.

The rectifier harness seemed to have most (still small amount) of oil on the wires.

Any advice? Never had this problem before.

Thank you!
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post #2 of 18 (permalink) Old 04-05-2015, 06:40 PM
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I have had oil on my rectifier plug once and just cleaned it off the plug and the inside of the plug using brake clean. Then put it all back together without any issues.
I can only guess it slowly siphons up the wires from the stator.
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post #3 of 18 (permalink) Old 04-05-2015, 06:45 PM Thread Starter
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Thank you but is that "normal" and scan I do anything to stop it? And why would it happen all of a sudden?
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post #4 of 18 (permalink) Old 04-05-2015, 11:32 PM
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I only noticed it the one time and cleaned it up.
It wasn't enough to be dripping on the ground. Just noticeably wet with oil.
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post #5 of 18 (permalink) Old 04-06-2015, 07:19 AM
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I had same situation on 2011 900lt. the mechanic at dealer explained that oil migrated from gear case. He cleaned it up with brake cleaner and said normal for vulcan. I check and clean up plug every 6mth or so.
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post #6 of 18 (permalink) Old 04-06-2015, 12:43 PM
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Same here. Cleaned it up and haven't seen it since.

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post #7 of 18 (permalink) Old 04-06-2015, 04:48 PM
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Had the same thing on mine.Seems normal for the bike.
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post #8 of 18 (permalink) Old 05-30-2016, 06:04 PM
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I'll post up if my 2016 does the same thing.I had a 2009 when I made the last post.
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post #9 of 18 (permalink) Old 05-30-2016, 09:21 PM
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I've seen it a few times myself...
you may see it just now because it takes the oil a while to travel all the way to the front. the wires are protected w/ that plastic tubing all the way to the rectifier, oil accumulates in the tube and because of heat, wind, time, some oil reaches the rectifier connector...
I guess one could puncture the tubing someplace under the frame and have the few drops of oil use that small hole... or plug some material in the tubing just by the rectifier such as sponge or shop paper towel.
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post #10 of 18 (permalink) Old 05-30-2016, 10:26 PM
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I believe that it's simply residue from oil filter removals at oil changes. There always is some oil which drips from the oil filter and from the region of the filter mounting flange and its plumbing after a filter change, and even after cleaning it up there is a minute amount remaining which eventually coalesces and flows down by gravity and accumulates in a drop or two. Unless there is ongoing dripping from the bike there isn't anything to worry about.

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Last edited by Hot Cruiser; 05-31-2016 at 08:57 PM. Reason: sp.
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