Oil in a/c
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Road Captain
Joined: Feb 2012
Posts: 525
Likes: 1
From: Oklahoma
Oil in a/c
I know this has been beaten to death by now but........I have oil coming from my air cleaner. I'm running a SE with a KN filter on an 09 SG. I've read the other posts about the problem and done what was suggested. I've cleaned the filter and re oiled it (careful not to over oil). I've checked the oil level in the motor and it isn't over filled. It is below the full mark. Is there anything else that could be causing this?
Cruiser
Joined: Jan 2012
Posts: 166
Likes: 2
From: Pa
There are many different theories as to what causes the problem. Some bikes have more oil carry-over than others, but what I have found to be the best cure is the new stamped steel breathers(part #17025-03A). I've installed these on four different customer's bikes and it has made a huge improvement on everyone of them. It does require that you remove rocker box covers to change them, but it is worth the trouble.
Advanced
Joined: Jul 2008
Posts: 93
Likes: 3
From: Canada
one obvious thing to check is the breather, or umbrella valves in the rocker boxes.
they are known to fail (like any other part over time of course), and allow oil into the breather ports.
if you're a DIY'r, isnt rocket science to do, simple enough following the steps in manual
they are known to fail (like any other part over time of course), and allow oil into the breather ports.
if you're a DIY'r, isnt rocket science to do, simple enough following the steps in manual
Extreme HDF Member
Joined: Jun 2011
Posts: 10,216
Likes: 224
From: Glendale AZ
I don't know, I run the oil right up to the full line and not it's uncommon for it to be slightly higher than full and I don't have excessive amounts backing up into the AC. With that said, if I had the problem, I would be looking at the umbrella valve as the culprit. Or fashion a collection bottle like I had on my Metric bike..man that bike would **** oil into the bottle geeeezus.
Cruiser
Joined: Dec 2009
Posts: 159
Likes: 2
From: Southern Idaho
If I run mine hard i get some blowback back on my oilbag, usually it's just fine if I'm running it normal, just the nature of the beast I think.
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Road Captain
Joined: Feb 2012
Posts: 525
Likes: 1
From: Oklahoma
It's not that bad. Not spraying down the side of the bike or anything. Just a little below the cleaner. 24000.
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