ADVrider

ADVrider (http://www.advrider.com/forums/index.php)
-   Crazy-Awesome almost Dakar racers (950/990cc) (http://www.advrider.com/forums/forumdisplay.php?f=34)
-   -   Oil Traces In Airbox?? (http://www.advrider.com/forums/showthread.php?t=836593)

DeeGee 10-25-2012 10:01 AM

Oil Traces In Airbox??
 
I'm just servicing the bike after our latest adventure and I've just checked to see how the air filter is as I have Pyndon's per-filter fitted. There's a fair bit of oil on the front intake. Should I be worried at all and any suggestions as to why it's done it??
A few pics below.

Thanks

http://i164.photobucket.com/albums/u...F1C540B849.jpg

http://i164.photobucket.com/albums/u...F1DE3872BB.jpg

http://i164.photobucket.com/albums/u...F1D1ABCB09.jpg
http://i164.photobucket.com/albums/u...F1CB06C59A.jpg

AdvGa 10-25-2012 10:11 AM

You could try this:
Bypass the Crankcase Oll Breather Hose to AirBox with a Filter and Cap the AirBox Inlet.

http://www.advrider.com/forums/showp...23&postcount=6





<HR style="BACKGROUND-COLOR: #575757; COLOR: #575757" SIZE=1><!-- / icon and title --><!-- message -->
http://farm2.static.flickr.com/1075/...ce54a33828.jpg

Also, you may have a Bad Crankcase Seal:

http://ktmtalk.com/index.php?showtopic=408017

Excess Blowby from crankcase breather, onto air filter

In my case I fixed the excess oil blowby from the crankcase by replacing "shaft seal ring 12x20x5B " part # 0760122050
avilable from munns racing online
it is located in the alternator cover and seals the Crankshaft Balancer .
if you do it you may want to order a new alternator cover gasket also

evidently the crankcase pressure is metered and vents through the crank balancer shaft .
If the seal is shot it blows major oil for some reason
mine was rock hard and shrunken . It was blowing oil everywhere , especially when doing over 90 mph sustained

fish picture courtesy of Munns " shop online" feature ;


<!-- / message -->

DeeGee 10-25-2012 10:56 AM

I've got a pre filter fitted and looking at the air filter it's done a crackin' job as it looks new apart from the oil trace. Can't log onto the link for some reason :scratch

VTwins4me 10-25-2012 11:06 AM

My money is on prolonged high speed running - ie 200 miles @ 90mph?

Clean it up & look again in a couple of weeks.

KEELAYMONSTER 10-26-2012 08:39 AM

My 950 did the same. Found mine was due to a balancer shaft seal failure. The case breather port is right above this seal. Its very easy to check and replace. Just make sure you have a spare ignition cover gasket.

TheMuffinMan 10-26-2012 08:49 AM

Quote:

Originally Posted by KEELAYMONSTER (Post 19904445)
My 950 did the same. Found mine was due to a balancer shaft seal failure. The case breather port is right above this seal. Its very easy to check and replace. Just make sure you have a spare ignition cover gasket.

This, it's easy to change. Gasket is $25, and the seal is $10 or something.

scorpion 10-26-2012 10:56 AM

Quote:

Originally Posted by TheMuffinMan (Post 19904528)
This, it's easy to change. Gasket is $25, and the seal is $10 or something.

I just ordered the parts for my fix. I'll try and take some photos when I get in there.
May install the K&N breather filter if I can get hold of one.
There was an K&N part number floating around somewhere. . .

Spark01 10-27-2012 06:01 AM

Quote:

Originally Posted by scorpion (Post 19905361)
There was an K&N part number floating around somewhere. . .

k&n 62-1110 this one i used


Times are GMT -7.   It's 03:54 PM.

Powered by vBulletin® Version 3.8.5
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Copyright ADVrider 2011-2014