Oil in the airbox?

[sbeduckman]

Was taking the air filter out yesterday and noticed quite a bit of clean oil in the airbox. There was enough that the bottom of the air filter was pretty much soaked in it. 2005 DRZ400s with just over 2300 miles. Bike hasn't been upside down...but has been on one wheel. What's going on? I searched the forum, but didn't find much....thanks.

[cheddy]

Yep the air filter is supposed to be soaked in oil.

Every time after you clean the filter you're supposed to reapply oil. Not doing so would be very bad.

It's also pretty bad that you've gone 2,300 miles and never cleaned the air filter!

[npm]

You are talking engine oil and not the tacky air filter oil right? I'm no expert but I think if you have over filled the oil tank it could pump the excess oil into the breather box. Do you know the drill for checking the oil level?

[Dylan921]

Pretty normal as the oil migrates to the bottom of the foam element. Especially in hot climates.

+1 on more frequent cleanings:thumbsup:

[sbeduckman]

Yep the air filter is supposed to be soaked in oil.

Every time after you clean the filter you're supposed to reapply oil. Not doing so would be very bad.

It's also pretty bad that you've gone 2,300 miles and never cleaned the air filter!

I just bought the bike 200 miles ago! Thanks for the hard time though....sheesh ; )

It's engine oil in the box..

[sbeduckman]

You are talking engine oil and not the tacky air filter oil right? I'm no expert but I think if you have over filled the oil tank it could pump the excess oil into the breather box. Do you know the drill for checking the oil level?

Yep, I just changed it a couple weeks ago. Level is where it should be. Thanks. I did put a full 2qts in when I did it as per what I'd read here, I imagine the little bit extra may have ended up in the box.

[CobbMtn03Z]

since the bike is new to you,

does the bike have the oil/sep box still?(black box)

the PO might have done something dumb, like remove it and

just T the lines together....causing excess oil vapor to blow through.

just throwin it out there...

[timbanditos]

+1 on checking hte black box oil box

[mickeydee]

if your on the rear wheel only lots this will happen.especialy if your wheeling for a long stretch

[npm]

Two quarts probably wouldn't be enough over fill to cause oil to be blown out of the crankcase if the seperator box is still installed.

[Erik Marquez]

Two quarts probably wouldn't be enough over fill to cause oil to be blown out of the crankcase if the seperator box is still installed.

? Dead on ?

[sbeduckman]

What's this oil seperator box look like? I'm not with the bike at the moment.

[npm]

It's a black plastic box with hoses going into and out of it that's just behind the cam chain tensioner.

There's a picture of it in this thread.

https://www.thumpertalk.com/forum/showthread.php?t=518351&highlight=oil+seperator