Oil leak

Tecumseh, It doesn't look like a O ring or seal on that shaft seeing I couldn't find one. Anyway you look at it, it will have to come apart to repair and at that point you will see what seals that shaft. Something should seal it or the shaft is worn.
 
Does it wiggle by hand? Long shot..If the shaft is exposed to crankcase pressure that could be pushing oil out just like the blast you get with the dip stick out of a running engine???
 
motoman said:
Does it wiggle by hand? Long shot..If the shaft is exposed to crankcase pressure that could be pushing oil out just like the blast you get with the dip stick out of a running engine???
Click to expand...

Yes it wiggles.

I have two engines that do this.
Both the same engine.
 
Check the breather, make sure it rattles when you shake it. May be filled with gunk not allowing the crankcase pressure to equalize.
 
cars, Perhaps a combo of shaft/bore wear and pressure? Don't "really" know, but seems like the shaft should have very little clearance when new. Especially if the shaft is brass riding in aluminum it slowly opens a slight oil clearance?
 
Thank you rivets and motoman.

I will look at the breather tonight.

It is on a gocart so not real Critical.
Just a pain in the butt to stop every 15 mins to add oil.
 
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