Leaking 833 Vent

Pop the floppy lid off the vent, attach a hose off the vent stub to someplace higher, (a short piece might be enuff), maybe put a screen or some-such over the end to prevent bugs/dirt.

Any oil going up the hose will drain back.

Here's the shield that's supposed to be in the tailshaft housing-

http://www.brewersperformance.com/proddetail.asp?prod=V-BAFFLE&cat=255

hope it helps