Super Sherpa countershaft seal
 

I've been reading that certain models are prone to having their countershaft seals pop out, dumping the engine oil and ruining your day! :o

My DR650 has the same problem so Suzuki eventually came up with this idea (after someone else had started production):

http://www.procycle.us/images/bikepa...tainer-suz.jpg

Has anyone tried making something like this?