Think they still do the diesel bike rally,the big knock.
https://m.youtube.com/watch?v=prpK_yMF0Vc
Dennyboo the oil splurge I get is not too serious just can't wear ma best pants on rides lol
It only does it on a very very hard ride and the discharge is a very light occasional mist,that you only notice when parked up. It doesn't affect performance or deplete oil in my tank.
There are apparently a few modifications you can perform,or it is something you get used to and just live with,as part of riding a Sporty