well thats new to me....

but the only reason i can come up with is to
brack any vacume that could stop the oil draining
maybe if there is any oil in the breathers it could
stop air venting back into the motor stoping complete
draining of the oil.....


really no idea...



.

__________________
Harley Davidson..
The easyest way to turn gasoline into noise with out the side efect of horse power...