Originally Posted by DirtyDog
Let's not kid ourselves about the tolerance levels and high performance specs of this motor from 1980's vintage technology. A KLR would probably run for years with a wadded up shop rag jammed in there instead of an oil filter.
First, I agree that the tiny difference will probably make no difference in filtration on this motor. That being said, I was surprised when we pulled the K&N to see such a premium filter with such blatant seal issues. Perhaps it wasn't the right filter or the seals had some issues.