M m1cR4 Oct 21, 2012 #1 Apologies if this has been done to death. Which oil is best for K11? I've been told 5/30 others have said 10/40, which one? Also is it part or fully synthetic and is it true once you put fully synthetic in you cant go back to part? Thanks!
Apologies if this has been done to death. Which oil is best for K11? I've been told 5/30 others have said 10/40, which one? Also is it part or fully synthetic and is it true once you put fully synthetic in you cant go back to part? Thanks!
