I have always preferred the Fram Xtraguard direct replacement filters, paper mesh is much better in short run times than a metal mesh filter like a K&N as the pores are smaller. Sure, they clog easier, but I only tend to go about 1500-2000 miles between changes. Also, I have ALWAYS used Shell Rotella T oil in my bikes.... Have been using it for nearly 10 years when in the last year or so they finally put a motorcycle application on the label.