Take a look at the following. The first link is for cars & trucks, but the filters are designed the same for motorcycles. The second link is a writeup on the motorcycles oil filters. Hope it helps.

Ea Oil Filter

Ea Motorcycle oil filter

Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety. Benjamin Franklin, US author, diplomat, inventor, physicist, politician, & printer (1706 - 1790)