An apparatus and method for laterally conducting oil within a motorcycle frame space, the motorcycle frame space being longitudinally bounded by an engine having a protrusion, the space being oppositely laterally bounded by an oil filter manifold having a removably attached oil filter, the apparatus...http://www.google.de/patents/US7156067?utm_source=gb-gplus-sharePatent US7156067 - Apparatus and method for conducting oil within a motorcycle frame space
