Yamaha Motorcycles

What is the proper oil filter for a 1981 Yamaha xs400?

Answer

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06/05/2008

K&N part # KN-144 Seems to be a little better flow, and does catch a little more 'crud' Yamaha part # 1L9-13440-91-00

ELEMENT ASS'Y, OIL CLEANER Note that as far as I've been able to tell, all xs400's used the same filter.