Yamaha R6 2006-2018 Black fan assembly , I think this is the RH side if sat on bike looking down ,  

Part number 2C0 12405 10      

This is a “ take off “ from a new bike that was stripped and prepped for racing years ago , dry stored since

Please be sure from the photo and information given that this is the part you require, If in doubt I am happy to help

Any questions welcome

SL = Yamaha R6 Take offs