Athena (S410485200031) Air Filter Yamaha YFM 600 Grizzly 600cc 1998-2001; Yamaha YFM 660 FWAP 4X4 Grizzly 660cc 2002-2009; Yamaha YFM 660 Grizzly 4X4 FWA / FHR 660cc 2002-2010; Yamaha YFM 660 Grizzly 660cc 2002-2010; Yamaha YFM 660 Grizzly FR / FR-C 660cc 2002-2010