Athena (P400485600350) Top End Gasket Kit Yamaha YFM 350 XR WARRIOR/ER MOTO4/FW BIG BEAR 1987-2002; Yamaha YFM 350 WOLVERINE FXT 4X4 2000-2005; Yamaha YFM 400 BIG BEAR HUNTER 4X4 2011-2012; Yamaha YFM 400 BIG BEAR 2x4/4X4 2004-2012; Yamaha YFM 400 BIG BEAR FW 4X4 2004-2010; Yamaha YFM 400 KODIAK FW 1993-1998 Yamaha YFM 400 BIG BEAR FW 4X4 2004-2010; Yamaha YFM 400 KODIAK FW 1993-1998