Check the listing for details. Tusk 1913240021 Swing Arm Bearing Kit. Condition: New. Listed at 65.99 USD. 1999-2001 YAMAHA YZ250. 1999-2001 YAMAHA YZ125. 2001 YAMAHA WR426F. 1999-2000 YAMAHA WR400F. 2001 YAMAHA WR250F.