This is a new straight rear axle for a 2000-2006 Yamaha Big Bear 400 2x4 / 4x4

• Engineered to meet or exceed OE specifications
• outer spline count 27, Middle spline count 39
• Replaces Yamaha OE # 5FU-F5381-01-00, 5FU-F5381-00-00.

This product is designed to fit the following units:

2006 Yamaha Big Bear 400 YFM400F 4x4^^2005 Yamaha Big Bear 400 YFM400F 4x4^^2004 Yamaha Big Bear 400 YFM400^^2004 Yamaha Big Bear 400 YFM400F 4x4^^2003 Yamaha Big Bear 400 YFM400FW 4x4^^2003 Yamaha Big Bear 400 YFM400N^^2002 Yamaha Big Bear 400 YFM400^^2002 Yamaha Big Bear 400 YFM400F 4x4^^2002 Yamaha Big Bear 400 YFM400FH 4x4 Hunter Edition^^2002 Yamaha Big Bear 400 YFM400H Hunter Edition^^2001 Yamaha Big Bear 400 YFM400^^2001 Yamaha Big Bear 400 YFM400F 4x4^^2001 Yamaha Big Bear 400 YFM400FH 4x4 Hunter Edition^^2001 Yamaha Big Bear 400 YFM400H Hunter Edition^^2000 Yamaha Big Bear 400 YFM400^^2000 Yamaha Big Bear 400 YFM400F 4x4^^2000 Yamaha Big Bear 400 YFM400FH 4x4 Hunter Edition^^